diff options
311 files changed, 4047 insertions, 1885 deletions
@@ -88,6 +88,7 @@ Kay Sievers <kay.sievers@vrfy.org> Kenneth W Chen <kenneth.w.chen@intel.com> Konstantin Khlebnikov <koct9i@gmail.com> <k.khlebnikov@samsung.com> Koushik <raghavendra.koushik@neterion.com> +Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski@samsung.com> Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski.k@gmail.com> Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Leonid I Ananiev <leonid.i.ananiev@intel.com> diff --git a/Documentation/conf.py b/Documentation/conf.py index 96b7aa66c89c..106ae9c740b9 100644 --- a/Documentation/conf.py +++ b/Documentation/conf.py @@ -131,7 +131,7 @@ pygments_style = 'sphinx' todo_include_todos = False primary_domain = 'C' -highlight_language = 'C' +highlight_language = 'guess' # -- Options for HTML output ---------------------------------------------- diff --git a/Documentation/hwmon/ftsteutates b/Documentation/hwmon/ftsteutates index 2a1bf69c6a26..8c10a916de20 100644 --- a/Documentation/hwmon/ftsteutates +++ b/Documentation/hwmon/ftsteutates @@ -19,5 +19,5 @@ enhancements. It can monitor up to 4 voltages, 16 temperatures and implemented in this driver. Specification of the chip can be found here: -ftp:///pub/Mainboard-OEM-Sales/Services/Software&Tools/Linux_SystemMonitoring&Watchdog&GPIO/BMC-Teutates_Specification_V1.21.pdf -ftp:///pub/Mainboard-OEM-Sales/Services/Software&Tools/Linux_SystemMonitoring&Watchdog&GPIO/Fujitsu_mainboards-1-Sensors_HowTo-en-US.pdf +ftp://ftp.ts.fujitsu.com/pub/Mainboard-OEM-Sales/Services/Software&Tools/Linux_SystemMonitoring&Watchdog&GPIO/BMC-Teutates_Specification_V1.21.pdf +ftp://ftp.ts.fujitsu.com/pub/Mainboard-OEM-Sales/Services/Software&Tools/Linux_SystemMonitoring&Watchdog&GPIO/Fujitsu_mainboards-1-Sensors_HowTo-en-US.pdf diff --git a/Documentation/kernel-documentation.rst b/Documentation/kernel-documentation.rst index c4eb5049da39..391decc66a18 100644 --- a/Documentation/kernel-documentation.rst +++ b/Documentation/kernel-documentation.rst @@ -366,8 +366,6 @@ Domain`_ references. Cross-referencing from reStructuredText ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -.. highlight:: none - To cross-reference the functions and types defined in the kernel-doc comments from reStructuredText documents, please use the `Sphinx C Domain`_ references. For example:: @@ -390,8 +388,6 @@ For further details, please refer to the `Sphinx C Domain`_ documentation. Function documentation ---------------------- -.. highlight:: c - The general format of a function and function-like macro kernel-doc comment is:: /** @@ -572,8 +568,6 @@ DocBook XML [DEPRECATED] Converting DocBook to Sphinx ---------------------------- -.. highlight:: none - Over time, we expect all of the documents under ``Documentation/DocBook`` to be converted to Sphinx and reStructuredText. For most DocBook XML documents, a good enough solution is to use the simple ``Documentation/sphinx/tmplcvt`` script, diff --git a/Documentation/networking/rxrpc.txt b/Documentation/networking/rxrpc.txt index 16a924c486bf..70c926ae212d 100644 --- a/Documentation/networking/rxrpc.txt +++ b/Documentation/networking/rxrpc.txt @@ -790,13 +790,12 @@ The kernel interface functions are as follows: Data messages can have their contents extracted with the usual bunch of socket buffer manipulation functions. A data message can be determined to be the last one in a sequence with rxrpc_kernel_is_data_last(). When a - data message has been used up, rxrpc_kernel_data_delivered() should be - called on it.. + data message has been used up, rxrpc_kernel_data_consumed() should be + called on it. - Non-data messages should be handled to rxrpc_kernel_free_skb() to dispose - of. It is possible to get extra refs on all types of message for later - freeing, but this may pin the state of a call until the message is finally - freed. + Messages should be handled to rxrpc_kernel_free_skb() to dispose of. It + is possible to get extra refs on all types of message for later freeing, + but this may pin the state of a call until the message is finally freed. (*) Accept an incoming call. @@ -821,12 +820,14 @@ The kernel interface functions are as follows: Other errors may be returned if the call had been aborted (-ECONNABORTED) or had timed out (-ETIME). - (*) Record the delivery of a data message and free it. + (*) Record the delivery of a data message. - void rxrpc_kernel_data_delivered(struct sk_buff *skb); + void rxrpc_kernel_data_consumed(struct rxrpc_call *call, + struct sk_buff *skb); - This is used to record a data message as having been delivered and to - update the ACK state for the call. The socket buffer will be freed. + This is used to record a data message as having been consumed and to + update the ACK state for the call. The message must still be passed to + rxrpc_kernel_free_skb() for disposal by the caller. (*) Free a message. diff --git a/Documentation/power/basic-pm-debugging.txt b/Documentation/power/basic-pm-debugging.txt index b96098ccfe69..708f87f78a75 100644 --- a/Documentation/power/basic-pm-debugging.txt +++ b/Documentation/power/basic-pm-debugging.txt @@ -164,7 +164,32 @@ load n/2 modules more and try again. Again, if you find the offending module(s), it(they) must be unloaded every time before hibernation, and please report the problem with it(them). -c) Advanced debugging +c) Using the "test_resume" hibernation option + +/sys/power/disk generally tells the kernel what to do after creating a +hibernation image. One of the available options is "test_resume" which +causes the just created image to be used for immediate restoration. Namely, +after doing: + +# echo test_resume > /sys/power/disk +# echo disk > /sys/power/state + +a hibernation image will be created and a resume from it will be triggered +immediately without involving the platform firmware in any way. + +That test can be used to check if failures to resume from hibernation are +related to bad interactions with the platform firmware. That is, if the above +works every time, but resume from actual hibernation does not work or is +unreliable, the platform firmware may be responsible for the failures. + +On architectures and platforms that support using different kernels to restore +hibernation images (that is, the kernel used to read the image from storage and +load it into memory is different from the one included in the image) or support +kernel address space randomization, it also can be used to check if failures +to resume may be related to the differences between the restore and image +kernels. + +d) Advanced debugging In case that hibernation does not work on your system even in the minimal configuration and compiling more drivers as modules is not practical or some diff --git a/Documentation/power/interface.txt b/Documentation/power/interface.txt index f1f0f59a7c47..974916ff6608 100644 --- a/Documentation/power/interface.txt +++ b/Documentation/power/interface.txt @@ -1,75 +1,76 @@ -Power Management Interface - - -The power management subsystem provides a unified sysfs interface to -userspace, regardless of what architecture or platform one is -running. The interface exists in /sys/power/ directory (assuming sysfs -is mounted at /sys). - -/sys/power/state controls system power state. Reading from this file -returns what states are supported, which is hard-coded to 'freeze', -'standby' (Power-On Suspend), 'mem' (Suspend-to-RAM), and 'disk' -(Suspend-to-Disk). - -Writing to this file one of those strings causes the system to -transition into that state. Please see the file -Documentation/power/states.txt for a description of each of those -states. - - -/sys/power/disk controls the operating mode of the suspend-to-disk -mechanism. Suspend-to-disk can be handled in several ways. We have a -few options for putting the system to sleep - using the platform driver -(e.g. ACPI or other suspend_ops), powering off the system or rebooting the -system (for testing). - -Additionally, /sys/power/disk can be used to turn on one of the two testing -modes of the suspend-to-disk mechanism: 'testproc' or 'test'. If the -suspend-to-disk mechanism is in the 'testproc' mode, writing 'disk' to -/sys/power/state will cause the kernel to disable nonboot CPUs and freeze -tasks, wait for 5 seconds, unfreeze tasks and enable nonboot CPUs. If it is -in the 'test' mode, writing 'disk' to /sys/power/state will cause the kernel -to disable nonboot CPUs and freeze tasks, shrink memory, suspend devices, wait -for 5 seconds, resume devices, unfreeze tasks and enable nonboot CPUs. Then, -we are able to look in the log messages and work out, for example, which code -is being slow and which device drivers are misbehaving. - -Reading from this file will display all supported modes and the currently -selected one in brackets, for example - - [shutdown] reboot test testproc - -Writing to this file will accept one of - - 'platform' (only if the platform supports it) - 'shutdown' - 'reboot' - 'testproc' - 'test' - -/sys/power/image_size controls the size of the image created by -the suspend-to-disk mechanism. It can be written a string -representing a non-negative integer that will be used as an upper -limit of the image size, in bytes. The suspend-to-disk mechanism will -do its best to ensure the image size will not exceed that number. However, -if this turns out to be impossible, it will try to suspend anyway using the -smallest image possible. In particular, if "0" is written to this file, the -suspend image will be as small as possible. - -Reading from this file will display the current image size limit, which -is set to 2/5 of available RAM by default. - -/sys/power/pm_trace controls the code which saves the last PM event point in -the RTC across reboots, so that you can debug a machine that just hangs -during suspend (or more commonly, during resume). Namely, the RTC is only -used to save the last PM event point if this file contains '1'. Initially it -contains '0' which may be changed to '1' by writing a string representing a -nonzero integer into it. - -To use this debugging feature you should attempt to suspend the machine, then -reboot it and run - - dmesg -s 1000000 | grep 'hash matches' - -CAUTION: Using it will cause your machine's real-time (CMOS) clock to be -set to a random invalid time after a resume. +Power Management Interface for System Sleep + +Copyright (c) 2016 Intel Corp., Rafael J. Wysocki <rafael.j.wysocki@intel.com> + +The power management subsystem provides userspace with a unified sysfs interface +for system sleep regardless of the underlying system architecture or platform. +The interface is located in the /sys/power/ directory (assuming that sysfs is +mounted at /sys). + +/sys/power/state is the system sleep state control file. + +Reading from it returns a list of supported sleep states, encoded as: + +'freeze' (Suspend-to-Idle) +'standby' (Power-On Suspend) +'mem' (Suspend-to-RAM) +'disk' (Suspend-to-Disk) + +Suspend-to-Idle is always supported. Suspend-to-Disk is always supported +too as long the kernel has been configured to support hibernation at all +(ie. CONFIG_HIBERNATION is set in the kernel configuration file). Support +for Suspend-to-RAM and Power-On Suspend depends on the capabilities of the +platform. + +If one of the strings listed in /sys/power/state is written to it, the system +will attempt to transition into the corresponding sleep state. Refer to +Documentation/power/states.txt for a description of each of those states. + +/sys/power/disk controls the operating mode of hibernation (Suspend-to-Disk). +Specifically, it tells the kernel what to do after creating a hibernation image. + +Reading from it returns a list of supported options encoded as: + +'platform' (put the system into sleep using a platform-provided method) +'shutdown' (shut the system down) +'reboot' (reboot the system) +'suspend' (trigger a Suspend-to-RAM transition) +'test_resume' (resume-after-hibernation test mode) + +The currently selected option is printed in square brackets. + +The 'platform' option is only available if the platform provides a special +mechanism to put the system to sleep after creating a hibernation image (ACPI +does that, for example). The 'suspend' option is available if Suspend-to-RAM +is supported. Refer to Documentation/power/basic_pm_debugging.txt for the +description of the 'test_resume' option. + +To select an option, write the string representing it to /sys/power/disk. + +/sys/power/image_size controls the size of hibernation images. + +It can be written a string representing a non-negative integer that will be +used as a best-effort upper limit of the image size, in bytes. The hibernation +core will do its best to ensure that the image size will not exceed that number. +However, if that turns out to be impossible to achieve, a hibernation image will +still be created and its size will be as small as possible. In particular, +writing '0' to this file will enforce hibernation images to be as small as +possible. + +Reading from this file returns the current image size limit, which is set to +around 2/5 of available RAM by default. + +/sys/power/pm_trace controls the PM trace mechanism saving the last suspend +or resume event point in the RTC across reboots. + +It helps to debug hard lockups or reboots due to device driver failures that +occur during system suspend or resume (which is more common) more effectively. + +If /sys/power/pm_trace contains '1', the fingerprint of each suspend/resume +event point in turn will be stored in the RTC memory (overwriting the actual +RTC information), so it will survive a system crash if one occurs right after +storing it and it can be used later to identify the driver that caused the crash +to happen (see Documentation/power/s2ram.txt for more information). + +Initially it contains '0' which may be changed to '1' by writing a string +representing a nonzero integer into it. diff --git a/Documentation/sphinx-static/theme_overrides.css b/Documentation/sphinx-static/theme_overrides.css index 3a2ac4bcfd78..e88461c4c1e6 100644 --- a/Documentation/sphinx-static/theme_overrides.css +++ b/Documentation/sphinx-static/theme_overrides.css @@ -42,11 +42,12 @@ caption a.headerlink { opacity: 0; } caption a.headerlink:hover { opacity: 1; } - /* inline literal: drop the borderbox and red color */ + /* inline literal: drop the borderbox, padding and red color */ code, .rst-content tt, .rst-content code { color: inherit; border: none; + padding: unset; background: inherit; font-size: 85%; } diff --git a/MAINTAINERS b/MAINTAINERS index a306795a7450..ecf066a399e3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1614,7 +1614,7 @@ N: rockchip ARM/SAMSUNG EXYNOS ARM ARCHITECTURES M: Kukjin Kim <kgene@kernel.org> -M: Krzysztof Kozlowski <k.kozlowski@samsung.com> +M: Krzysztof Kozlowski <krzk@kernel.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers) S: Maintained @@ -1822,6 +1822,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git ARM/UNIPHIER ARCHITECTURE M: Masahiro Yamada <yamada.masahiro@socionext.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +T: git git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier.git S: Maintained F: arch/arm/boot/dts/uniphier* F: arch/arm/include/asm/hardware/cache-uniphier.h @@ -4525,6 +4526,12 @@ L: linux-edac@vger.kernel.org S: Maintained F: drivers/edac/sb_edac.c +EDAC-SKYLAKE +M: Tony Luck <tony.luck@intel.com> +L: linux-edac@vger.kernel.org +S: Maintained +F: drivers/edac/skx_edac.c + EDAC-XGENE APPLIED MICRO (APM) X-GENE SOC EDAC M: Loc Ho <lho@apm.com> @@ -7449,7 +7456,8 @@ F: Documentation/devicetree/bindings/sound/max9860.txt F: sound/soc/codecs/max9860.* MAXIM MUIC CHARGER DRIVERS FOR EXYNOS BASED BOARDS -M: Krzysztof Kozlowski <k.kozlowski@samsung.com> +M: Krzysztof Kozlowski <krzk@kernel.org> +M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> L: linux-pm@vger.kernel.org S: Supported F: drivers/power/max14577_charger.c @@ -7465,7 +7473,8 @@ F: include/dt-bindings/*/*max77802.h MAXIM PMIC AND MUIC DRIVERS FOR EXYNOS BASED BOARDS M: Chanwoo Choi <cw00.choi@samsung.com> -M: Krzysztof Kozlowski <k.kozlowski@samsung.com> +M: Krzysztof Kozlowski <krzk@kernel.org> +M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> L: linux-kernel@vger.kernel.org S: Supported F: drivers/*/max14577*.c @@ -9231,7 +9240,7 @@ F: drivers/pinctrl/sh-pfc/ PIN CONTROLLER - SAMSUNG M: Tomasz Figa <tomasz.figa@gmail.com> -M: Krzysztof Kozlowski <k.kozlowski@samsung.com> +M: Krzysztof Kozlowski <krzk@kernel.org> M: Sylwester Nawrocki <s.nawrocki@samsung.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers) @@ -10164,7 +10173,7 @@ S: Maintained F: drivers/platform/x86/samsung-laptop.c SAMSUNG AUDIO (ASoC) DRIVERS -M: Krzysztof Kozlowski <k.kozlowski@samsung.com> +M: Krzysztof Kozlowski <krzk@kernel.org> M: Sangbeom Kim <sbkim73@samsung.com> M: Sylwester Nawrocki <s.nawrocki@samsung.com> L: alsa-devel@alsa-project.org (moderated for non-subscribers) @@ -10179,7 +10188,8 @@ F: drivers/video/fbdev/s3c-fb.c SAMSUNG MULTIFUNCTION PMIC DEVICE DRIVERS M: Sangbeom Kim <sbkim73@samsung.com> -M: Krzysztof Kozlowski <k.kozlowski@samsung.com> +M: Krzysztof Kozlowski <krzk@kernel.org> +M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> L: linux-kernel@vger.kernel.org L: linux-samsung-soc@vger.kernel.org S: Supported @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 8 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = -rc3 NAME = Psychotic Stoned Sheep # *DOCUMENTATION* diff --git a/arch/arm/boot/dts/am335x-baltos.dtsi b/arch/arm/boot/dts/am335x-baltos.dtsi index c8609d8d2c55..b689172632ef 100644 --- a/arch/arm/boot/dts/am335x-baltos.dtsi +++ b/arch/arm/boot/dts/am335x-baltos.dtsi @@ -226,7 +226,7 @@ #address-cells = <1>; #size-cells = <1>; - elm_id = <&elm>; + ti,elm-id = <&elm>; }; }; diff --git a/arch/arm/boot/dts/am335x-igep0033.dtsi b/arch/arm/boot/dts/am335x-igep0033.dtsi index df63484ef9b3..e7d9ca1305fa 100644 --- a/arch/arm/boot/dts/am335x-igep0033.dtsi +++ b/arch/arm/boot/dts/am335x-igep0033.dtsi @@ -161,7 +161,7 @@ #address-cells = <1>; #size-cells = <1>; - elm_id = <&elm>; + ti,elm-id = <&elm>; /* MTD partition table */ partition@0 { diff --git a/arch/arm/boot/dts/am335x-phycore-som.dtsi b/arch/arm/boot/dts/am335x-phycore-som.dtsi index 86f773165d5c..1263c9d4cba3 100644 --- a/arch/arm/boot/dts/am335x-phycore-som.dtsi +++ b/arch/arm/boot/dts/am335x-phycore-som.dtsi @@ -197,7 +197,7 @@ gpmc,wr-access-ns = <30>; gpmc,wr-data-mux-bus-ns = <0>; - elm_id = <&elm>; + ti,elm-id = <&elm>; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/armada-388-clearfog.dts b/arch/arm/boot/dts/armada-388-clearfog.dts index 2e0556af6e5e..d3e6bd805006 100644 --- a/arch/arm/boot/dts/armada-388-clearfog.dts +++ b/arch/arm/boot/dts/armada-388-clearfog.dts @@ -390,12 +390,12 @@ port@0 { reg = <0>; - label = "lan1"; + label = "lan5"; }; port@1 { reg = <1>; - label = "lan2"; + label = "lan4"; }; port@2 { @@ -405,12 +405,12 @@ port@3 { reg = <3>; - label = "lan4"; + label = "lan2"; }; port@4 { reg = <4>; - label = "lan5"; + label = "lan1"; }; port@5 { diff --git a/arch/arm/boot/dts/exynos5410-odroidxu.dts b/arch/arm/boot/dts/exynos5410-odroidxu.dts index d9499310a301..f6d135245a4b 100644 --- a/arch/arm/boot/dts/exynos5410-odroidxu.dts +++ b/arch/arm/boot/dts/exynos5410-odroidxu.dts @@ -447,14 +447,11 @@ samsung,dw-mshc-ciu-div = <3>; samsung,dw-mshc-sdr-timing = <0 4>; samsung,dw-mshc-ddr-timing = <0 2>; - samsung,dw-mshc-hs400-timing = <0 2>; - samsung,read-strobe-delay = <90>; pinctrl-names = "default"; pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8 &sd0_cd>; bus-width = <8>; cap-mmc-highspeed; mmc-hs200-1_8v; - mmc-hs400-1_8v; vmmc-supply = <&ldo20_reg>; vqmmc-supply = <&ldo11_reg>; }; diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts index 96ea936eeeb0..240a2864d044 100644 --- a/arch/arm/boot/dts/imx6sx-sabreauto.dts +++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts @@ -64,7 +64,7 @@ cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>; no-1-8-v; keep-power-in-suspend; - enable-sdio-wakup; + wakeup-source; status = "okay"; }; diff --git a/arch/arm/boot/dts/kirkwood-ib62x0.dts b/arch/arm/boot/dts/kirkwood-ib62x0.dts index ef84d8699a76..5bf62897014c 100644 --- a/arch/arm/boot/dts/kirkwood-ib62x0.dts +++ b/arch/arm/boot/dts/kirkwood-ib62x0.dts @@ -113,7 +113,7 @@ partition@e0000 { label = "u-boot environment"; - reg = <0xe0000 0x100000>; + reg = <0xe0000 0x20000>; }; partition@100000 { diff --git a/arch/arm/boot/dts/kirkwood-openrd.dtsi b/arch/arm/boot/dts/kirkwood-openrd.dtsi index e4ecab112601..7175511a92da 100644 --- a/arch/arm/boot/dts/kirkwood-openrd.dtsi +++ b/arch/arm/boot/dts/kirkwood-openrd.dtsi @@ -116,6 +116,10 @@ }; }; +&pciec { + status = "okay"; +}; + &pcie0 { status = "okay"; }; diff --git a/arch/arm/boot/dts/logicpd-som-lv.dtsi b/arch/arm/boot/dts/logicpd-som-lv.dtsi index 365f39ff58bb..0ff1c2de95bf 100644 --- a/arch/arm/boot/dts/logicpd-som-lv.dtsi +++ b/arch/arm/boot/dts/logicpd-som-lv.dtsi @@ -35,10 +35,15 @@ ranges = <0 0 0x00000000 0x1000000>; /* CS0: 16MB for NAND */ nand@0,0 { - linux,mtd-name = "micron,mt29f4g16abbda3w"; + compatible = "ti,omap2-nand"; reg = <0 0 4>; /* CS0, offset 0, IO size 4 */ + interrupt-parent = <&gpmc>; + interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */ + <1 IRQ_TYPE_NONE>; /* termcount */ + linux,mtd-name = "micron,mt29f4g16abbda3w"; nand-bus-width = <16>; ti,nand-ecc-opt = "bch8"; + rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */ gpmc,sync-clk-ps = <0>; gpmc,cs-on-ns = <0>; gpmc,cs-rd-off-ns = <44>; @@ -54,10 +59,6 @@ gpmc,wr-access-ns = <40>; gpmc,wr-data-mux-bus-ns = <0>; gpmc,device-width = <2>; - - gpmc,page-burst-access-ns = <5>; - gpmc,cycle2cycle-delay-ns = <50>; - #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi index 5e9a13c0eaf7..1c2c74655416 100644 --- a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi +++ b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi @@ -46,6 +46,7 @@ linux,mtd-name = "micron,mt29f4g16abbda3w"; nand-bus-width = <16>; ti,nand-ecc-opt = "bch8"; + rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */ gpmc,sync-clk-ps = <0>; gpmc,cs-on-ns = <0>; gpmc,cs-rd-off-ns = <44>; diff --git a/arch/arm/boot/dts/omap3-overo-base.dtsi b/arch/arm/boot/dts/omap3-overo-base.dtsi index de256fa8da48..3e946cac55f3 100644 --- a/arch/arm/boot/dts/omap3-overo-base.dtsi +++ b/arch/arm/boot/dts/omap3-overo-base.dtsi @@ -223,7 +223,9 @@ }; &gpmc { - ranges = <0 0 0x00000000 0x20000000>; + ranges = <0 0 0x30000000 0x1000000>, /* CS0 */ + <4 0 0x2b000000 0x1000000>, /* CS4 */ + <5 0 0x2c000000 0x1000000>; /* CS5 */ nand@0,0 { compatible = "ti,omap2-nand"; diff --git a/arch/arm/boot/dts/omap3-overo-chestnut43-common.dtsi b/arch/arm/boot/dts/omap3-overo-chestnut43-common.dtsi index 7df27926ead2..4f4c6efbd518 100644 --- a/arch/arm/boot/dts/omap3-overo-chestnut43-common.dtsi +++ b/arch/arm/boot/dts/omap3-overo-chestnut43-common.dtsi @@ -55,8 +55,6 @@ #include "omap-gpmc-smsc9221.dtsi" &gpmc { - ranges = <5 0 0x2c000000 0x1000000>; /* CS5 */ - ethernet@gpmc { reg = <5 0 0xff>; interrupt-parent = <&gpio6>; diff --git a/arch/arm/boot/dts/omap3-overo-tobi-common.dtsi b/arch/arm/boot/dts/omap3-overo-tobi-common.dtsi index 9e24b6a1d07b..1b304e2f1bd2 100644 --- a/arch/arm/boot/dts/omap3-overo-tobi-common.dtsi +++ b/arch/arm/boot/dts/omap3-overo-tobi-common.dtsi @@ -27,8 +27,6 @@ #include "omap-gpmc-smsc9221.dtsi" &gpmc { - ranges = <5 0 0x2c000000 0x1000000>; /* CS5 */ - ethernet@gpmc { reg = <5 0 0xff>; interrupt-parent = <&gpio6>; diff --git a/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi b/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi index 334109e14613..82e98ee3023a 100644 --- a/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi +++ b/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi @@ -15,9 +15,6 @@ #include "omap-gpmc-smsc9221.dtsi" &gpmc { - ranges = <4 0 0x2b000000 0x1000000>, /* CS4 */ - <5 0 0x2c000000 0x1000000>; /* CS5 */ - smsc1: ethernet@gpmc { reg = <5 0 0xff>; interrupt-parent = <&gpio6>; diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts index 1dfc492cc004..1444fbd543e7 100644 --- a/arch/arm/boot/dts/tegra114-dalmore.dts +++ b/arch/arm/boot/dts/tegra114-dalmore.dts @@ -897,7 +897,7 @@ palmas: tps65913@58 { compatible = "ti,palmas"; reg = <0x58>; - interrupts = <0 86 IRQ_TYPE_LEVEL_LOW>; + interrupts = <0 86 IRQ_TYPE_LEVEL_HIGH>; #interrupt-cells = <2>; interrupt-controller; diff --git a/arch/arm/boot/dts/tegra114-roth.dts b/arch/arm/boot/dts/tegra114-roth.dts index 70cf40996c3f..966a7fc044af 100644 --- a/arch/arm/boot/dts/tegra114-roth.dts +++ b/arch/arm/boot/dts/tegra114-roth.dts @@ -802,7 +802,7 @@ palmas: pmic@58 { compatible = "ti,palmas"; reg = <0x58>; - interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_LOW>; + interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>; #interrupt-cells = <2>; interrupt-controller; diff --git a/arch/arm/boot/dts/tegra114-tn7.dts b/arch/arm/boot/dts/tegra114-tn7.dts index 17dd14545862..a161fa1dfb61 100644 --- a/arch/arm/boot/dts/tegra114-tn7.dts +++ b/arch/arm/boot/dts/tegra114-tn7.dts @@ -63,7 +63,7 @@ palmas: pmic@58 { compatible = "ti,palmas"; reg = <0x58>; - interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_LOW>; + interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>; #interrupt-cells = <2>; interrupt-controller; diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index bc5f50799d75..9f157e7c51e7 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -295,6 +295,7 @@ __und_svc_fault: bl __und_fault __und_svc_finish: + get_thread_info tsk ldr r5, [sp, #S_PSR] @ Get SVC cpsr svc_exit r5 @ return from exception UNWIND(.fnend ) diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c index fd8720532471..0df062d8b2c9 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -271,6 +271,12 @@ static int __init imx_gpc_init(struct device_node *node, for (i = 0; i < IMR_NUM; i++) writel_relaxed(~0, gpc_base + GPC_IMR1 + i * 4); + /* + * Clear the OF_POPULATED flag set in of_irq_init so that + * later the GPC power domain driver will not be skipped. + */ + of_node_clear_flag(node, OF_POPULATED); + return 0; } IRQCHIP_DECLARE(imx_gpc, "fsl,imx6q-gpc", imx_gpc_init); diff --git a/arch/arm/mach-imx/mach-imx6ul.c b/arch/arm/mach-imx/mach-imx6ul.c index 5d9bfab279dd..6bb7d9cf1e38 100644 --- a/arch/arm/mach-imx/mach-imx6ul.c +++ b/arch/arm/mach-imx/mach-imx6ul.c @@ -64,6 +64,7 @@ static void __init imx6ul_init_machine(void) if (parent == NULL) pr_warn("failed to initialize soc device\n"); + of_platform_default_populate(NULL, NULL, parent); imx6ul_enet_init(); imx_anatop_init(); imx6ul_pm_init(); diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c index 58924b3844df..67bab74fcbc5 100644 --- a/arch/arm/mach-imx/pm-imx6.c +++ b/arch/arm/mach-imx/pm-imx6.c @@ -295,7 +295,7 @@ int imx6_set_lpm(enum mxc_cpu_pwr_mode mode) val &= ~BM_CLPCR_SBYOS; if (cpu_is_imx6sl()) val |= BM_CLPCR_BYPASS_PMIC_READY; - if (cpu_is_imx6sl() || cpu_is_imx6sx()) + if (cpu_is_imx6sl() || cpu_is_imx6sx() || cpu_is_imx6ul()) val |= BM_CLPCR_BYP_MMDC_CH0_LPM_HS; else val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS; diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c index c073fb57dd13..6f2d0aec0513 100644 --- a/arch/arm/mach-omap2/cm33xx.c +++ b/arch/arm/mach-omap2/cm33xx.c @@ -220,9 +220,6 @@ static int am33xx_cm_wait_module_ready(u8 part, s16 inst, u16 clkctrl_offs, { int i = 0; - if (!clkctrl_offs) - return 0; - omap_test_timeout(_is_module_ready(inst, clkctrl_offs), MAX_MODULE_READY_TIME, i); @@ -246,9 +243,6 @@ static int am33xx_cm_wait_module_idle(u8 part, s16 inst, u16 clkctrl_offs, { int i = 0; - if (!clkctrl_offs) - return 0; - omap_test_timeout((_clkctrl_idlest(inst, clkctrl_offs) == CLKCTRL_IDLEST_DISABLED), MAX_MODULE_READY_TIME, i); diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c index 2c0e07ed6b99..2ab27ade136a 100644 --- a/arch/arm/mach-omap2/cminst44xx.c +++ b/arch/arm/mach-omap2/cminst44xx.c @@ -278,9 +278,6 @@ static int omap4_cminst_wait_module_ready(u8 part, s16 inst, u16 clkctrl_offs, { int i = 0; - if (!clkctrl_offs) - return 0; - omap_test_timeout(_is_module_ready(part, inst, clkctrl_offs), MAX_MODULE_READY_TIME, i); @@ -304,9 +301,6 @@ static int omap4_cminst_wait_module_idle(u8 part, s16 inst, u16 clkctrl_offs, { int i = 0; - if (!clkctrl_offs) - return 0; - omap_test_timeout((_clkctrl_idlest(part, inst, clkctrl_offs) == CLKCTRL_IDLEST_DISABLED), MAX_MODULE_DISABLE_TIME, i); diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 5b709383381c..1052b29697b8 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1053,6 +1053,10 @@ static int _omap4_wait_target_disable(struct omap_hwmod *oh) if (oh->flags & HWMOD_NO_IDLEST) return 0; + if (!oh->prcm.omap4.clkctrl_offs && + !(oh->prcm.omap4.flags & HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET)) + return 0; + return omap_cm_wait_module_idle(oh->clkdm->prcm_partition, oh->clkdm->cm_inst, oh->prcm.omap4.clkctrl_offs, 0); @@ -2971,6 +2975,10 @@ static int _omap4_wait_target_ready(struct omap_hwmod *oh) if (!_find_mpu_rt_port(oh)) return 0; + if (!oh->prcm.omap4.clkctrl_offs && + !(oh->prcm.omap4.flags & HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET)) + return 0; + /* XXX check module SIDLEMODE, hardreset status */ return omap_cm_wait_module_ready(oh->clkdm->prcm_partition, diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h index 4041bad79a9a..78904017f18c 100644 --- a/arch/arm/mach-omap2/omap_hwmod.h +++ b/arch/arm/mach-omap2/omap_hwmod.h @@ -443,8 +443,12 @@ struct omap_hwmod_omap2_prcm { * HWMOD_OMAP4_NO_CONTEXT_LOSS_BIT: Some IP blocks don't have a PRCM * module-level context loss register associated with them; this * flag bit should be set in those cases + * HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET: Some IP blocks have a valid CLKCTRL + * offset of zero; this flag bit should be set in those cases to + * distinguish from hwmods that have no clkctrl offset. */ #define HWMOD_OMAP4_NO_CONTEXT_LOSS_BIT (1 << 0) +#define HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET (1 << 1) /** * struct omap_hwmod_omap4_prcm - OMAP4-specific PRCM data diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c index 55c5878577f4..e2d84aa7f595 100644 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c @@ -29,6 +29,7 @@ #define CLKCTRL(oh, clkctrl) ((oh).prcm.omap4.clkctrl_offs = (clkctrl)) #define RSTCTRL(oh, rstctrl) ((oh).prcm.omap4.rstctrl_offs = (rstctrl)) #define RSTST(oh, rstst) ((oh).prcm.omap4.rstst_offs = (rstst)) +#define PRCM_FLAGS(oh, flag) ((oh).prcm.omap4.flags = (flag)) /* * 'l3' class @@ -1296,6 +1297,7 @@ static void omap_hwmod_am33xx_clkctrl(void) CLKCTRL(am33xx_i2c1_hwmod, AM33XX_CM_WKUP_I2C0_CLKCTRL_OFFSET); CLKCTRL(am33xx_wd_timer1_hwmod, AM33XX_CM_WKUP_WDT1_CLKCTRL_OFFSET); CLKCTRL(am33xx_rtc_hwmod, AM33XX_CM_RTC_RTC_CLKCTRL_OFFSET); + PRCM_FLAGS(am33xx_rtc_hwmod, HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET); CLKCTRL(am33xx_mmc2_hwmod, AM33XX_CM_PER_MMC2_CLKCTRL_OFFSET); CLKCTRL(am33xx_gpmc_hwmod, AM33XX_CM_PER_GPMC_CLKCTRL_OFFSET); CLKCTRL(am33xx_l4_ls_hwmod, AM33XX_CM_PER_L4LS_CLKCTRL_OFFSET); diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index d72ee6185d5e..1cc4a6f3954e 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -722,8 +722,20 @@ static struct omap_hwmod omap3xxx_dss_dispc_hwmod = { * display serial interface controller */ +static struct omap_hwmod_class_sysconfig omap3xxx_dsi_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY | + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + static struct omap_hwmod_class omap3xxx_dsi_hwmod_class = { .name = "dsi", + .sysc = &omap3xxx_dsi_sysc, }; static struct omap_hwmod_irq_info omap3xxx_dsi1_irqs[] = { diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 62f4d01941f7..6344913f0804 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -728,7 +728,8 @@ static void *__init late_alloc(unsigned long sz) { void *ptr = (void *)__get_free_pages(PGALLOC_GFP, get_order(sz)); - BUG_ON(!ptr); + if (!ptr || !pgtable_page_ctor(virt_to_page(ptr))) + BUG(); return ptr; } @@ -1155,10 +1156,19 @@ void __init sanity_check_meminfo(void) { phys_addr_t memblock_limit = 0; int highmem = 0; - phys_addr_t vmalloc_limit = __pa(vmalloc_min - 1) + 1; + u64 vmalloc_limit; struct memblock_region *reg; bool should_use_highmem = false; + /* + * Let's use our own (unoptimized) equivalent of __pa() that is + * not affected by wrap-arounds when sizeof(phys_addr_t) == 4. + * The result is used as the upper bound on physical memory address + * and may itself be outside the valid range for which phys_addr_t + * and therefore __pa() is defined. + */ + vmalloc_limit = (u64)(uintptr_t)vmalloc_min - PAGE_OFFSET + PHYS_OFFSET; + for_each_memblock(memory, reg) { phys_addr_t block_start = reg->base; phys_addr_t block_end = reg->base + reg->size; @@ -1183,10 +1193,11 @@ void __init sanity_check_meminfo(void) if (reg->size > size_limit) { phys_addr_t overlap_size = reg->size - size_limit; - pr_notice("Truncating RAM at %pa-%pa to -%pa", - &block_start, &block_end, &vmalloc_limit); - memblock_remove(vmalloc_limit, overlap_size); + pr_notice("Truncating RAM at %pa-%pa", + &block_start, &block_end); block_end = vmalloc_limit; + pr_cont(" to -%pa", &block_end); + memblock_remove(vmalloc_limit, overlap_size); should_use_highmem = true; } } diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S index 9a3aec97ac09..ccf79d849e0a 100644 --- a/arch/arm64/kernel/sleep.S +++ b/arch/arm64/kernel/sleep.S @@ -101,12 +101,20 @@ ENTRY(cpu_resume) bl el2_setup // if in EL2 drop to EL1 cleanly /* enable the MMU early - so we can access sleep_save_stash by va */ adr_l lr, __enable_mmu /* __cpu_setup will return here */ - ldr x27, =_cpu_resume /* __enable_mmu will branch here */ + adr_l x27, _resume_switched /* __enable_mmu will branch here */ adrp x25, idmap_pg_dir adrp x26, swapper_pg_dir b __cpu_setup ENDPROC(cpu_resume) + .pushsection ".idmap.text", "ax" +_resume_switched: + ldr x8, =_cpu_resume + br x8 +ENDPROC(_resume_switched) + .ltorg + .popsection + ENTRY(_cpu_resume) mrs x1, mpidr_el1 adrp x8, mpidr_hash diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c index f94b80eb295d..9c3e75df2180 100644 --- a/arch/arm64/mm/dump.c +++ b/arch/arm64/mm/dump.c @@ -242,7 +242,7 @@ static void note_page(struct pg_state *st, unsigned long addr, unsigned level, static void walk_pte(struct pg_state *st, pmd_t *pmd, unsigned long start) { - pte_t *pte = pte_offset_kernel(pmd, 0); + pte_t *pte = pte_offset_kernel(pmd, 0UL); unsigned long addr; unsigned i; @@ -254,7 +254,7 @@ static void walk_pte(struct pg_state *st, pmd_t *pmd, unsigned long start) static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start) { - pmd_t *pmd = pmd_offset(pud, 0); + pmd_t *pmd = pmd_offset(pud, 0UL); unsigned long addr; unsigned i; @@ -271,7 +271,7 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start) static void walk_pud(struct pg_state *st, pgd_t *pgd, unsigned long start) { - pud_t *pud = pud_offset(pgd, 0); + pud_t *pud = pud_offset(pgd, 0UL); unsigned long addr; unsigned i; diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c index c7fe3ec70774..5bb15eab6f00 100644 --- a/arch/arm64/mm/numa.c +++ b/arch/arm64/mm/numa.c @@ -23,6 +23,8 @@ #include <linux/module.h> #include <linux/of.h> +#include <asm/acpi.h> + struct pglist_data *node_data[MAX_NUMNODES] __read_mostly; EXPORT_SYMBOL(node_data); nodemask_t numa_nodes_parsed __initdata; diff --git a/arch/parisc/include/uapi/asm/errno.h b/arch/parisc/include/uapi/asm/errno.h index c0ae62520d15..274d5bc6ecce 100644 --- a/arch/parisc/include/uapi/asm/errno.h +++ b/arch/parisc/include/uapi/asm/errno.h @@ -97,10 +97,10 @@ #define ENOTCONN 235 /* Transport endpoint is not connected */ #define ESHUTDOWN 236 /* Cannot send after transport endpoint shutdown */ #define ETOOMANYREFS 237 /* Too many references: cannot splice */ -#define EREFUSED ECONNREFUSED /* for HP's NFS apparently */ #define ETIMEDOUT 238 /* Connection timed out */ #define ECONNREFUSED 239 /* Connection refused */ -#define EREMOTERELEASE 240 /* Remote peer released connection */ +#define EREFUSED ECONNREFUSED /* for HP's NFS apparently */ +#define EREMOTERELEASE 240 /* Remote peer released connection */ #define EHOSTDOWN 241 /* Host is down */ #define EHOSTUNREACH 242 /* No route to host */ diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c index 5adc339eb7c8..0c2a94a0f751 100644 --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -51,8 +51,6 @@ EXPORT_SYMBOL(_parisc_requires_coherency); DEFINE_PER_CPU(struct cpuinfo_parisc, cpu_data); -extern int update_cr16_clocksource(void); /* from time.c */ - /* ** PARISC CPU driver - claim "device" and initialize CPU data structures. ** @@ -228,12 +226,6 @@ static int processor_probe(struct parisc_device *dev) } #endif - /* If we've registered more than one cpu, - * we'll use the jiffies clocksource since cr16 - * is not synchronized between CPUs. - */ - update_cr16_clocksource(); - return 0; } diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index 505cf1ac5af2..4b0b963d52a7 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -221,18 +221,6 @@ static struct clocksource clocksource_cr16 = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; -int update_cr16_clocksource(void) -{ - /* since the cr16 cycle counters are not synchronized across CPUs, - we'll check if we should switch to a safe clocksource: */ - if (clocksource_cr16.rating != 0 && num_online_cpus() > 1) { - clocksource_change_rating(&clocksource_cr16, 0); - return 1; - } - - return 0; -} - void __init start_cpu_itimer(void) { unsigned int cpu = smp_processor_id(); diff --git a/arch/s390/boot/compressed/head.S b/arch/s390/boot/compressed/head.S index f86a4eef28a9..28c4f96a2d9c 100644 --- a/arch/s390/boot/compressed/head.S +++ b/arch/s390/boot/compressed/head.S @@ -21,16 +21,21 @@ ENTRY(startup_continue) lg %r15,.Lstack-.LPG1(%r13) aghi %r15,-160 brasl %r14,decompress_kernel - # setup registers for memory mover & branch to target + # Set up registers for memory mover. We move the decompressed image to + # 0x11000, starting at offset 0x11000 in the decompressed image so + # that code living at 0x11000 in the image will end up at 0x11000 in + # memory. lgr %r4,%r2 lg %r2,.Loffset-.LPG1(%r13) la %r4,0(%r2,%r4) lg %r3,.Lmvsize-.LPG1(%r13) lgr %r5,%r3 - # move the memory mover someplace safe + # Move the memory mover someplace safe so it doesn't overwrite itself. la %r1,0x200 mvc 0(mover_end-mover,%r1),mover-.LPG1(%r13) - # decompress image is started at 0x11000 + # When the memory mover is done we pass control to + # arch/s390/kernel/head64.S:startup_continue which lives at 0x11000 in + # the decompressed image. lgr %r6,%r2 br %r1 mover: diff --git a/arch/s390/configs/default_defconfig b/arch/s390/configs/default_defconfig index 889ea3450210..26e0c7f08814 100644 --- a/arch/s390/configs/default_defconfig +++ b/arch/s390/configs/default_defconfig @@ -678,7 +678,7 @@ CONFIG_CRYPTO_SHA512_S390=m CONFIG_CRYPTO_DES_S390=m CONFIG_CRYPTO_AES_S390=m CONFIG_CRYPTO_GHASH_S390=m -CONFIG_CRYPTO_CRC32_S390=m +CONFIG_CRYPTO_CRC32_S390=y CONFIG_ASYMMETRIC_KEY_TYPE=y CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m CONFIG_X509_CERTIFICATE_PARSER=m diff --git a/arch/s390/configs/gcov_defconfig b/arch/s390/configs/gcov_defconfig index 1bcfd764910a..24879dab47bc 100644 --- a/arch/s390/configs/gcov_defconfig +++ b/arch/s390/configs/gcov_defconfig @@ -616,7 +616,7 @@ CONFIG_CRYPTO_SHA512_S390=m CONFIG_CRYPTO_DES_S390=m CONFIG_CRYPTO_AES_S390=m CONFIG_CRYPTO_GHASH_S390=m -CONFIG_CRYPTO_CRC32_S390=m +CONFIG_CRYPTO_CRC32_S390=y CONFIG_ASYMMETRIC_KEY_TYPE=y CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m CONFIG_X509_CERTIFICATE_PARSER=m diff --git a/arch/s390/configs/performance_defconfig b/arch/s390/configs/performance_defconfig index 13ff090139c8..a5c1e5f2a0ca 100644 --- a/arch/s390/configs/performance_defconfig +++ b/arch/s390/configs/performance_defconfig @@ -615,7 +615,7 @@ CONFIG_CRYPTO_SHA512_S390=m CONFIG_CRYPTO_DES_S390=m CONFIG_CRYPTO_AES_S390=m CONFIG_CRYPTO_GHASH_S390=m -CONFIG_CRYPTO_CRC32_S390=m +CONFIG_CRYPTO_CRC32_S390=y CONFIG_ASYMMETRIC_KEY_TYPE=y CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m CONFIG_X509_CERTIFICATE_PARSER=m diff --git a/arch/s390/crypto/crc32-vx.c b/arch/s390/crypto/crc32-vx.c index 577ae1d4ae89..2bad9d837029 100644 --- a/arch/s390/crypto/crc32-vx.c +++ b/arch/s390/crypto/crc32-vx.c @@ -51,6 +51,9 @@ u32 crc32c_le_vgfm_16(u32 crc, unsigned char const *buf, size_t size); struct kernel_fpu vxstate; \ unsigned long prealign, aligned, remaining; \ \ + if (datalen < VX_MIN_LEN + VX_ALIGN_MASK) \ + return ___crc32_sw(crc, data, datalen); \ + \ if ((unsigned long)data & VX_ALIGN_MASK) { \ prealign = VX_ALIGNMENT - \ ((unsigned long)data & VX_ALIGN_MASK); \ @@ -59,9 +62,6 @@ u32 crc32c_le_vgfm_16(u32 crc, unsigned char const *buf, size_t size); data = (void *)((unsigned long)data + prealign); \ } \ \ - if (datalen < VX_MIN_LEN) \ - return ___crc32_sw(crc, data, datalen); \ - \ aligned = datalen & ~VX_ALIGN_MASK; \ remaining = datalen & VX_ALIGN_MASK; \ \ diff --git a/arch/s390/defconfig b/arch/s390/defconfig index ccccebeeaaf6..73610f2e3b4f 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -234,7 +234,7 @@ CONFIG_CRYPTO_SHA256_S390=m CONFIG_CRYPTO_SHA512_S390=m CONFIG_CRYPTO_DES_S390=m CONFIG_CRYPTO_AES_S390=m -CONFIG_CRYPTO_CRC32_S390=m +CONFIG_CRYPTO_CRC32_S390=y CONFIG_CRC7=m # CONFIG_XZ_DEC_X86 is not set # CONFIG_XZ_DEC_POWERPC is not set diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index 56e4d8234ef2..4431905f8cfa 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S @@ -309,7 +309,9 @@ ENTRY(startup_kdump) l %r15,.Lstack-.LPG0(%r13) ahi %r15,-STACK_FRAME_OVERHEAD brasl %r14,verify_facilities - /* Continue with startup code in head64.S */ +# For uncompressed images, continue in +# arch/s390/kernel/head64.S. For compressed images, continue in +# arch/s390/boot/compressed/head.S. jg startup_continue .Lstack: diff --git a/arch/s390/lib/string.c b/arch/s390/lib/string.c index e390bbb16443..48352bffbc92 100644 --- a/arch/s390/lib/string.c +++ b/arch/s390/lib/string.c @@ -237,11 +237,10 @@ char * strrchr(const char * s, int c) EXPORT_SYMBOL(strrchr); static inline int clcle(const char *s1, unsigned long l1, - const char *s2, unsigned long l2, - int *diff) + const char *s2, unsigned long l2) { register unsigned long r2 asm("2") = (unsigned long) s1; - register unsigned long r3 asm("3") = (unsigned long) l2; + register unsigned long r3 asm("3") = (unsigned long) l1; register unsigned long r4 asm("4") = (unsigned long) s2; register unsigned long r5 asm("5") = (unsigned long) l2; int cc; @@ -252,7 +251,6 @@ static inline int clcle(const char *s1, unsigned long l1, " srl %0,28" : "=&d" (cc), "+a" (r2), "+a" (r3), "+a" (r4), "+a" (r5) : : "cc"); - *diff = *(char *)r2 - *(char *)r4; return cc; } @@ -270,9 +268,9 @@ char * strstr(const char * s1,const char * s2) return (char *) s1; l1 = __strend(s1) - s1; while (l1-- >= l2) { - int cc, dummy; + int cc; - cc = clcle(s1, l1, s2, l2, &dummy); + cc = clcle(s1, l2, s2, l2); if (!cc) return (char *) s1; s1++; @@ -313,11 +311,11 @@ EXPORT_SYMBOL(memchr); */ int memcmp(const void *cs, const void *ct, size_t n) { - int ret, diff; + int ret; - ret = clcle(cs, n, ct, n, &diff); + ret = clcle(cs, n, ct, n); if (ret) - ret = diff; + ret = ret == 1 ? -1 : 1; return ret; } EXPORT_SYMBOL(memcmp); diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c index 7104ffb5a67f..af7cf28cf97e 100644 --- a/arch/s390/mm/pageattr.c +++ b/arch/s390/mm/pageattr.c @@ -252,6 +252,8 @@ static int change_page_attr(unsigned long addr, unsigned long end, int rc = -EINVAL; pgd_t *pgdp; + if (addr == end) + return 0; if (end >= MODULES_END) return -EINVAL; mutex_lock(&cpa_mutex); diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index 27a0228c9cae..b816971f5da4 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -355,6 +355,7 @@ void load_ucode_amd_ap(void) unsigned int cpu = smp_processor_id(); struct equiv_cpu_entry *eq; struct microcode_amd *mc; + u8 *cont = container; u32 rev, eax; u16 eq_id; @@ -371,8 +372,11 @@ void load_ucode_amd_ap(void) if (check_current_patch_level(&rev, false)) return; + /* Add CONFIG_RANDOMIZE_MEMORY offset. */ + cont += PAGE_OFFSET - __PAGE_OFFSET_BASE; + eax = cpuid_eax(0x00000001); - eq = (struct equiv_cpu_entry *)(container + CONTAINER_HDR_SZ); + eq = (struct equiv_cpu_entry *)(cont + CONTAINER_HDR_SZ); eq_id = find_equiv_id(eq, eax); if (!eq_id) @@ -434,6 +438,9 @@ int __init save_microcode_in_initrd_amd(void) else container = cont_va; + /* Add CONFIG_RANDOMIZE_MEMORY offset. */ + container += PAGE_OFFSET - __PAGE_OFFSET_BASE; + eax = cpuid_eax(0x00000001); eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff); diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 2a6e84a30a54..4296beb8fdd3 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -100,10 +100,11 @@ EXPORT_PER_CPU_SYMBOL(cpu_info); /* Logical package management. We might want to allocate that dynamically */ static int *physical_to_logical_pkg __read_mostly; static unsigned long *physical_package_map __read_mostly;; -static unsigned long *logical_package_map __read_mostly; static unsigned int max_physical_pkg_id __read_mostly; unsigned int __max_logical_packages __read_mostly; EXPORT_SYMBOL(__max_logical_packages); +static unsigned int logical_packages __read_mostly; +static bool logical_packages_frozen __read_mostly; /* Maximum number of SMT threads on any online core */ int __max_smt_threads __read_mostly; @@ -277,14 +278,14 @@ int topology_update_package_map(unsigned int apicid, unsigned int cpu) if (test_and_set_bit(pkg, physical_package_map)) goto found; - new = find_first_zero_bit(logical_package_map, __max_logical_packages); - if (new >= __max_logical_packages) { + if (logical_packages_frozen) { physical_to_logical_pkg[pkg] = -1; - pr_warn("APIC(%x) Package %u exceeds logical package map\n", + pr_warn("APIC(%x) Package %u exceeds logical package max\n", apicid, pkg); return -ENOSPC; } - set_bit(new, logical_package_map); + + new = logical_packages++; pr_info("APIC(%x) Converting physical %u to logical package %u\n", apicid, pkg, new); physical_to_logical_pkg[pkg] = new; @@ -341,6 +342,7 @@ static void __init smp_init_package_map(void) } __max_logical_packages = DIV_ROUND_UP(total_cpus, ncpus); + logical_packages = 0; /* * Possibly larger than what we need as the number of apic ids per @@ -352,10 +354,6 @@ static void __init smp_init_package_map(void) memset(physical_to_logical_pkg, 0xff, size); size = BITS_TO_LONGS(max_physical_pkg_id) * sizeof(unsigned long); physical_package_map = kzalloc(size, GFP_KERNEL); - size = BITS_TO_LONGS(__max_logical_packages) * sizeof(unsigned long); - logical_package_map = kzalloc(size, GFP_KERNEL); - - pr_info("Max logical packages: %u\n", __max_logical_packages); for_each_present_cpu(cpu) { unsigned int apicid = apic->cpu_present_to_apicid(cpu); @@ -369,6 +367,15 @@ static void __init smp_init_package_map(void) set_cpu_possible(cpu, false); set_cpu_present(cpu, false); } + + if (logical_packages > __max_logical_packages) { + pr_warn("Detected more packages (%u), then computed by BIOS data (%u).\n", + logical_packages, __max_logical_packages); + logical_packages_frozen = true; + __max_logical_packages = logical_packages; + } + + pr_info("Max logical packages: %u\n", __max_logical_packages); } void __init smp_store_boot_cpu_info(void) diff --git a/arch/x86/power/hibernate_64.c b/arch/x86/power/hibernate_64.c index a3e3ccc87138..9634557a5444 100644 --- a/arch/x86/power/hibernate_64.c +++ b/arch/x86/power/hibernate_64.c @@ -113,7 +113,7 @@ static int set_up_temporary_mappings(void) return result; } - temp_level4_pgt = (unsigned long)pgd - __PAGE_OFFSET; + temp_level4_pgt = __pa(pgd); return 0; } diff --git a/crypto/Kconfig b/crypto/Kconfig index a9377bef25e3..84d71482bf08 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -439,7 +439,7 @@ config CRYPTO_CRC32C_INTEL config CRYPT_CRC32C_VPMSUM tristate "CRC32c CRC algorithm (powerpc64)" - depends on PPC64 + depends on PPC64 && ALTIVEC select CRYPTO_HASH select CRC32 help diff --git a/crypto/sha3_generic.c b/crypto/sha3_generic.c index 62264397a2d2..7e8ed96236ce 100644 --- a/crypto/sha3_generic.c +++ b/crypto/sha3_generic.c @@ -24,14 +24,14 @@ #define ROTL64(x, y) (((x) << (y)) | ((x) >> (64 - (y)))) static const u64 keccakf_rndc[24] = { - 0x0000000000000001, 0x0000000000008082, 0x800000000000808a, - 0x8000000080008000, 0x000000000000808b, 0x0000000080000001, - 0x8000000080008081, 0x8000000000008009, 0x000000000000008a, - 0x0000000000000088, 0x0000000080008009, 0x000000008000000a, - 0x000000008000808b, 0x800000000000008b, 0x8000000000008089, - 0x8000000000008003, 0x8000000000008002, 0x8000000000000080, - 0x000000000000800a, 0x800000008000000a, 0x8000000080008081, - 0x8000000000008080, 0x0000000080000001, 0x8000000080008008 + 0x0000000000000001ULL, 0x0000000000008082ULL, 0x800000000000808aULL, + 0x8000000080008000ULL, 0x000000000000808bULL, 0x0000000080000001ULL, + 0x8000000080008081ULL, 0x8000000000008009ULL, 0x000000000000008aULL, + 0x0000000000000088ULL, 0x0000000080008009ULL, 0x000000008000000aULL, + 0x000000008000808bULL, 0x800000000000008bULL, 0x8000000000008089ULL, + 0x8000000000008003ULL, 0x8000000000008002ULL, 0x8000000000000080ULL, + 0x000000000000800aULL, 0x800000008000000aULL, 0x8000000080008081ULL, + 0x8000000000008080ULL, 0x0000000080000001ULL, 0x8000000080008008ULL }; static const int keccakf_rotc[24] = { diff --git a/drivers/bus/vexpress-config.c b/drivers/bus/vexpress-config.c index c3cb76b363c6..9efdf1de4035 100644 --- a/drivers/bus/vexpress-config.c +++ b/drivers/bus/vexpress-config.c @@ -178,6 +178,7 @@ static int vexpress_config_populate(struct device_node *node) parent = class_find_device(vexpress_config_class, NULL, bridge, vexpress_config_node_match); + of_node_put(bridge); if (WARN_ON(!parent)) return -ENODEV; diff --git a/drivers/clocksource/bcm_kona_timer.c b/drivers/clocksource/bcm_kona_timer.c index 7e3fd375a627..92f6e4deee74 100644 --- a/drivers/clocksource/bcm_kona_timer.c +++ b/drivers/clocksource/bcm_kona_timer.c @@ -66,10 +66,10 @@ static void kona_timer_disable_and_clear(void __iomem *base) } -static void +static int kona_timer_get_counter(void __iomem *timer_base, uint32_t *msw, uint32_t *lsw) { - int loop_limit = 4; + int loop_limit = 3; /* * Read 64-bit free running counter @@ -83,18 +83,19 @@ kona_timer_get_counter(void __iomem *timer_base, uint32_t *msw, uint32_t *lsw) * if new hi-word is equal to previously read hi-word then stop. */ - while (--loop_limit) { + do { *msw = readl(timer_base + KONA_GPTIMER_STCHI_OFFSET); *lsw = readl(timer_base + KONA_GPTIMER_STCLO_OFFSET); if (*msw == readl(timer_base + KONA_GPTIMER_STCHI_OFFSET)) break; - } + } while (--loop_limit); if (!loop_limit) { pr_err("bcm_kona_timer: getting counter failed.\n"); pr_err(" Timer will be impacted\n"); + return -ETIMEDOUT; } - return; + return 0; } static int kona_timer_set_next_event(unsigned long clc, @@ -112,8 +113,11 @@ static int kona_timer_set_next_event(unsigned long clc, uint32_t lsw, msw; uint32_t reg; + int ret; - kona_timer_get_counter(timers.tmr_regs, &msw, &lsw); + ret = kona_timer_get_counter(timers.tmr_regs, &msw, &lsw); + if (ret) + return ret; /* Load the "next" event tick value */ writel(lsw + clc, timers.tmr_regs + KONA_GPTIMER_STCM0_OFFSET); diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c index d91e8725917c..b4b3ab5a11ad 100644 --- a/drivers/clocksource/mips-gic-timer.c +++ b/drivers/clocksource/mips-gic-timer.c @@ -164,7 +164,7 @@ void __init gic_clocksource_init(unsigned int frequency) gic_start_count(); } -static void __init gic_clocksource_of_init(struct device_node *node) +static int __init gic_clocksource_of_init(struct device_node *node) { struct clk *clk; int ret; diff --git a/drivers/clocksource/time-armada-370-xp.c b/drivers/clocksource/time-armada-370-xp.c index 719b478d136e..3c39e6f45971 100644 --- a/drivers/clocksource/time-armada-370-xp.c +++ b/drivers/clocksource/time-armada-370-xp.c @@ -338,7 +338,6 @@ static int __init armada_xp_timer_init(struct device_node *np) struct clk *clk = of_clk_get_by_name(np, "fixed"); int ret; - clk = of_clk_get(np, 0); if (IS_ERR(clk)) { pr_err("Failed to get clock"); return PTR_ERR(clk); diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index ea8189f4b021..6dc597126b79 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -441,6 +441,9 @@ static int aead_set_sh_desc(struct crypto_aead *aead) OP_ALG_AAI_CTR_MOD128); const bool is_rfc3686 = alg->caam.rfc3686; + if (!ctx->authsize) + return 0; + /* NULL encryption / decryption */ if (!ctx->enckeylen) return aead_null_set_sh_desc(aead); @@ -614,7 +617,7 @@ skip_enc: keys_fit_inline = true; /* aead_givencrypt shared descriptor */ - desc = ctx->sh_desc_givenc; + desc = ctx->sh_desc_enc; /* Note: Context registers are saved. */ init_sh_desc_key_aead(desc, ctx, keys_fit_inline, is_rfc3686); @@ -645,13 +648,13 @@ copy_iv: append_operation(desc, ctx->class2_alg_type | OP_ALG_AS_INITFINAL | OP_ALG_ENCRYPT); - /* ivsize + cryptlen = seqoutlen - authsize */ - append_math_sub_imm_u32(desc, REG3, SEQOUTLEN, IMM, ctx->authsize); - /* Read and write assoclen bytes */ append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ); append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ); + /* ivsize + cryptlen = seqoutlen - authsize */ + append_math_sub_imm_u32(desc, REG3, SEQOUTLEN, IMM, ctx->authsize); + /* Skip assoc data */ append_seq_fifo_store(desc, 0, FIFOST_TYPE_SKIP | FIFOLDST_VLF); @@ -697,7 +700,7 @@ copy_iv: ctx->sh_desc_enc_dma = dma_map_single(jrdev, desc, desc_bytes(desc), DMA_TO_DEVICE); - if (dma_mapping_error(jrdev, ctx->sh_desc_givenc_dma)) { + if (dma_mapping_error(jrdev, ctx->sh_desc_enc_dma)) { dev_err(jrdev, "unable to map shared descriptor\n"); return -ENOMEM; } diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index f1ecc8df8d41..36365b3efdfd 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -1898,6 +1898,7 @@ caam_hash_alloc(struct caam_hash_template *template, template->name); snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", template->driver_name); + t_alg->ahash_alg.setkey = NULL; } alg->cra_module = THIS_MODULE; alg->cra_init = caam_hash_cra_init; diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig index d0c1dab9b435..dff1a4a6dc1b 100644 --- a/drivers/edac/Kconfig +++ b/drivers/edac/Kconfig @@ -251,6 +251,14 @@ config EDAC_SBRIDGE Support for error detection and correction the Intel Sandy Bridge, Ivy Bridge and Haswell Integrated Memory Controllers. +config EDAC_SKX + tristate "Intel Skylake server Integrated MC" + depends on EDAC_MM_EDAC && PCI && X86_64 && X86_MCE_INTEL + depends on PCI_MMCONFIG + help + Support for error detection and correction the Intel + Skylake server Integrated Memory Controllers. + config EDAC_MPC85XX tristate "Freescale MPC83xx / MPC85xx" depends on EDAC_MM_EDAC && FSL_SOC diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile index f9e4a3e0e6e9..986049925b08 100644 --- a/drivers/edac/Makefile +++ b/drivers/edac/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_EDAC_I5400) += i5400_edac.o obj-$(CONFIG_EDAC_I7300) += i7300_edac.o obj-$(CONFIG_EDAC_I7CORE) += i7core_edac.o obj-$(CONFIG_EDAC_SBRIDGE) += sb_edac.o +obj-$(CONFIG_EDAC_SKX) += skx_edac.o obj-$(CONFIG_EDAC_E7XXX) += e7xxx_edac.o obj-$(CONFIG_EDAC_E752X) += e752x_edac.o obj-$(CONFIG_EDAC_I82443BXGX) += i82443bxgx_edac.o diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index 4fb2eb7c800d..ce0067b7a2f6 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -552,9 +552,9 @@ static const struct pci_id_table pci_dev_descr_haswell_table[] = { /* Knight's Landing Support */ /* * KNL's memory channels are swizzled between memory controllers. - * MC0 is mapped to CH3,5,6 and MC1 is mapped to CH0,1,2 + * MC0 is mapped to CH3,4,5 and MC1 is mapped to CH0,1,2 */ -#define knl_channel_remap(channel) ((channel + 3) % 6) +#define knl_channel_remap(mc, chan) ((mc) ? (chan) : (chan) + 3) /* Memory controller, TAD tables, error injection - 2-8-0, 2-9-0 (2 of these) */ #define PCI_DEVICE_ID_INTEL_KNL_IMC_MC 0x7840 @@ -1286,7 +1286,7 @@ static u32 knl_get_mc_route(int entry, u32 reg) mc = GET_BITFIELD(reg, entry*3, (entry*3)+2); chan = GET_BITFIELD(reg, (entry*2) + 18, (entry*2) + 18 + 1); - return knl_channel_remap(mc*3 + chan); + return knl_channel_remap(mc, chan); } /* @@ -2997,8 +2997,15 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci, } else { char A = *("A"); - channel = knl_channel_remap(channel); + /* + * Reported channel is in range 0-2, so we can't map it + * back to mc. To figure out mc we check machine check + * bank register that reported this error. + * bank15 means mc0 and bank16 means mc1. + */ + channel = knl_channel_remap(m->bank == 16, channel); channel_mask = 1 << channel; + snprintf(msg, sizeof(msg), "%s%s err_code:%04x:%04x channel:%d (DIMM_%c)", overflow ? " OVERFLOW" : "", diff --git a/drivers/edac/skx_edac.c b/drivers/edac/skx_edac.c new file mode 100644 index 000000000000..0ff4878c2aa1 --- /dev/null +++ b/drivers/edac/skx_edac.c @@ -0,0 +1,1121 @@ +/* + * EDAC driver for Intel(R) Xeon(R) Skylake processors + * Copyright (c) 2016, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/pci_ids.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/edac.h> +#include <linux/mmzone.h> +#include <linux/smp.h> +#include <linux/bitmap.h> +#include <linux/math64.h> +#include <linux/mod_devicetable.h> +#include <asm/cpu_device_id.h> +#include <asm/processor.h> +#include <asm/mce.h> + +#include "edac_core.h" + +#define SKX_REVISION " Ver: 1.0 " + +/* + * Debug macros + */ +#define skx_printk(level, fmt, arg...) \ + edac_printk(level, "skx", fmt, ##arg) + +#define skx_mc_printk(mci, level, fmt, arg...) \ + edac_mc_chipset_printk(mci, level, "skx", fmt, ##arg) + +/* + * Get a bit field at register value <v>, from bit <lo> to bit <hi> + */ +#define GET_BITFIELD(v, lo, hi) \ + (((v) & GENMASK_ULL((hi), (lo))) >> (lo)) + +static LIST_HEAD(skx_edac_list); + +static u64 skx_tolm, skx_tohm; + +#define NUM_IMC 2 /* memory controllers per socket */ +#define NUM_CHANNELS 3 /* channels per memory controller */ +#define NUM_DIMMS 2 /* Max DIMMS per channel */ + +#define MASK26 0x3FFFFFF /* Mask for 2^26 */ +#define MASK29 0x1FFFFFFF /* Mask for 2^29 */ + +/* + * Each cpu socket contains some pci devices that provide global + * information, and also some that are local to each of the two + * memory controllers on the die. + */ +struct skx_dev { + struct list_head list; + u8 bus[4]; + struct pci_dev *sad_all; + struct pci_dev *util_all; + u32 mcroute; + struct skx_imc { + struct mem_ctl_info *mci; + u8 mc; /* system wide mc# */ + u8 lmc; /* socket relative mc# */ + u8 src_id, node_id; + struct skx_channel { + struct pci_dev *cdev; + struct skx_dimm { + u8 close_pg; + u8 bank_xor_enable; + u8 fine_grain_bank; + u8 rowbits; + u8 colbits; + } dimms[NUM_DIMMS]; + } chan[NUM_CHANNELS]; + } imc[NUM_IMC]; +}; +static int skx_num_sockets; + +struct skx_pvt { + struct skx_imc *imc; +}; + +struct decoded_addr { + struct skx_dev *dev; + u64 addr; + int socket; + int imc; + int channel; + u64 chan_addr; + int sktways; + int chanways; + int dimm; + int rank; + int channel_rank; + u64 rank_address; + int row; + int column; + int bank_address; + int bank_group; +}; + +static struct skx_dev *get_skx_dev(u8 bus, u8 idx) +{ + struct skx_dev *d; + + list_for_each_entry(d, &skx_edac_list, list) { + if (d->bus[idx] == bus) + return d; + } + + return NULL; +} + +enum munittype { + CHAN0, CHAN1, CHAN2, SAD_ALL, UTIL_ALL, SAD +}; + +struct munit { + u16 did; + u16 devfn[NUM_IMC]; + u8 busidx; + u8 per_socket; + enum munittype mtype; +}; + +/* + * List of PCI device ids that we need together with some device + * number and function numbers to tell which memory controller the + * device belongs to. + */ +static const struct munit skx_all_munits[] = { + { 0x2054, { }, 1, 1, SAD_ALL }, + { 0x2055, { }, 1, 1, UTIL_ALL }, + { 0x2040, { PCI_DEVFN(10, 0), PCI_DEVFN(12, 0) }, 2, 2, CHAN0 }, + { 0x2044, { PCI_DEVFN(10, 4), PCI_DEVFN(12, 4) }, 2, 2, CHAN1 }, + { 0x2048, { PCI_DEVFN(11, 0), PCI_DEVFN(13, 0) }, 2, 2, CHAN2 }, + { 0x208e, { }, 1, 0, SAD }, + { } +}; + +/* + * We use the per-socket device 0x2016 to count how many sockets are present, + * and to detemine which PCI buses are associated with each socket. Allocate + * and build the full list of all the skx_dev structures that we need here. + */ +static int get_all_bus_mappings(void) +{ + struct pci_dev *pdev, *prev; + struct skx_dev *d; + u32 reg; + int ndev = 0; + + prev = NULL; + for (;;) { + pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x2016, prev); + if (!pdev) + break; + ndev++; + d = kzalloc(sizeof(*d), GFP_KERNEL); + if (!d) { + pci_dev_put(pdev); + return -ENOMEM; + } + pci_read_config_dword(pdev, 0xCC, ®); + d->bus[0] = GET_BITFIELD(reg, 0, 7); + d->bus[1] = GET_BITFIELD(reg, 8, 15); + d->bus[2] = GET_BITFIELD(reg, 16, 23); + d->bus[3] = GET_BITFIELD(reg, 24, 31); + edac_dbg(2, "busses: %x, %x, %x, %x\n", + d->bus[0], d->bus[1], d->bus[2], d->bus[3]); + list_add_tail(&d->list, &skx_edac_list); + skx_num_sockets++; + prev = pdev; + } + + return ndev; +} + +static int get_all_munits(const struct munit *m) +{ + struct pci_dev *pdev, *prev; + struct skx_dev *d; + u32 reg; + int i = 0, ndev = 0; + + prev = NULL; + for (;;) { + pdev = pci_get_device(PCI_VENDOR_ID_INTEL, m->did, prev); + if (!pdev) + break; + ndev++; + if (m->per_socket == NUM_IMC) { + for (i = 0; i < NUM_IMC; i++) + if (m->devfn[i] == pdev->devfn) + break; + if (i == NUM_IMC) + goto fail; + } + d = get_skx_dev(pdev->bus->number, m->busidx); + if (!d) + goto fail; + + /* Be sure that the device is enabled */ + if (unlikely(pci_enable_device(pdev) < 0)) { + skx_printk(KERN_ERR, + "Couldn't enable %04x:%04x\n", PCI_VENDOR_ID_INTEL, m->did); + goto fail; + } + + switch (m->mtype) { + case CHAN0: case CHAN1: case CHAN2: + pci_dev_get(pdev); + d->imc[i].chan[m->mtype].cdev = pdev; + break; + case SAD_ALL: + pci_dev_get(pdev); + d->sad_all = pdev; + break; + case UTIL_ALL: + pci_dev_get(pdev); + d->util_all = pdev; + break; + case SAD: + /* + * one of these devices per core, including cores + * that don't exist on this SKU. Ignore any that + * read a route table of zero, make sure all the + * non-zero values match. + */ + pci_read_config_dword(pdev, 0xB4, ®); + if (reg != 0) { + if (d->mcroute == 0) + d->mcroute = reg; + else if (d->mcroute != reg) { + skx_printk(KERN_ERR, + "mcroute mismatch\n"); + goto fail; + } + } + ndev--; + break; + } + + prev = pdev; + } + + return ndev; +fail: + pci_dev_put(pdev); + return -ENODEV; +} + +const struct x86_cpu_id skx_cpuids[] = { + { X86_VENDOR_INTEL, 6, 0x55, 0, 0 }, /* Skylake */ + { } +}; +MODULE_DEVICE_TABLE(x86cpu, skx_cpuids); + +static u8 get_src_id(struct skx_dev *d) +{ + u32 reg; + + pci_read_config_dword(d->util_all, 0xF0, ®); + + return GET_BITFIELD(reg, 12, 14); +} + +static u8 skx_get_node_id(struct skx_dev *d) +{ + u32 reg; + + pci_read_config_dword(d->util_all, 0xF4, ®); + + return GET_BITFIELD(reg, 0, 2); +} + +static int get_dimm_attr(u32 reg, int lobit, int hibit, int add, int minval, + int maxval, char *name) +{ + u32 val = GET_BITFIELD(reg, lobit, hibit); + + if (val < minval || val > maxval) { + edac_dbg(2, "bad %s = %d (raw=%x)\n", name, val, reg); + return -EINVAL; + } + return val + add; +} + +#define IS_DIMM_PRESENT(mtr) GET_BITFIELD((mtr), 15, 15) + +#define numrank(reg) get_dimm_attr((reg), 12, 13, 0, 1, 2, "ranks") +#define numrow(reg) get_dimm_attr((reg), 2, 4, 12, 1, 6, "rows") +#define numcol(reg) get_dimm_attr((reg), 0, 1, 10, 0, 2, "cols") + +static int get_width(u32 mtr) +{ + switch (GET_BITFIELD(mtr, 8, 9)) { + case 0: + return DEV_X4; + case 1: + return DEV_X8; + case 2: + return DEV_X16; + } + return DEV_UNKNOWN; +} + +static int skx_get_hi_lo(void) +{ + struct pci_dev *pdev; + u32 reg; + + pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x2034, NULL); + if (!pdev) { + edac_dbg(0, "Can't get tolm/tohm\n"); + return -ENODEV; + } + + pci_read_config_dword(pdev, 0xD0, ®); + skx_tolm = reg; + pci_read_config_dword(pdev, 0xD4, ®); + skx_tohm = reg; + pci_read_config_dword(pdev, 0xD8, ®); + skx_tohm |= (u64)reg << 32; + + pci_dev_put(pdev); + edac_dbg(2, "tolm=%llx tohm=%llx\n", skx_tolm, skx_tohm); + + return 0; +} + +static int get_dimm_info(u32 mtr, u32 amap, struct dimm_info *dimm, + struct skx_imc *imc, int chan, int dimmno) +{ + int banks = 16, ranks, rows, cols, npages; + u64 size; + + if (!IS_DIMM_PRESENT(mtr)) + return 0; + ranks = numrank(mtr); + rows = numrow(mtr); + cols = numcol(mtr); + + /* + * Compute size in 8-byte (2^3) words, then shift to MiB (2^20) + */ + size = ((1ull << (rows + cols + ranks)) * banks) >> (20 - 3); + npages = MiB_TO_PAGES(size); + + edac_dbg(0, "mc#%d: channel %d, dimm %d, %lld Mb (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n", + imc->mc, chan, dimmno, size, npages, + banks, ranks, rows, cols); + + imc->chan[chan].dimms[dimmno].close_pg = GET_BITFIELD(mtr, 0, 0); + imc->chan[chan].dimms[dimmno].bank_xor_enable = GET_BITFIELD(mtr, 9, 9); + imc->chan[chan].dimms[dimmno].fine_grain_bank = GET_BITFIELD(amap, 0, 0); + imc->chan[chan].dimms[dimmno].rowbits = rows; + imc->chan[chan].dimms[dimmno].colbits = cols; + + dimm->nr_pages = npages; + dimm->grain = 32; + dimm->dtype = get_width(mtr); + dimm->mtype = MEM_DDR4; + dimm->edac_mode = EDAC_SECDED; /* likely better than this */ + snprintf(dimm->label, sizeof(dimm->label), "CPU_SrcID#%u_MC#%u_Chan#%u_DIMM#%u", + imc->src_id, imc->lmc, chan, dimmno); + + return 1; +} + +#define SKX_GET_MTMTR(dev, reg) \ + pci_read_config_dword((dev), 0x87c, ®) + +static bool skx_check_ecc(struct pci_dev *pdev) +{ + u32 mtmtr; + + SKX_GET_MTMTR(pdev, mtmtr); + + return !!GET_BITFIELD(mtmtr, 2, 2); +} + +static int skx_get_dimm_config(struct mem_ctl_info *mci) +{ + struct skx_pvt *pvt = mci->pvt_info; + struct skx_imc *imc = pvt->imc; + struct dimm_info *dimm; + int i, j; + u32 mtr, amap; + int ndimms; + + for (i = 0; i < NUM_CHANNELS; i++) { + ndimms = 0; + pci_read_config_dword(imc->chan[i].cdev, 0x8C, &amap); + for (j = 0; j < NUM_DIMMS; j++) { + dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms, + mci->n_layers, i, j, 0); + pci_read_config_dword(imc->chan[i].cdev, + 0x80 + 4*j, &mtr); + ndimms += get_dimm_info(mtr, amap, dimm, imc, i, j); + } + if (ndimms && !skx_check_ecc(imc->chan[0].cdev)) { + skx_printk(KERN_ERR, "ECC is disabled on imc %d\n", imc->mc); + return -ENODEV; + } + } + + return 0; +} + +static void skx_unregister_mci(struct skx_imc *imc) +{ + struct mem_ctl_info *mci = imc->mci; + + if (!mci) + return; + + edac_dbg(0, "MC%d: mci = %p\n", imc->mc, mci); + + /* Remove MC sysfs nodes */ + edac_mc_del_mc(mci->pdev); + + edac_dbg(1, "%s: free mci struct\n", mci->ctl_name); + kfree(mci->ctl_name); + edac_mc_free(mci); +} + +static int skx_register_mci(struct skx_imc *imc) +{ + struct mem_ctl_info *mci; + struct edac_mc_layer layers[2]; + struct pci_dev *pdev = imc->chan[0].cdev; + struct skx_pvt *pvt; + int rc; + + /* allocate a new MC control structure */ + layers[0].type = EDAC_MC_LAYER_CHANNEL; + layers[0].size = NUM_CHANNELS; + layers[0].is_virt_csrow = false; + layers[1].type = EDAC_MC_LAYER_SLOT; + layers[1].size = NUM_DIMMS; + layers[1].is_virt_csrow = true; + mci = edac_mc_alloc(imc->mc, ARRAY_SIZE(layers), layers, + sizeof(struct skx_pvt)); + + if (unlikely(!mci)) + return -ENOMEM; + + edac_dbg(0, "MC#%d: mci = %p\n", imc->mc, mci); + + /* Associate skx_dev and mci for future usage */ + imc->mci = mci; + pvt = mci->pvt_info; + pvt->imc = imc; + + mci->ctl_name = kasprintf(GFP_KERNEL, "Skylake Socket#%d IMC#%d", + imc->node_id, imc->lmc); + mci->mtype_cap = MEM_FLAG_DDR4; + mci->edac_ctl_cap = EDAC_FLAG_NONE; + mci->edac_cap = EDAC_FLAG_NONE; + mci->mod_name = "skx_edac.c"; + mci->dev_name = pci_name(imc->chan[0].cdev); + mci->mod_ver = SKX_REVISION; + mci->ctl_page_to_phys = NULL; + + rc = skx_get_dimm_config(mci); + if (rc < 0) + goto fail; + + /* record ptr to the generic device */ + mci->pdev = &pdev->dev; + + /* add this new MC control structure to EDAC's list of MCs */ + if (unlikely(edac_mc_add_mc(mci))) { + edac_dbg(0, "MC: failed edac_mc_add_mc()\n"); + rc = -EINVAL; + goto fail; + } + + return 0; + +fail: + kfree(mci->ctl_name); + edac_mc_free(mci); + imc->mci = NULL; + return rc; +} + +#define SKX_MAX_SAD 24 + +#define SKX_GET_SAD(d, i, reg) \ + pci_read_config_dword((d)->sad_all, 0x60 + 8 * (i), ®) +#define SKX_GET_ILV(d, i, reg) \ + pci_read_config_dword((d)->sad_all, 0x64 + 8 * (i), ®) + +#define SKX_SAD_MOD3MODE(sad) GET_BITFIELD((sad), 30, 31) +#define SKX_SAD_MOD3(sad) GET_BITFIELD((sad), 27, 27) +#define SKX_SAD_LIMIT(sad) (((u64)GET_BITFIELD((sad), 7, 26) << 26) | MASK26) +#define SKX_SAD_MOD3ASMOD2(sad) GET_BITFIELD((sad), 5, 6) +#define SKX_SAD_ATTR(sad) GET_BITFIELD((sad), 3, 4) +#define SKX_SAD_INTERLEAVE(sad) GET_BITFIELD((sad), 1, 2) +#define SKX_SAD_ENABLE(sad) GET_BITFIELD((sad), 0, 0) + +#define SKX_ILV_REMOTE(tgt) (((tgt) & 8) == 0) +#define SKX_ILV_TARGET(tgt) ((tgt) & 7) + +static bool skx_sad_decode(struct decoded_addr *res) +{ + struct skx_dev *d = list_first_entry(&skx_edac_list, typeof(*d), list); + u64 addr = res->addr; + int i, idx, tgt, lchan, shift; + u32 sad, ilv; + u64 limit, prev_limit; + int remote = 0; + + /* Simple sanity check for I/O space or out of range */ + if (addr >= skx_tohm || (addr >= skx_tolm && addr < BIT_ULL(32))) { + edac_dbg(0, "Address %llx out of range\n", addr); + return false; + } + +restart: + prev_limit = 0; + for (i = 0; i < SKX_MAX_SAD; i++) { + SKX_GET_SAD(d, i, sad); + limit = SKX_SAD_LIMIT(sad); + if (SKX_SAD_ENABLE(sad)) { + if (addr >= prev_limit && addr <= limit) + goto sad_found; + } + prev_limit = limit + 1; + } + edac_dbg(0, "No SAD entry for %llx\n", addr); + return false; + +sad_found: + SKX_GET_ILV(d, i, ilv); + + switch (SKX_SAD_INTERLEAVE(sad)) { + case 0: + idx = GET_BITFIELD(addr, 6, 8); + break; + case 1: + idx = GET_BITFIELD(addr, 8, 10); + break; + case 2: + idx = GET_BITFIELD(addr, 12, 14); + break; + case 3: + idx = GET_BITFIELD(addr, 30, 32); + break; + } + + tgt = GET_BITFIELD(ilv, 4 * idx, 4 * idx + 3); + + /* If point to another node, find it and start over */ + if (SKX_ILV_REMOTE(tgt)) { + if (remote) { + edac_dbg(0, "Double remote!\n"); + return false; + } + remote = 1; + list_for_each_entry(d, &skx_edac_list, list) { + if (d->imc[0].src_id == SKX_ILV_TARGET(tgt)) + goto restart; + } + edac_dbg(0, "Can't find node %d\n", SKX_ILV_TARGET(tgt)); + return false; + } + + if (SKX_SAD_MOD3(sad) == 0) + lchan = SKX_ILV_TARGET(tgt); + else { + switch (SKX_SAD_MOD3MODE(sad)) { + case 0: + shift = 6; + break; + case 1: + shift = 8; + break; + case 2: + shift = 12; + break; + default: + edac_dbg(0, "illegal mod3mode\n"); + return false; + } + switch (SKX_SAD_MOD3ASMOD2(sad)) { + case 0: + lchan = (addr >> shift) % 3; + break; + case 1: + lchan = (addr >> shift) % 2; + break; + case 2: + lchan = (addr >> shift) % 2; + lchan = (lchan << 1) | ~lchan; + break; + case 3: + lchan = ((addr >> shift) % 2) << 1; + break; + } + lchan = (lchan << 1) | (SKX_ILV_TARGET(tgt) & 1); + } + + res->dev = d; + res->socket = d->imc[0].src_id; + res->imc = GET_BITFIELD(d->mcroute, lchan * 3, lchan * 3 + 2); + res->channel = GET_BITFIELD(d->mcroute, lchan * 2 + 18, lchan * 2 + 19); + + edac_dbg(2, "%llx: socket=%d imc=%d channel=%d\n", + res->addr, res->socket, res->imc, res->channel); + return true; +} + +#define SKX_MAX_TAD 8 + +#define SKX_GET_TADBASE(d, mc, i, reg) \ + pci_read_config_dword((d)->imc[mc].chan[0].cdev, 0x850 + 4 * (i), ®) +#define SKX_GET_TADWAYNESS(d, mc, i, reg) \ + pci_read_config_dword((d)->imc[mc].chan[0].cdev, 0x880 + 4 * (i), ®) +#define SKX_GET_TADCHNILVOFFSET(d, mc, ch, i, reg) \ + pci_read_config_dword((d)->imc[mc].chan[ch].cdev, 0x90 + 4 * (i), ®) + +#define SKX_TAD_BASE(b) ((u64)GET_BITFIELD((b), 12, 31) << 26) +#define SKX_TAD_SKT_GRAN(b) GET_BITFIELD((b), 4, 5) +#define SKX_TAD_CHN_GRAN(b) GET_BITFIELD((b), 6, 7) +#define SKX_TAD_LIMIT(b) (((u64)GET_BITFIELD((b), 12, 31) << 26) | MASK26) +#define SKX_TAD_OFFSET(b) ((u64)GET_BITFIELD((b), 4, 23) << 26) +#define SKX_TAD_SKTWAYS(b) (1 << GET_BITFIELD((b), 10, 11)) +#define SKX_TAD_CHNWAYS(b) (GET_BITFIELD((b), 8, 9) + 1) + +/* which bit used for both socket and channel interleave */ +static int skx_granularity[] = { 6, 8, 12, 30 }; + +static u64 skx_do_interleave(u64 addr, int shift, int ways, u64 lowbits) +{ + addr >>= shift; + addr /= ways; + addr <<= shift; + + return addr | (lowbits & ((1ull << shift) - 1)); +} + +static bool skx_tad_decode(struct decoded_addr *res) +{ + int i; + u32 base, wayness, chnilvoffset; + int skt_interleave_bit, chn_interleave_bit; + u64 channel_addr; + + for (i = 0; i < SKX_MAX_TAD; i++) { + SKX_GET_TADBASE(res->dev, res->imc, i, base); + SKX_GET_TADWAYNESS(res->dev, res->imc, i, wayness); + if (SKX_TAD_BASE(base) <= res->addr && res->addr <= SKX_TAD_LIMIT(wayness)) + goto tad_found; + } + edac_dbg(0, "No TAD entry for %llx\n", res->addr); + return false; + +tad_found: + res->sktways = SKX_TAD_SKTWAYS(wayness); + res->chanways = SKX_TAD_CHNWAYS(wayness); + skt_interleave_bit = skx_granularity[SKX_TAD_SKT_GRAN(base)]; + chn_interleave_bit = skx_granularity[SKX_TAD_CHN_GRAN(base)]; + + SKX_GET_TADCHNILVOFFSET(res->dev, res->imc, res->channel, i, chnilvoffset); + channel_addr = res->addr - SKX_TAD_OFFSET(chnilvoffset); + + if (res->chanways == 3 && skt_interleave_bit > chn_interleave_bit) { + /* Must handle channel first, then socket */ + channel_addr = skx_do_interleave(channel_addr, chn_interleave_bit, + res->chanways, channel_addr); + channel_addr = skx_do_interleave(channel_addr, skt_interleave_bit, + res->sktways, channel_addr); + } else { + /* Handle socket then channel. Preserve low bits from original address */ + channel_addr = skx_do_interleave(channel_addr, skt_interleave_bit, + res->sktways, res->addr); + channel_addr = skx_do_interleave(channel_addr, chn_interleave_bit, + res->chanways, res->addr); + } + + res->chan_addr = channel_addr; + + edac_dbg(2, "%llx: chan_addr=%llx sktways=%d chanways=%d\n", + res->addr, res->chan_addr, res->sktways, res->chanways); + return true; +} + +#define SKX_MAX_RIR 4 + +#define SKX_GET_RIRWAYNESS(d, mc, ch, i, reg) \ + pci_read_config_dword((d)->imc[mc].chan[ch].cdev, \ + 0x108 + 4 * (i), ®) +#define SKX_GET_RIRILV(d, mc, ch, idx, i, reg) \ + pci_read_config_dword((d)->imc[mc].chan[ch].cdev, \ + 0x120 + 16 * idx + 4 * (i), ®) + +#define SKX_RIR_VALID(b) GET_BITFIELD((b), 31, 31) +#define SKX_RIR_LIMIT(b) (((u64)GET_BITFIELD((b), 1, 11) << 29) | MASK29) +#define SKX_RIR_WAYS(b) (1 << GET_BITFIELD((b), 28, 29)) +#define SKX_RIR_CHAN_RANK(b) GET_BITFIELD((b), 16, 19) +#define SKX_RIR_OFFSET(b) ((u64)(GET_BITFIELD((b), 2, 15) << 26)) + +static bool skx_rir_decode(struct decoded_addr *res) +{ + int i, idx, chan_rank; + int shift; + u32 rirway, rirlv; + u64 rank_addr, prev_limit = 0, limit; + + if (res->dev->imc[res->imc].chan[res->channel].dimms[0].close_pg) + shift = 6; + else + shift = 13; + + for (i = 0; i < SKX_MAX_RIR; i++) { + SKX_GET_RIRWAYNESS(res->dev, res->imc, res->channel, i, rirway); + limit = SKX_RIR_LIMIT(rirway); + if (SKX_RIR_VALID(rirway)) { + if (prev_limit <= res->chan_addr && + res->chan_addr <= limit) + goto rir_found; + } + prev_limit = limit; + } + edac_dbg(0, "No RIR entry for %llx\n", res->addr); + return false; + +rir_found: + rank_addr = res->chan_addr >> shift; + rank_addr /= SKX_RIR_WAYS(rirway); + rank_addr <<= shift; + rank_addr |= res->chan_addr & GENMASK_ULL(shift - 1, 0); + + res->rank_address = rank_addr; + idx = (res->chan_addr >> shift) % SKX_RIR_WAYS(rirway); + + SKX_GET_RIRILV(res->dev, res->imc, res->channel, idx, i, rirlv); + res->rank_address = rank_addr - SKX_RIR_OFFSET(rirlv); + chan_rank = SKX_RIR_CHAN_RANK(rirlv); + res->channel_rank = chan_rank; + res->dimm = chan_rank / 4; + res->rank = chan_rank % 4; + + edac_dbg(2, "%llx: dimm=%d rank=%d chan_rank=%d rank_addr=%llx\n", + res->addr, res->dimm, res->rank, + res->channel_rank, res->rank_address); + return true; +} + +static u8 skx_close_row[] = { + 15, 16, 17, 18, 20, 21, 22, 28, 10, 11, 12, 13, 29, 30, 31, 32, 33 +}; +static u8 skx_close_column[] = { + 3, 4, 5, 14, 19, 23, 24, 25, 26, 27 +}; +static u8 skx_open_row[] = { + 14, 15, 16, 20, 28, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33 +}; +static u8 skx_open_column[] = { + 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 +}; +static u8 skx_open_fine_column[] = { + 3, 4, 5, 7, 8, 9, 10, 11, 12, 13 +}; + +static int skx_bits(u64 addr, int nbits, u8 *bits) +{ + int i, res = 0; + + for (i = 0; i < nbits; i++) + res |= ((addr >> bits[i]) & 1) << i; + return res; +} + +static int skx_bank_bits(u64 addr, int b0, int b1, int do_xor, int x0, int x1) +{ + int ret = GET_BITFIELD(addr, b0, b0) | (GET_BITFIELD(addr, b1, b1) << 1); + + if (do_xor) + ret ^= GET_BITFIELD(addr, x0, x0) | (GET_BITFIELD(addr, x1, x1) << 1); + + return ret; +} + +static bool skx_mad_decode(struct decoded_addr *r) +{ + struct skx_dimm *dimm = &r->dev->imc[r->imc].chan[r->channel].dimms[r->dimm]; + int bg0 = dimm->fine_grain_bank ? 6 : 13; + + if (dimm->close_pg) { + r->row = skx_bits(r->rank_address, dimm->rowbits, skx_close_row); + r->column = skx_bits(r->rank_address, dimm->colbits, skx_close_column); + r->column |= 0x400; /* C10 is autoprecharge, always set */ + r->bank_address = skx_bank_bits(r->rank_address, 8, 9, dimm->bank_xor_enable, 22, 28); + r->bank_group = skx_bank_bits(r->rank_address, 6, 7, dimm->bank_xor_enable, 20, 21); + } else { + r->row = skx_bits(r->rank_address, dimm->rowbits, skx_open_row); + if (dimm->fine_grain_bank) + r->column = skx_bits(r->rank_address, dimm->colbits, skx_open_fine_column); + else + r->column = skx_bits(r->rank_address, dimm->colbits, skx_open_column); + r->bank_address = skx_bank_bits(r->rank_address, 18, 19, dimm->bank_xor_enable, 22, 23); + r->bank_group = skx_bank_bits(r->rank_address, bg0, 17, dimm->bank_xor_enable, 20, 21); + } + r->row &= (1u << dimm->rowbits) - 1; + + edac_dbg(2, "%llx: row=%x col=%x bank_addr=%d bank_group=%d\n", + r->addr, r->row, r->column, r->bank_address, + r->bank_group); + return true; +} + +static bool skx_decode(struct decoded_addr *res) +{ + + return skx_sad_decode(res) && skx_tad_decode(res) && + skx_rir_decode(res) && skx_mad_decode(res); +} + +#ifdef CONFIG_EDAC_DEBUG +/* + * Debug feature. Make /sys/kernel/debug/skx_edac_test/addr. + * Write an address to this file to exercise the address decode + * logic in this driver. + */ +static struct dentry *skx_test; +static u64 skx_fake_addr; + +static int debugfs_u64_set(void *data, u64 val) +{ + struct decoded_addr res; + + res.addr = val; + skx_decode(&res); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(fops_u64_wo, NULL, debugfs_u64_set, "%llu\n"); + +static struct dentry *mydebugfs_create(const char *name, umode_t mode, + struct dentry *parent, u64 *value) +{ + return debugfs_create_file(name, mode, parent, value, &fops_u64_wo); +} + +static void setup_skx_debug(void) +{ + skx_test = debugfs_create_dir("skx_edac_test", NULL); + mydebugfs_create("addr", S_IWUSR, skx_test, &skx_fake_addr); +} + +static void teardown_skx_debug(void) +{ + debugfs_remove_recursive(skx_test); +} +#else +static void setup_skx_debug(void) +{ +} + +static void teardown_skx_debug(void) +{ +} +#endif /*CONFIG_EDAC_DEBUG*/ + +static void skx_mce_output_error(struct mem_ctl_info *mci, + const struct mce *m, + struct decoded_addr *res) +{ + enum hw_event_mc_err_type tp_event; + char *type, *optype, msg[256]; + bool ripv = GET_BITFIELD(m->mcgstatus, 0, 0); + bool overflow = GET_BITFIELD(m->status, 62, 62); + bool uncorrected_error = GET_BITFIELD(m->status, 61, 61); + bool recoverable; + u32 core_err_cnt = GET_BITFIELD(m->status, 38, 52); + u32 mscod = GET_BITFIELD(m->status, 16, 31); + u32 errcode = GET_BITFIELD(m->status, 0, 15); + u32 optypenum = GET_BITFIELD(m->status, 4, 6); + + recoverable = GET_BITFIELD(m->status, 56, 56); + + if (uncorrected_error) { + if (ripv) { + type = "FATAL"; + tp_event = HW_EVENT_ERR_FATAL; + } else { + type = "NON_FATAL"; + tp_event = HW_EVENT_ERR_UNCORRECTED; + } + } else { + type = "CORRECTED"; + tp_event = HW_EVENT_ERR_CORRECTED; + } + + /* + * According with Table 15-9 of the Intel Architecture spec vol 3A, + * memory errors should fit in this mask: + * 000f 0000 1mmm cccc (binary) + * where: + * f = Correction Report Filtering Bit. If 1, subsequent errors + * won't be shown + * mmm = error type + * cccc = channel + * If the mask doesn't match, report an error to the parsing logic + */ + if (!((errcode & 0xef80) == 0x80)) { + optype = "Can't parse: it is not a mem"; + } else { + switch (optypenum) { + case 0: + optype = "generic undef request error"; + break; + case 1: + optype = "memory read error"; + break; + case 2: + optype = "memory write error"; + break; + case 3: + optype = "addr/cmd error"; + break; + case 4: + optype = "memory scrubbing error"; + break; + default: + optype = "reserved"; + break; + } + } + + snprintf(msg, sizeof(msg), + "%s%s err_code:%04x:%04x socket:%d imc:%d rank:%d bg:%d ba:%d row:%x col:%x", + overflow ? " OVERFLOW" : "", + (uncorrected_error && recoverable) ? " recoverable" : "", + mscod, errcode, + res->socket, res->imc, res->rank, + res->bank_group, res->bank_address, res->row, res->column); + + edac_dbg(0, "%s\n", msg); + + /* Call the helper to output message */ + edac_mc_handle_error(tp_event, mci, core_err_cnt, + m->addr >> PAGE_SHIFT, m->addr & ~PAGE_MASK, 0, + res->channel, res->dimm, -1, + optype, msg); +} + +static int skx_mce_check_error(struct notifier_block *nb, unsigned long val, + void *data) +{ + struct mce *mce = (struct mce *)data; + struct decoded_addr res; + struct mem_ctl_info *mci; + char *type; + + if (get_edac_report_status() == EDAC_REPORTING_DISABLED) + return NOTIFY_DONE; + + /* ignore unless this is memory related with an address */ + if ((mce->status & 0xefff) >> 7 != 1 || !(mce->status & MCI_STATUS_ADDRV)) + return NOTIFY_DONE; + + res.addr = mce->addr; + if (!skx_decode(&res)) + return NOTIFY_DONE; + mci = res.dev->imc[res.imc].mci; + + if (mce->mcgstatus & MCG_STATUS_MCIP) + type = "Exception"; + else + type = "Event"; + + skx_mc_printk(mci, KERN_DEBUG, "HANDLING MCE MEMORY ERROR\n"); + + skx_mc_printk(mci, KERN_DEBUG, "CPU %d: Machine Check %s: %Lx " + "Bank %d: %016Lx\n", mce->extcpu, type, + mce->mcgstatus, mce->bank, mce->status); + skx_mc_printk(mci, KERN_DEBUG, "TSC %llx ", mce->tsc); + skx_mc_printk(mci, KERN_DEBUG, "ADDR %llx ", mce->addr); + skx_mc_printk(mci, KERN_DEBUG, "MISC %llx ", mce->misc); + + skx_mc_printk(mci, KERN_DEBUG, "PROCESSOR %u:%x TIME %llu SOCKET " + "%u APIC %x\n", mce->cpuvendor, mce->cpuid, + mce->time, mce->socketid, mce->apicid); + + skx_mce_output_error(mci, mce, &res); + + return NOTIFY_DONE; +} + +static struct notifier_block skx_mce_dec = { + .notifier_call = skx_mce_check_error, +}; + +static void skx_remove(void) +{ + int i, j; + struct skx_dev *d, *tmp; + + edac_dbg(0, "\n"); + + list_for_each_entry_safe(d, tmp, &skx_edac_list, list) { + list_del(&d->list); + for (i = 0; i < NUM_IMC; i++) { + skx_unregister_mci(&d->imc[i]); + for (j = 0; j < NUM_CHANNELS; j++) + pci_dev_put(d->imc[i].chan[j].cdev); + } + pci_dev_put(d->util_all); + pci_dev_put(d->sad_all); + + kfree(d); + } +} + +/* + * skx_init: + * make sure we are running on the correct cpu model + * search for all the devices we need + * check which DIMMs are present. + */ +int __init skx_init(void) +{ + const struct x86_cpu_id *id; + const struct munit *m; + int rc = 0, i; + u8 mc = 0, src_id, node_id; + struct skx_dev *d; + + edac_dbg(2, "\n"); + + id = x86_match_cpu(skx_cpuids); + if (!id) + return -ENODEV; + + rc = skx_get_hi_lo(); + if (rc) + return rc; + + rc = get_all_bus_mappings(); + if (rc < 0) + goto fail; + if (rc == 0) { + edac_dbg(2, "No memory controllers found\n"); + return -ENODEV; + } + + for (m = skx_all_munits; m->did; m++) { + rc = get_all_munits(m); + if (rc < 0) + goto fail; + if (rc != m->per_socket * skx_num_sockets) { + edac_dbg(2, "Expected %d, got %d of %x\n", + m->per_socket * skx_num_sockets, rc, m->did); + rc = -ENODEV; + goto fail; + } + } + + list_for_each_entry(d, &skx_edac_list, list) { + src_id = get_src_id(d); + node_id = skx_get_node_id(d); + edac_dbg(2, "src_id=%d node_id=%d\n", src_id, node_id); + for (i = 0; i < NUM_IMC; i++) { + d->imc[i].mc = mc++; + d->imc[i].lmc = i; + d->imc[i].src_id = src_id; + d->imc[i].node_id = node_id; + rc = skx_register_mci(&d->imc[i]); + if (rc < 0) + goto fail; + } + } + + /* Ensure that the OPSTATE is set correctly for POLL or NMI */ + opstate_init(); + + setup_skx_debug(); + + mce_register_decode_chain(&skx_mce_dec); + + return 0; +fail: + skx_remove(); + return rc; +} + +static void __exit skx_exit(void) +{ + edac_dbg(2, "\n"); + mce_unregister_decode_chain(&skx_mce_dec); + skx_remove(); + teardown_skx_debug(); +} + +module_init(skx_init); +module_exit(skx_exit); + +module_param(edac_op_state, int, 0444); +MODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll,1=NMI"); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Tony Luck"); +MODULE_DESCRIPTION("MC Driver for Intel Skylake server processors"); diff --git a/drivers/firmware/arm_scpi.c b/drivers/firmware/arm_scpi.c index 438893762076..ce2bc2a38101 100644 --- a/drivers/firmware/arm_scpi.c +++ b/drivers/firmware/arm_scpi.c @@ -709,9 +709,10 @@ static int scpi_probe(struct platform_device *pdev) struct mbox_client *cl = &pchan->cl; struct device_node *shmem = of_parse_phandle(np, "shmem", idx); - if (of_address_to_resource(shmem, 0, &res)) { + ret = of_address_to_resource(shmem, 0, &res); + of_node_put(shmem); + if (ret) { dev_err(dev, "failed to get SCPI payload mem resource\n"); - ret = -EINVAL; goto err; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 8ebc5f1eb4c0..8c704c86597b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -646,9 +646,9 @@ int amdgpu_gart_table_vram_pin(struct amdgpu_device *adev); void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev); int amdgpu_gart_init(struct amdgpu_device *adev); void amdgpu_gart_fini(struct amdgpu_device *adev); -void amdgpu_gart_unbind(struct amdgpu_device *adev, unsigned offset, +void amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset, int pages); -int amdgpu_gart_bind(struct amdgpu_device *adev, unsigned offset, +int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, int pages, struct page **pagelist, dma_addr_t *dma_addr, uint32_t flags); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c index 49de92600074..10b5ddf2c588 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c @@ -200,16 +200,7 @@ static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx) atpx->is_hybrid = false; if (valid_bits & ATPX_MS_HYBRID_GFX_SUPPORTED) { printk("ATPX Hybrid Graphics\n"); -#if 1 - /* This is a temporary hack until the D3 cold support - * makes it upstream. The ATPX power_control method seems - * to still work on even if the system should be using - * the new standardized hybrid D3 cold ACPI interface. - */ - atpx->functions.power_cntl = true; -#else atpx->functions.power_cntl = false; -#endif atpx->is_hybrid = true; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index 921bce2df0b0..0feea347f680 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -221,7 +221,7 @@ void amdgpu_gart_table_vram_free(struct amdgpu_device *adev) * Unbinds the requested pages from the gart page table and * replaces them with the dummy page (all asics). */ -void amdgpu_gart_unbind(struct amdgpu_device *adev, unsigned offset, +void amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset, int pages) { unsigned t; @@ -268,7 +268,7 @@ void amdgpu_gart_unbind(struct amdgpu_device *adev, unsigned offset, * (all asics). * Returns 0 for success, -EINVAL for failure. */ -int amdgpu_gart_bind(struct amdgpu_device *adev, unsigned offset, +int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, int pages, struct page **pagelist, dma_addr_t *dma_addr, uint32_t flags) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index b11f4e8868d7..4aa993d19018 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -1187,7 +1187,8 @@ int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout) r = 0; } -error: fence_put(fence); + +error: return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 8e642fc48df4..80120fa4092c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1535,7 +1535,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm) r = amd_sched_entity_init(&ring->sched, &vm->entity, rq, amdgpu_sched_jobs); if (r) - return r; + goto err; vm->page_directory_fence = NULL; @@ -1565,6 +1565,9 @@ error_free_page_directory: error_free_sched_entity: amd_sched_entity_fini(&ring->sched, &vm->entity); +err: + drm_free_large(vm->page_tables); + return r; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c index e621eba63126..a7d3cb3fead0 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c @@ -184,7 +184,7 @@ u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, sizeof(u32)) + inx; pr_debug("kfd: get kernel queue doorbell\n" - " doorbell offset == 0x%08d\n" + " doorbell offset == 0x%08X\n" " kernel address == 0x%08lX\n", *doorbell_off, (uintptr_t)(kfd->doorbell_kernel_ptr + inx)); diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index ce54e985d91b..0a06f9120b5a 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -464,7 +464,7 @@ static bool drm_fb_helper_is_bound(struct drm_fb_helper *fb_helper) /* Sometimes user space wants everything disabled, so don't steal the * display if there's a master. */ - if (lockless_dereference(dev->master)) + if (READ_ONCE(dev->master)) return false; drm_for_each_crtc(crtc, dev) { diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 87ef34150d46..b382cf505262 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -1333,8 +1333,6 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu, if (ret < 0) return ret; - mutex_lock(&gpu->lock); - /* * TODO * @@ -1348,16 +1346,18 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu, if (unlikely(event == ~0U)) { DRM_ERROR("no free event\n"); ret = -EBUSY; - goto out_unlock; + goto out_pm_put; } fence = etnaviv_gpu_fence_alloc(gpu); if (!fence) { event_free(gpu, event); ret = -ENOMEM; - goto out_unlock; + goto out_pm_put; } + mutex_lock(&gpu->lock); + gpu->event[event].fence = fence; submit->fence = fence->seqno; gpu->active_fence = submit->fence; @@ -1395,9 +1395,9 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu, hangcheck_timer_reset(gpu); ret = 0; -out_unlock: mutex_unlock(&gpu->lock); +out_pm_put: etnaviv_gpu_pm_put(gpu); return ret; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 21f939074abc..20fe9d52e256 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1854,6 +1854,7 @@ struct drm_i915_private { enum modeset_restore modeset_restore; struct mutex modeset_restore_lock; struct drm_atomic_state *modeset_restore_state; + struct drm_modeset_acquire_ctx reset_ctx; struct list_head vm_list; /* Global list of all address spaces */ struct i915_ggtt ggtt; /* VM representing the global address space */ diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 11681501d7b1..a77ce9983f69 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -879,9 +879,12 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data, ret = i915_gem_shmem_pread(dev, obj, args, file); /* pread for non shmem backed objects */ - if (ret == -EFAULT || ret == -ENODEV) + if (ret == -EFAULT || ret == -ENODEV) { + intel_runtime_pm_get(to_i915(dev)); ret = i915_gem_gtt_pread(dev, obj, args->size, args->offset, args->data_ptr); + intel_runtime_pm_put(to_i915(dev)); + } out: drm_gem_object_unreference(&obj->base); @@ -1306,7 +1309,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, * textures). Fallback to the shmem path in that case. */ } - if (ret == -EFAULT) { + if (ret == -EFAULT || ret == -ENOSPC) { if (obj->phys_handle) ret = i915_gem_phys_pwrite(obj, args, file); else if (i915_gem_object_has_struct_page(obj)) @@ -3169,6 +3172,8 @@ static void i915_gem_reset_engine_cleanup(struct intel_engine_cs *engine) } intel_ring_init_seqno(engine, engine->last_submitted_seqno); + + engine->i915->gt.active_engines &= ~intel_engine_flag(engine); } void i915_gem_reset(struct drm_device *dev) @@ -3186,6 +3191,7 @@ void i915_gem_reset(struct drm_device *dev) for_each_engine(engine, dev_priv) i915_gem_reset_engine_cleanup(engine); + mod_delayed_work(dev_priv->wq, &dev_priv->gt.idle_work, 0); i915_gem_context_reset(dev); diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 10f1e32767e6..7a30af79d799 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -2873,6 +2873,7 @@ void i915_ggtt_cleanup_hw(struct drm_device *dev) struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; ppgtt->base.cleanup(&ppgtt->base); + kfree(ppgtt); } i915_gem_cleanup_stolen(dev); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index ce14fe09d962..5c06413ae0e6 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1536,6 +1536,7 @@ enum skl_disp_power_wells { #define BALANCE_LEG_MASK(port) (7<<(8+3*(port))) /* Balance leg disable bits */ #define BALANCE_LEG_DISABLE_SHIFT 23 +#define BALANCE_LEG_DISABLE(port) (1 << (23 + (port))) /* * Fence registers diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 6700a7be7f78..d32f586f9c05 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -600,6 +600,8 @@ static void i915_audio_component_codec_wake_override(struct device *dev, if (!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv)) return; + i915_audio_component_get_power(dev); + /* * Enable/disable generating the codec wake signal, overriding the * internal logic to generate the codec wake to controller. @@ -615,6 +617,8 @@ static void i915_audio_component_codec_wake_override(struct device *dev, I915_WRITE(HSW_AUD_CHICKENBIT, tmp); usleep_range(1000, 1500); } + + i915_audio_component_put_power(dev); } /* Get CDCLK in kHz */ @@ -648,6 +652,7 @@ static int i915_audio_component_sync_audio_rate(struct device *dev, !IS_HASWELL(dev_priv)) return 0; + i915_audio_component_get_power(dev); mutex_lock(&dev_priv->av_mutex); /* 1. get the pipe */ intel_encoder = dev_priv->dig_port_map[port]; @@ -698,6 +703,7 @@ static int i915_audio_component_sync_audio_rate(struct device *dev, unlock: mutex_unlock(&dev_priv->av_mutex); + i915_audio_component_put_power(dev); return err; } diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index dd1d6fe12297..1a7efac65fd5 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -145,7 +145,7 @@ static const struct ddi_buf_trans skl_ddi_translations_dp[] = { static const struct ddi_buf_trans skl_u_ddi_translations_dp[] = { { 0x0000201B, 0x000000A2, 0x0 }, { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000CD, 0x0 }, + { 0x80007011, 0x000000CD, 0x1 }, { 0x80009010, 0x000000C0, 0x1 }, { 0x0000201B, 0x0000009D, 0x0 }, { 0x80005012, 0x000000C0, 0x1 }, @@ -158,7 +158,7 @@ static const struct ddi_buf_trans skl_u_ddi_translations_dp[] = { static const struct ddi_buf_trans skl_y_ddi_translations_dp[] = { { 0x00000018, 0x000000A2, 0x0 }, { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000CD, 0x0 }, + { 0x80007011, 0x000000CD, 0x3 }, { 0x80009010, 0x000000C0, 0x3 }, { 0x00000018, 0x0000009D, 0x0 }, { 0x80005012, 0x000000C0, 0x3 }, @@ -388,6 +388,40 @@ skl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries) } } +static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port port) +{ + int n_hdmi_entries; + int hdmi_level; + int hdmi_default_entry; + + hdmi_level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift; + + if (IS_BROXTON(dev_priv)) + return hdmi_level; + + if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { + skl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries); + hdmi_default_entry = 8; + } else if (IS_BROADWELL(dev_priv)) { + n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); + hdmi_default_entry = 7; + } else if (IS_HASWELL(dev_priv)) { + n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi); + hdmi_default_entry = 6; + } else { + WARN(1, "ddi translation table missing\n"); + n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); + hdmi_default_entry = 7; + } + + /* Choose a good default if VBT is badly populated */ + if (hdmi_level == HDMI_LEVEL_SHIFT_UNKNOWN || + hdmi_level >= n_hdmi_entries) + hdmi_level = hdmi_default_entry; + + return hdmi_level; +} + /* * Starting with Haswell, DDI port buffers must be programmed with correct * values in advance. The buffer values are different for FDI and DP modes, @@ -399,7 +433,7 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); u32 iboost_bit = 0; - int i, n_hdmi_entries, n_dp_entries, n_edp_entries, hdmi_default_entry, + int i, n_hdmi_entries, n_dp_entries, n_edp_entries, size; int hdmi_level; enum port port; @@ -410,7 +444,7 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder) const struct ddi_buf_trans *ddi_translations; port = intel_ddi_get_encoder_port(encoder); - hdmi_level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift; + hdmi_level = intel_ddi_hdmi_level(dev_priv, port); if (IS_BROXTON(dev_priv)) { if (encoder->type != INTEL_OUTPUT_HDMI) @@ -430,7 +464,6 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder) skl_get_buf_trans_edp(dev_priv, &n_edp_entries); ddi_translations_hdmi = skl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries); - hdmi_default_entry = 8; /* If we're boosting the current, set bit 31 of trans1 */ if (dev_priv->vbt.ddi_port_info[port].hdmi_boost_level || dev_priv->vbt.ddi_port_info[port].dp_boost_level) @@ -456,7 +489,6 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder) n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp); n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); - hdmi_default_entry = 7; } else if (IS_HASWELL(dev_priv)) { ddi_translations_fdi = hsw_ddi_translations_fdi; ddi_translations_dp = hsw_ddi_translations_dp; @@ -464,7 +496,6 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder) ddi_translations_hdmi = hsw_ddi_translations_hdmi; n_dp_entries = n_edp_entries = ARRAY_SIZE(hsw_ddi_translations_dp); n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi); - hdmi_default_entry = 6; } else { WARN(1, "ddi translation table missing\n"); ddi_translations_edp = bdw_ddi_translations_dp; @@ -474,7 +505,6 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder) n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp); n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp); n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); - hdmi_default_entry = 7; } switch (encoder->type) { @@ -505,11 +535,6 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder) if (encoder->type != INTEL_OUTPUT_HDMI) return; - /* Choose a good default if VBT is badly populated */ - if (hdmi_level == HDMI_LEVEL_SHIFT_UNKNOWN || - hdmi_level >= n_hdmi_entries) - hdmi_level = hdmi_default_entry; - /* Entry 9 is for HDMI: */ I915_WRITE(DDI_BUF_TRANS_LO(port, i), ddi_translations_hdmi[hdmi_level].trans1 | iboost_bit); @@ -1379,14 +1404,30 @@ void intel_ddi_disable_pipe_clock(struct intel_crtc *intel_crtc) TRANS_CLK_SEL_DISABLED); } -static void skl_ddi_set_iboost(struct drm_i915_private *dev_priv, - u32 level, enum port port, int type) +static void _skl_ddi_set_iboost(struct drm_i915_private *dev_priv, + enum port port, uint8_t iboost) { + u32 tmp; + + tmp = I915_READ(DISPIO_CR_TX_BMU_CR0); + tmp &= ~(BALANCE_LEG_MASK(port) | BALANCE_LEG_DISABLE(port)); + if (iboost) + tmp |= iboost << BALANCE_LEG_SHIFT(port); + else + tmp |= BALANCE_LEG_DISABLE(port); + I915_WRITE(DISPIO_CR_TX_BMU_CR0, tmp); +} + +static void skl_ddi_set_iboost(struct intel_encoder *encoder, u32 level) +{ + struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base); + struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev); + enum port port = intel_dig_port->port; + int type = encoder->type; const struct ddi_buf_trans *ddi_translations; uint8_t iboost; uint8_t dp_iboost, hdmi_iboost; int n_entries; - u32 reg; /* VBT may override standard boost values */ dp_iboost = dev_priv->vbt.ddi_port_info[port].dp_boost_level; @@ -1428,16 +1469,10 @@ static void skl_ddi_set_iboost(struct drm_i915_private *dev_priv, return; } - reg = I915_READ(DISPIO_CR_TX_BMU_CR0); - reg &= ~BALANCE_LEG_MASK(port); - reg &= ~(1 << (BALANCE_LEG_DISABLE_SHIFT + port)); - - if (iboost) - reg |= iboost << BALANCE_LEG_SHIFT(port); - else - reg |= 1 << (BALANCE_LEG_DISABLE_SHIFT + port); + _skl_ddi_set_iboost(dev_priv, port, iboost); - I915_WRITE(DISPIO_CR_TX_BMU_CR0, reg); + if (port == PORT_A && intel_dig_port->max_lanes == 4) + _skl_ddi_set_iboost(dev_priv, PORT_E, iboost); } static void bxt_ddi_vswing_sequence(struct drm_i915_private *dev_priv, @@ -1568,7 +1603,7 @@ uint32_t ddi_signal_levels(struct intel_dp *intel_dp) level = translate_signal_level(signal_levels); if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) - skl_ddi_set_iboost(dev_priv, level, port, encoder->type); + skl_ddi_set_iboost(encoder, level); else if (IS_BROXTON(dev_priv)) bxt_ddi_vswing_sequence(dev_priv, level, port, encoder->type); @@ -1637,6 +1672,10 @@ static void intel_ddi_pre_enable(struct intel_encoder *intel_encoder) intel_dp_stop_link_train(intel_dp); } else if (type == INTEL_OUTPUT_HDMI) { struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); + int level = intel_ddi_hdmi_level(dev_priv, port); + + if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) + skl_ddi_set_iboost(intel_encoder, level); intel_hdmi->set_infoframes(encoder, crtc->config->has_hdmi_sink, diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index dcf93b3d4fb6..2a751b6e0253 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3093,40 +3093,110 @@ static void intel_update_primary_planes(struct drm_device *dev) for_each_crtc(dev, crtc) { struct intel_plane *plane = to_intel_plane(crtc->primary); - struct intel_plane_state *plane_state; - - drm_modeset_lock_crtc(crtc, &plane->base); - plane_state = to_intel_plane_state(plane->base.state); + struct intel_plane_state *plane_state = + to_intel_plane_state(plane->base.state); if (plane_state->visible) plane->update_plane(&plane->base, to_intel_crtc_state(crtc->state), plane_state); + } +} + +static int +__intel_display_resume(struct drm_device *dev, + struct drm_atomic_state *state) +{ + struct drm_crtc_state *crtc_state; + struct drm_crtc *crtc; + int i, ret; + + intel_modeset_setup_hw_state(dev); + i915_redisable_vga(dev); - drm_modeset_unlock_crtc(crtc); + if (!state) + return 0; + + for_each_crtc_in_state(state, crtc, crtc_state, i) { + /* + * Force recalculation even if we restore + * current state. With fast modeset this may not result + * in a modeset when the state is compatible. + */ + crtc_state->mode_changed = true; } + + /* ignore any reset values/BIOS leftovers in the WM registers */ + to_intel_atomic_state(state)->skip_intermediate_wm = true; + + ret = drm_atomic_commit(state); + + WARN_ON(ret == -EDEADLK); + return ret; } void intel_prepare_reset(struct drm_i915_private *dev_priv) { + struct drm_device *dev = &dev_priv->drm; + struct drm_modeset_acquire_ctx *ctx = &dev_priv->reset_ctx; + struct drm_atomic_state *state; + int ret; + /* no reset support for gen2 */ if (IS_GEN2(dev_priv)) return; - /* reset doesn't touch the display */ + /* + * Need mode_config.mutex so that we don't + * trample ongoing ->detect() and whatnot. + */ + mutex_lock(&dev->mode_config.mutex); + drm_modeset_acquire_init(ctx, 0); + while (1) { + ret = drm_modeset_lock_all_ctx(dev, ctx); + if (ret != -EDEADLK) + break; + + drm_modeset_backoff(ctx); + } + + /* reset doesn't touch the display, but flips might get nuked anyway, */ if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv)) return; - drm_modeset_lock_all(&dev_priv->drm); /* * Disabling the crtcs gracefully seems nicer. Also the * g33 docs say we should at least disable all the planes. */ - intel_display_suspend(&dev_priv->drm); + state = drm_atomic_helper_duplicate_state(dev, ctx); + if (IS_ERR(state)) { + ret = PTR_ERR(state); + state = NULL; + DRM_ERROR("Duplicating state failed with %i\n", ret); + goto err; + } + + ret = drm_atomic_helper_disable_all(dev, ctx); + if (ret) { + DRM_ERROR("Suspending crtc's failed with %i\n", ret); + goto err; + } + + dev_priv->modeset_restore_state = state; + state->acquire_ctx = ctx; + return; + +err: + drm_atomic_state_free(state); } void intel_finish_reset(struct drm_i915_private *dev_priv) { + struct drm_device *dev = &dev_priv->drm; + struct drm_modeset_acquire_ctx *ctx = &dev_priv->reset_ctx; + struct drm_atomic_state *state = dev_priv->modeset_restore_state; + int ret; + /* * Flips in the rings will be nuked by the reset, * so complete all pending flips so that user space @@ -3138,6 +3208,8 @@ void intel_finish_reset(struct drm_i915_private *dev_priv) if (IS_GEN2(dev_priv)) return; + dev_priv->modeset_restore_state = NULL; + /* reset doesn't touch the display */ if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv)) { /* @@ -3149,29 +3221,32 @@ void intel_finish_reset(struct drm_i915_private *dev_priv) * FIXME: Atomic will make this obsolete since we won't schedule * CS-based flips (which might get lost in gpu resets) any more. */ - intel_update_primary_planes(&dev_priv->drm); - return; - } - - /* - * The display has been reset as well, - * so need a full re-initialization. - */ - intel_runtime_pm_disable_interrupts(dev_priv); - intel_runtime_pm_enable_interrupts(dev_priv); + intel_update_primary_planes(dev); + } else { + /* + * The display has been reset as well, + * so need a full re-initialization. + */ + intel_runtime_pm_disable_interrupts(dev_priv); + intel_runtime_pm_enable_interrupts(dev_priv); - intel_modeset_init_hw(&dev_priv->drm); + intel_modeset_init_hw(dev); - spin_lock_irq(&dev_priv->irq_lock); - if (dev_priv->display.hpd_irq_setup) - dev_priv->display.hpd_irq_setup(dev_priv); - spin_unlock_irq(&dev_priv->irq_lock); + spin_lock_irq(&dev_priv->irq_lock); + if (dev_priv->display.hpd_irq_setup) + dev_priv->display.hpd_irq_setup(dev_priv); + spin_unlock_irq(&dev_priv->irq_lock); - intel_display_resume(&dev_priv->drm); + ret = __intel_display_resume(dev, state); + if (ret) + DRM_ERROR("Restoring old state failed with %i\n", ret); - intel_hpd_init(dev_priv); + intel_hpd_init(dev_priv); + } - drm_modeset_unlock_all(&dev_priv->drm); + drm_modeset_drop_locks(ctx); + drm_modeset_acquire_fini(ctx); + mutex_unlock(&dev->mode_config.mutex); } static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) @@ -16156,9 +16231,10 @@ void intel_display_resume(struct drm_device *dev) struct drm_atomic_state *state = dev_priv->modeset_restore_state; struct drm_modeset_acquire_ctx ctx; int ret; - bool setup = false; dev_priv->modeset_restore_state = NULL; + if (state) + state->acquire_ctx = &ctx; /* * This is a cludge because with real atomic modeset mode_config.mutex @@ -16169,43 +16245,17 @@ void intel_display_resume(struct drm_device *dev) mutex_lock(&dev->mode_config.mutex); drm_modeset_acquire_init(&ctx, 0); -retry: - ret = drm_modeset_lock_all_ctx(dev, &ctx); - - if (ret == 0 && !setup) { - setup = true; - - intel_modeset_setup_hw_state(dev); - i915_redisable_vga(dev); - } - - if (ret == 0 && state) { - struct drm_crtc_state *crtc_state; - struct drm_crtc *crtc; - int i; - - state->acquire_ctx = &ctx; - - /* ignore any reset values/BIOS leftovers in the WM registers */ - to_intel_atomic_state(state)->skip_intermediate_wm = true; - - for_each_crtc_in_state(state, crtc, crtc_state, i) { - /* - * Force recalculation even if we restore - * current state. With fast modeset this may not result - * in a modeset when the state is compatible. - */ - crtc_state->mode_changed = true; - } - - ret = drm_atomic_commit(state); - } + while (1) { + ret = drm_modeset_lock_all_ctx(dev, &ctx); + if (ret != -EDEADLK) + break; - if (ret == -EDEADLK) { drm_modeset_backoff(&ctx); - goto retry; } + if (!ret) + ret = __intel_display_resume(dev, state); + drm_modeset_drop_locks(&ctx); drm_modeset_acquire_fini(&ctx); mutex_unlock(&dev->mode_config.mutex); diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index 6a7ad3ed1463..3836a1c79714 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -1230,12 +1230,29 @@ static int intel_sanitize_fbc_option(struct drm_i915_private *dev_priv) if (i915.enable_fbc >= 0) return !!i915.enable_fbc; + if (!HAS_FBC(dev_priv)) + return 0; + if (IS_BROADWELL(dev_priv)) return 1; return 0; } +static bool need_fbc_vtd_wa(struct drm_i915_private *dev_priv) +{ +#ifdef CONFIG_INTEL_IOMMU + /* WaFbcTurnOffFbcWhenHyperVisorIsUsed:skl,bxt */ + if (intel_iommu_gfx_mapped && + (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))) { + DRM_INFO("Disabling framebuffer compression (FBC) to prevent screen flicker with VT-d enabled\n"); + return true; + } +#endif + + return false; +} + /** * intel_fbc_init - Initialize FBC * @dev_priv: the i915 device @@ -1253,6 +1270,9 @@ void intel_fbc_init(struct drm_i915_private *dev_priv) fbc->active = false; fbc->work.scheduled = false; + if (need_fbc_vtd_wa(dev_priv)) + mkwrite_device_info(dev_priv)->has_fbc = false; + i915.enable_fbc = intel_sanitize_fbc_option(dev_priv); DRM_DEBUG_KMS("Sanitized enable_fbc value: %d\n", i915.enable_fbc); diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 97ba6c8cf907..d5deb58a2128 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3344,6 +3344,8 @@ static uint32_t skl_wm_method2(uint32_t pixel_rate, uint32_t pipe_htotal, plane_bytes_per_line *= 4; plane_blocks_per_line = DIV_ROUND_UP(plane_bytes_per_line, 512); plane_blocks_per_line /= 4; + } else if (tiling == DRM_FORMAT_MOD_NONE) { + plane_blocks_per_line = DIV_ROUND_UP(plane_bytes_per_line, 512) + 1; } else { plane_blocks_per_line = DIV_ROUND_UP(plane_bytes_per_line, 512); } @@ -6574,9 +6576,7 @@ void intel_init_gt_powersave(struct drm_i915_private *dev_priv) void intel_cleanup_gt_powersave(struct drm_i915_private *dev_priv) { - if (IS_CHERRYVIEW(dev_priv)) - return; - else if (IS_VALLEYVIEW(dev_priv)) + if (IS_VALLEYVIEW(dev_priv)) valleyview_cleanup_gt_powersave(dev_priv); if (!i915.enable_rc6) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index cca7792f26d5..1d3161bbea24 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1178,8 +1178,8 @@ static int bxt_init_workarounds(struct intel_engine_cs *engine) I915_WRITE(GEN8_L3SQCREG1, L3_GENERAL_PRIO_CREDITS(62) | L3_HIGH_PRIO_CREDITS(2)); - /* WaInsertDummyPushConstPs:bxt */ - if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_B0)) + /* WaToEnableHwFixForPushConstHWBug:bxt */ + if (IS_BXT_REVID(dev_priv, BXT_REVID_C0, REVID_FOREVER)) WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2, GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION); @@ -1222,8 +1222,8 @@ static int kbl_init_workarounds(struct intel_engine_cs *engine) I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) | GEN8_LQSC_RO_PERF_DIS); - /* WaInsertDummyPushConstPs:kbl */ - if (IS_KBL_REVID(dev_priv, 0, KBL_REVID_B0)) + /* WaToEnableHwFixForPushConstHWBug:kbl */ + if (IS_KBL_REVID(dev_priv, KBL_REVID_C0, REVID_FOREVER)) WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2, GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION); diff --git a/drivers/gpu/drm/mediatek/Kconfig b/drivers/gpu/drm/mediatek/Kconfig index 23ac8041c562..294de4549922 100644 --- a/drivers/gpu/drm/mediatek/Kconfig +++ b/drivers/gpu/drm/mediatek/Kconfig @@ -2,6 +2,9 @@ config DRM_MEDIATEK tristate "DRM Support for Mediatek SoCs" depends on DRM depends on ARCH_MEDIATEK || (ARM && COMPILE_TEST) + depends on COMMON_CLK + depends on HAVE_ARM_SMCCC + depends on OF select DRM_GEM_CMA_HELPER select DRM_KMS_HELPER select DRM_MIPI_DSI diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index 6de342861202..ddef0d494084 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -198,16 +198,7 @@ static int radeon_atpx_validate(struct radeon_atpx *atpx) atpx->is_hybrid = false; if (valid_bits & ATPX_MS_HYBRID_GFX_SUPPORTED) { printk("ATPX Hybrid Graphics\n"); -#if 1 - /* This is a temporary hack until the D3 cold support - * makes it upstream. The ATPX power_control method seems - * to still work on even if the system should be using - * the new standardized hybrid D3 cold ACPI interface. - */ - atpx->functions.power_cntl = true; -#else atpx->functions.power_cntl = false; -#endif atpx->is_hybrid = true; } diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index 730d84028260..d0203a115eff 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -491,7 +491,7 @@ struct it87_sio_data { struct it87_data { const struct attribute_group *groups[7]; enum chips type; - u16 features; + u32 features; u8 peci_mask; u8 old_peci_mask; diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index f23372669f77..1bb97f658b47 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -38,6 +38,7 @@ #define AT91_I2C_TIMEOUT msecs_to_jiffies(100) /* transfer timeout */ #define AT91_I2C_DMA_THRESHOLD 8 /* enable DMA if transfer size is bigger than this threshold */ #define AUTOSUSPEND_TIMEOUT 2000 +#define AT91_I2C_MAX_ALT_CMD_DATA_SIZE 256 /* AT91 TWI register definitions */ #define AT91_TWI_CR 0x0000 /* Control Register */ @@ -141,6 +142,7 @@ struct at91_twi_dev { unsigned twi_cwgr_reg; struct at91_twi_pdata *pdata; bool use_dma; + bool use_alt_cmd; bool recv_len_abort; u32 fifo_size; struct at91_twi_dma dma; @@ -269,7 +271,7 @@ static void at91_twi_write_next_byte(struct at91_twi_dev *dev) /* send stop when last byte has been written */ if (--dev->buf_len == 0) - if (!dev->pdata->has_alt_cmd) + if (!dev->use_alt_cmd) at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_STOP); dev_dbg(dev->dev, "wrote 0x%x, to go %d\n", *dev->buf, dev->buf_len); @@ -292,7 +294,7 @@ static void at91_twi_write_data_dma_callback(void *data) * we just have to enable TXCOMP one. */ at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_TXCOMP); - if (!dev->pdata->has_alt_cmd) + if (!dev->use_alt_cmd) at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_STOP); } @@ -410,7 +412,7 @@ static void at91_twi_read_next_byte(struct at91_twi_dev *dev) } /* send stop if second but last byte has been read */ - if (!dev->pdata->has_alt_cmd && dev->buf_len == 1) + if (!dev->use_alt_cmd && dev->buf_len == 1) at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_STOP); dev_dbg(dev->dev, "read 0x%x, to go %d\n", *dev->buf, dev->buf_len); @@ -426,7 +428,7 @@ static void at91_twi_read_data_dma_callback(void *data) dma_unmap_single(dev->dev, sg_dma_address(&dev->dma.sg[0]), dev->buf_len, DMA_FROM_DEVICE); - if (!dev->pdata->has_alt_cmd) { + if (!dev->use_alt_cmd) { /* The last two bytes have to be read without using dma */ dev->buf += dev->buf_len - 2; dev->buf_len = 2; @@ -443,7 +445,7 @@ static void at91_twi_read_data_dma(struct at91_twi_dev *dev) struct dma_chan *chan_rx = dma->chan_rx; size_t buf_len; - buf_len = (dev->pdata->has_alt_cmd) ? dev->buf_len : dev->buf_len - 2; + buf_len = (dev->use_alt_cmd) ? dev->buf_len : dev->buf_len - 2; dma->direction = DMA_FROM_DEVICE; /* Keep in mind that we won't use dma to read the last two bytes */ @@ -651,7 +653,7 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev) unsigned start_flags = AT91_TWI_START; /* if only one byte is to be read, immediately stop transfer */ - if (!has_alt_cmd && dev->buf_len <= 1 && + if (!dev->use_alt_cmd && dev->buf_len <= 1 && !(dev->msg->flags & I2C_M_RECV_LEN)) start_flags |= AT91_TWI_STOP; at91_twi_write(dev, AT91_TWI_CR, start_flags); @@ -745,7 +747,7 @@ static int at91_twi_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, int num) int ret; unsigned int_addr_flag = 0; struct i2c_msg *m_start = msg; - bool is_read, use_alt_cmd = false; + bool is_read; dev_dbg(&adap->dev, "at91_xfer: processing %d messages:\n", num); @@ -768,14 +770,16 @@ static int at91_twi_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, int num) at91_twi_write(dev, AT91_TWI_IADR, internal_address); } + dev->use_alt_cmd = false; is_read = (m_start->flags & I2C_M_RD); if (dev->pdata->has_alt_cmd) { - if (m_start->len > 0) { + if (m_start->len > 0 && + m_start->len < AT91_I2C_MAX_ALT_CMD_DATA_SIZE) { at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_ACMEN); at91_twi_write(dev, AT91_TWI_ACR, AT91_TWI_ACR_DATAL(m_start->len) | ((is_read) ? AT91_TWI_ACR_DIR : 0)); - use_alt_cmd = true; + dev->use_alt_cmd = true; } else { at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_ACMDIS); } @@ -784,7 +788,7 @@ static int at91_twi_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, int num) at91_twi_write(dev, AT91_TWI_MMR, (m_start->addr << 16) | int_addr_flag | - ((!use_alt_cmd && is_read) ? AT91_TWI_MREAD : 0)); + ((!dev->use_alt_cmd && is_read) ? AT91_TWI_MREAD : 0)); dev->buf_len = m_start->len; dev->buf = m_start->buf; diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c index 19c843828fe2..95f7cac76f89 100644 --- a/drivers/i2c/busses/i2c-bcm-iproc.c +++ b/drivers/i2c/busses/i2c-bcm-iproc.c @@ -158,7 +158,7 @@ static irqreturn_t bcm_iproc_i2c_isr(int irq, void *data) if (status & BIT(IS_M_START_BUSY_SHIFT)) { iproc_i2c->xfer_is_done = 1; - complete_all(&iproc_i2c->done); + complete(&iproc_i2c->done); } writel(status, iproc_i2c->base + IS_OFFSET); diff --git a/drivers/i2c/busses/i2c-bcm-kona.c b/drivers/i2c/busses/i2c-bcm-kona.c index ac9f47679c3a..f98743277e3c 100644 --- a/drivers/i2c/busses/i2c-bcm-kona.c +++ b/drivers/i2c/busses/i2c-bcm-kona.c @@ -229,7 +229,7 @@ static irqreturn_t bcm_kona_i2c_isr(int irq, void *devid) dev->base + TXFCR_OFFSET); writel(status & ~ISR_RESERVED_MASK, dev->base + ISR_OFFSET); - complete_all(&dev->done); + complete(&dev->done); return IRQ_HANDLED; } diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c index 3f5a4d71d3bf..385b57bfcb38 100644 --- a/drivers/i2c/busses/i2c-brcmstb.c +++ b/drivers/i2c/busses/i2c-brcmstb.c @@ -228,7 +228,7 @@ static irqreturn_t brcmstb_i2c_isr(int irq, void *devid) return IRQ_NONE; brcmstb_i2c_enable_disable_irq(dev, INT_DISABLE); - complete_all(&dev->done); + complete(&dev->done); dev_dbg(dev->device, "isr handled"); return IRQ_HANDLED; diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c index a0d95ff682ae..2d5ff86398d0 100644 --- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c +++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c @@ -215,7 +215,7 @@ static int ec_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg i2c_msgs[], msg->outsize = request_len; msg->insize = response_len; - result = cros_ec_cmd_xfer(bus->ec, msg); + result = cros_ec_cmd_xfer_status(bus->ec, msg); if (result < 0) { dev_err(dev, "Error transferring EC i2c message %d\n", result); goto exit; diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c index 71d3929adf54..76e28980904f 100644 --- a/drivers/i2c/busses/i2c-meson.c +++ b/drivers/i2c/busses/i2c-meson.c @@ -211,7 +211,7 @@ static void meson_i2c_stop(struct meson_i2c *i2c) meson_i2c_add_token(i2c, TOKEN_STOP); } else { i2c->state = STATE_IDLE; - complete_all(&i2c->done); + complete(&i2c->done); } } @@ -238,7 +238,7 @@ static irqreturn_t meson_i2c_irq(int irqno, void *dev_id) dev_dbg(i2c->dev, "error bit set\n"); i2c->error = -ENXIO; i2c->state = STATE_IDLE; - complete_all(&i2c->done); + complete(&i2c->done); goto out; } @@ -269,7 +269,7 @@ static irqreturn_t meson_i2c_irq(int irqno, void *dev_id) break; case STATE_STOP: i2c->state = STATE_IDLE; - complete_all(&i2c->done); + complete(&i2c->done); break; case STATE_IDLE: break; diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c index dfa7a4b4a91d..ac88a524143e 100644 --- a/drivers/i2c/busses/i2c-ocores.c +++ b/drivers/i2c/busses/i2c-ocores.c @@ -379,6 +379,7 @@ static int ocores_i2c_of_probe(struct platform_device *pdev, if (!clock_frequency_present) { dev_err(&pdev->dev, "Missing required parameter 'opencores,ip-clock-frequency'\n"); + clk_disable_unprepare(i2c->clk); return -ENODEV; } i2c->ip_clock_khz = clock_frequency / 1000; @@ -467,20 +468,21 @@ static int ocores_i2c_probe(struct platform_device *pdev) default: dev_err(&pdev->dev, "Unsupported I/O width (%d)\n", i2c->reg_io_width); - return -EINVAL; + ret = -EINVAL; + goto err_clk; } } ret = ocores_init(&pdev->dev, i2c); if (ret) - return ret; + goto err_clk; init_waitqueue_head(&i2c->wait); ret = devm_request_irq(&pdev->dev, irq, ocores_isr, 0, pdev->name, i2c); if (ret) { dev_err(&pdev->dev, "Cannot claim IRQ\n"); - return ret; + goto err_clk; } /* hook up driver to tree */ @@ -494,7 +496,7 @@ static int ocores_i2c_probe(struct platform_device *pdev) ret = i2c_add_adapter(&i2c->adap); if (ret) { dev_err(&pdev->dev, "Failed to add adapter\n"); - return ret; + goto err_clk; } /* add in known devices to the bus */ @@ -504,6 +506,10 @@ static int ocores_i2c_probe(struct platform_device *pdev) } return 0; + +err_clk: + clk_disable_unprepare(i2c->clk); + return ret; } static int ocores_i2c_remove(struct platform_device *pdev) diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c index 8de073aed001..215ac87f606d 100644 --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c @@ -68,7 +68,7 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne adap = of_find_i2c_adapter_by_node(priv->chan[new_chan].parent_np); if (!adap) { ret = -ENODEV; - goto err; + goto err_with_revert; } p = devm_pinctrl_get_select(adap->dev.parent, priv->bus_name); @@ -103,6 +103,8 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne err_with_put: i2c_put_adapter(adap); + err_with_revert: + of_changeset_revert(&priv->chan[new_chan].chgset); err: dev_err(priv->dev, "failed to setup demux-adapter %d (%d)\n", new_chan, ret); return ret; diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 08a1e2f3690f..00c8a08d56e7 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -68,7 +68,8 @@ void iommu_put_dma_cookie(struct iommu_domain *domain) if (!iovad) return; - put_iova_domain(iovad); + if (iovad->granule) + put_iova_domain(iovad); kfree(iovad); domain->iova_cookie = NULL; } @@ -151,12 +152,15 @@ int dma_direction_to_prot(enum dma_data_direction dir, bool coherent) } } -static struct iova *__alloc_iova(struct iova_domain *iovad, size_t size, +static struct iova *__alloc_iova(struct iommu_domain *domain, size_t size, dma_addr_t dma_limit) { + struct iova_domain *iovad = domain->iova_cookie; unsigned long shift = iova_shift(iovad); unsigned long length = iova_align(iovad, size) >> shift; + if (domain->geometry.force_aperture) + dma_limit = min(dma_limit, domain->geometry.aperture_end); /* * Enforce size-alignment to be safe - there could perhaps be an * attribute to control this per-device, or at least per-domain... @@ -314,7 +318,7 @@ struct page **iommu_dma_alloc(struct device *dev, size_t size, gfp_t gfp, if (!pages) return NULL; - iova = __alloc_iova(iovad, size, dev->coherent_dma_mask); + iova = __alloc_iova(domain, size, dev->coherent_dma_mask); if (!iova) goto out_free_pages; @@ -386,7 +390,7 @@ dma_addr_t iommu_dma_map_page(struct device *dev, struct page *page, phys_addr_t phys = page_to_phys(page) + offset; size_t iova_off = iova_offset(iovad, phys); size_t len = iova_align(iovad, size + iova_off); - struct iova *iova = __alloc_iova(iovad, len, dma_get_mask(dev)); + struct iova *iova = __alloc_iova(domain, len, dma_get_mask(dev)); if (!iova) return DMA_ERROR_CODE; @@ -538,7 +542,7 @@ int iommu_dma_map_sg(struct device *dev, struct scatterlist *sg, prev = s; } - iova = __alloc_iova(iovad, iova_len, dma_get_mask(dev)); + iova = __alloc_iova(domain, iova_len, dma_get_mask(dev)); if (!iova) goto out_restore_sg; diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 9ed0a8462ccf..3dab13b4a211 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -55,19 +55,19 @@ struct mtk_iommu_data { bool enable_4GB; }; -static int compare_of(struct device *dev, void *data) +static inline int compare_of(struct device *dev, void *data) { return dev->of_node == data; } -static int mtk_iommu_bind(struct device *dev) +static inline int mtk_iommu_bind(struct device *dev) { struct mtk_iommu_data *data = dev_get_drvdata(dev); return component_bind_all(dev, &data->smi_imu); } -static void mtk_iommu_unbind(struct device *dev) +static inline void mtk_iommu_unbind(struct device *dev) { struct mtk_iommu_data *data = dev_get_drvdata(dev); diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 4e9784b4e0ac..eedba67b0e3e 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -181,7 +181,7 @@ struct crypt_config { u8 key[0]; }; -#define MIN_IOS 16 +#define MIN_IOS 64 static void clone_init(struct dm_crypt_io *, struct bio *); static void kcryptd_queue_crypt(struct dm_crypt_io *io); diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 1b9795d75ef8..8abde6b8cedc 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -191,7 +191,6 @@ struct raid_dev { #define RT_FLAG_RS_BITMAP_LOADED 2 #define RT_FLAG_UPDATE_SBS 3 #define RT_FLAG_RESHAPE_RS 4 -#define RT_FLAG_KEEP_RS_FROZEN 5 /* Array elements of 64 bit needed for rebuild/failed disk bits */ #define DISKS_ARRAY_ELEMS ((MAX_RAID_DEVICES + (sizeof(uint64_t) * 8 - 1)) / sizeof(uint64_t) / 8) @@ -861,6 +860,9 @@ static int validate_region_size(struct raid_set *rs, unsigned long region_size) { unsigned long min_region_size = rs->ti->len / (1 << 21); + if (rs_is_raid0(rs)) + return 0; + if (!region_size) { /* * Choose a reasonable default. All figures in sectors. @@ -930,6 +932,8 @@ static int validate_raid_redundancy(struct raid_set *rs) rebuild_cnt++; switch (rs->raid_type->level) { + case 0: + break; case 1: if (rebuild_cnt >= rs->md.raid_disks) goto too_many; @@ -2335,6 +2339,13 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs) case 0: break; default: + /* + * We have to keep any raid0 data/metadata device pairs or + * the MD raid0 personality will fail to start the array. + */ + if (rs_is_raid0(rs)) + continue; + dev = container_of(rdev, struct raid_dev, rdev); if (dev->meta_dev) dm_put_device(ti, dev->meta_dev); @@ -2579,7 +2590,6 @@ static int rs_prepare_reshape(struct raid_set *rs) } else { /* Process raid1 without delta_disks */ mddev->raid_disks = rs->raid_disks; - set_bit(RT_FLAG_KEEP_RS_FROZEN, &rs->runtime_flags); reshape = false; } } else { @@ -2590,7 +2600,6 @@ static int rs_prepare_reshape(struct raid_set *rs) if (reshape) { set_bit(RT_FLAG_RESHAPE_RS, &rs->runtime_flags); set_bit(RT_FLAG_UPDATE_SBS, &rs->runtime_flags); - set_bit(RT_FLAG_KEEP_RS_FROZEN, &rs->runtime_flags); } else if (mddev->raid_disks < rs->raid_disks) /* Create new superblocks and bitmaps, if any new disks */ set_bit(RT_FLAG_UPDATE_SBS, &rs->runtime_flags); @@ -2902,7 +2911,6 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto bad; set_bit(RT_FLAG_UPDATE_SBS, &rs->runtime_flags); - set_bit(RT_FLAG_KEEP_RS_FROZEN, &rs->runtime_flags); /* Takeover ain't recovery, so disable recovery */ rs_setup_recovery(rs, MaxSector); rs_set_new(rs); @@ -3386,21 +3394,28 @@ static void raid_postsuspend(struct dm_target *ti) { struct raid_set *rs = ti->private; - if (test_and_clear_bit(RT_FLAG_RS_RESUMED, &rs->runtime_flags)) { - if (!rs->md.suspended) - mddev_suspend(&rs->md); - rs->md.ro = 1; - } + if (!rs->md.suspended) + mddev_suspend(&rs->md); + + rs->md.ro = 1; } static void attempt_restore_of_faulty_devices(struct raid_set *rs) { int i; - uint64_t failed_devices, cleared_failed_devices = 0; + uint64_t cleared_failed_devices[DISKS_ARRAY_ELEMS]; unsigned long flags; + bool cleared = false; struct dm_raid_superblock *sb; + struct mddev *mddev = &rs->md; struct md_rdev *r; + /* RAID personalities have to provide hot add/remove methods or we need to bail out. */ + if (!mddev->pers || !mddev->pers->hot_add_disk || !mddev->pers->hot_remove_disk) + return; + + memset(cleared_failed_devices, 0, sizeof(cleared_failed_devices)); + for (i = 0; i < rs->md.raid_disks; i++) { r = &rs->dev[i].rdev; if (test_bit(Faulty, &r->flags) && r->sb_page && @@ -3420,7 +3435,7 @@ static void attempt_restore_of_faulty_devices(struct raid_set *rs) * ourselves. */ if ((r->raid_disk >= 0) && - (r->mddev->pers->hot_remove_disk(r->mddev, r) != 0)) + (mddev->pers->hot_remove_disk(mddev, r) != 0)) /* Failed to revive this device, try next */ continue; @@ -3430,22 +3445,30 @@ static void attempt_restore_of_faulty_devices(struct raid_set *rs) clear_bit(Faulty, &r->flags); clear_bit(WriteErrorSeen, &r->flags); clear_bit(In_sync, &r->flags); - if (r->mddev->pers->hot_add_disk(r->mddev, r)) { + if (mddev->pers->hot_add_disk(mddev, r)) { r->raid_disk = -1; r->saved_raid_disk = -1; r->flags = flags; } else { r->recovery_offset = 0; - cleared_failed_devices |= 1 << i; + set_bit(i, (void *) cleared_failed_devices); + cleared = true; } } } - if (cleared_failed_devices) { + + /* If any failed devices could be cleared, update all sbs failed_devices bits */ + if (cleared) { + uint64_t failed_devices[DISKS_ARRAY_ELEMS]; + rdev_for_each(r, &rs->md) { sb = page_address(r->sb_page); - failed_devices = le64_to_cpu(sb->failed_devices); - failed_devices &= ~cleared_failed_devices; - sb->failed_devices = cpu_to_le64(failed_devices); + sb_retrieve_failed_devices(sb, failed_devices); + + for (i = 0; i < DISKS_ARRAY_ELEMS; i++) + failed_devices[i] &= ~cleared_failed_devices[i]; + + sb_update_failed_devices(sb, failed_devices); } } } @@ -3610,26 +3633,15 @@ static void raid_resume(struct dm_target *ti) * devices are reachable again. */ attempt_restore_of_faulty_devices(rs); - } else { - mddev->ro = 0; - mddev->in_sync = 0; + } - /* - * When passing in flags to the ctr, we expect userspace - * to reset them because they made it to the superblocks - * and reload the mapping anyway. - * - * -> only unfreeze recovery in case of a table reload or - * we'll have a bogus recovery/reshape position - * retrieved from the superblock by the ctr because - * the ongoing recovery/reshape will change it after read. - */ - if (!test_bit(RT_FLAG_KEEP_RS_FROZEN, &rs->runtime_flags)) - clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + mddev->ro = 0; + mddev->in_sync = 0; - if (mddev->suspended) - mddev_resume(mddev); - } + clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + + if (mddev->suspended) + mddev_resume(mddev); } static struct target_type raid_target = { diff --git a/drivers/md/dm-round-robin.c b/drivers/md/dm-round-robin.c index 4ace1da17db8..6c25213ab38c 100644 --- a/drivers/md/dm-round-robin.c +++ b/drivers/md/dm-round-robin.c @@ -210,14 +210,17 @@ static struct dm_path *rr_select_path(struct path_selector *ps, size_t nr_bytes) struct path_info *pi = NULL; struct dm_path *current_path = NULL; + local_irq_save(flags); current_path = *this_cpu_ptr(s->current_path); if (current_path) { percpu_counter_dec(&s->repeat_count); - if (percpu_counter_read_positive(&s->repeat_count) > 0) + if (percpu_counter_read_positive(&s->repeat_count) > 0) { + local_irq_restore(flags); return current_path; + } } - spin_lock_irqsave(&s->lock, flags); + spin_lock(&s->lock); if (!list_empty(&s->valid_paths)) { pi = list_entry(s->valid_paths.next, struct path_info, list); list_move_tail(&pi->list, &s->valid_paths); diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index 869c83fb3c5d..f00f3e742265 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -2185,7 +2185,7 @@ static int gpmc_probe_dt(struct platform_device *pdev) return 0; } -static int gpmc_probe_dt_children(struct platform_device *pdev) +static void gpmc_probe_dt_children(struct platform_device *pdev) { int ret; struct device_node *child; @@ -2200,11 +2200,11 @@ static int gpmc_probe_dt_children(struct platform_device *pdev) else ret = gpmc_probe_generic_child(pdev, child); - if (ret) - return ret; + if (ret) { + dev_err(&pdev->dev, "failed to probe DT child '%s': %d\n", + child->name, ret); + } } - - return 0; } #else static int gpmc_probe_dt(struct platform_device *pdev) @@ -2212,9 +2212,8 @@ static int gpmc_probe_dt(struct platform_device *pdev) return 0; } -static int gpmc_probe_dt_children(struct platform_device *pdev) +static void gpmc_probe_dt_children(struct platform_device *pdev) { - return 0; } #endif /* CONFIG_OF */ @@ -2369,16 +2368,10 @@ static int gpmc_probe(struct platform_device *pdev) goto setup_irq_failed; } - rc = gpmc_probe_dt_children(pdev); - if (rc < 0) { - dev_err(gpmc->dev, "failed to probe DT children\n"); - goto dt_children_failed; - } + gpmc_probe_dt_children(pdev); return 0; -dt_children_failed: - gpmc_free_irq(gpmc); setup_irq_failed: gpmc_gpio_exit(gpmc); gpio_init_failed: diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 1f276fa30ba6..217e8da0628c 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -152,7 +152,7 @@ module_param(lacp_rate, charp, 0); MODULE_PARM_DESC(lacp_rate, "LACPDU tx rate to request from 802.3ad partner; " "0 for slow, 1 for fast"); module_param(ad_select, charp, 0); -MODULE_PARM_DESC(ad_select, "803.ad aggregation selection logic; " +MODULE_PARM_DESC(ad_select, "802.3ad aggregation selection logic; " "0 for stable (default), 1 for bandwidth, " "2 for count"); module_param(min_links, int, 0); diff --git a/drivers/net/dsa/b53/b53_regs.h b/drivers/net/dsa/b53/b53_regs.h index 8f12bddd5dc9..a0b453ea34c9 100644 --- a/drivers/net/dsa/b53/b53_regs.h +++ b/drivers/net/dsa/b53/b53_regs.h @@ -258,7 +258,7 @@ * BCM5325 and BCM5365 share most definitions below */ #define B53_ARLTBL_MAC_VID_ENTRY(n) (0x10 * (n)) -#define ARLTBL_MAC_MASK 0xffffffffffff +#define ARLTBL_MAC_MASK 0xffffffffffffULL #define ARLTBL_VID_S 48 #define ARLTBL_VID_MASK_25 0xff #define ARLTBL_VID_MASK 0xfff diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index d36aedde8cb9..d1d9d3cf9139 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -3187,6 +3187,7 @@ static int mv88e6xxx_set_addr(struct dsa_switch *ds, u8 *addr) return err; } +#ifdef CONFIG_NET_DSA_HWMON static int mv88e6xxx_mdio_page_read(struct dsa_switch *ds, int port, int page, int reg) { @@ -3212,6 +3213,7 @@ static int mv88e6xxx_mdio_page_write(struct dsa_switch *ds, int port, int page, return ret; } +#endif static int mv88e6xxx_port_to_mdio_addr(struct mv88e6xxx_chip *chip, int port) { diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c index 37a0f463b8de..18bb9556dd00 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -793,6 +793,8 @@ int xgene_enet_phy_connect(struct net_device *ndev) netdev_err(ndev, "Could not connect to PHY\n"); return -ENODEV; } +#else + return -ENODEV; #endif } diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index 4bff0f3040df..b0da9693f28a 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -771,8 +771,10 @@ int arc_emac_probe(struct net_device *ndev, int interface) priv->dev = dev; priv->regs = devm_ioremap_resource(dev, &res_regs); - if (IS_ERR(priv->regs)) - return PTR_ERR(priv->regs); + if (IS_ERR(priv->regs)) { + err = PTR_ERR(priv->regs); + goto out_put_node; + } dev_dbg(dev, "Registers base address is 0x%p\n", priv->regs); diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index ff300f7cf529..659261218d9f 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -12552,10 +12552,6 @@ static int tg3_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, info->data = TG3_RSS_MAX_NUM_QS; } - /* The first interrupt vector only - * handles link interrupts. - */ - info->data -= 1; return 0; default: @@ -14014,6 +14010,7 @@ static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) } if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) || + (!ec->rx_coalesce_usecs) || (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) || (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) || (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) || diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index 36893d8958d4..b6fcf10621b6 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -403,11 +403,11 @@ #define MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII 0x00000004 #define MACB_CAPS_NO_GIGABIT_HALF 0x00000008 #define MACB_CAPS_USRIO_DISABLED 0x00000010 +#define MACB_CAPS_JUMBO 0x00000020 #define MACB_CAPS_FIFO_MODE 0x10000000 #define MACB_CAPS_GIGABIT_MODE_AVAILABLE 0x20000000 #define MACB_CAPS_SG_DISABLED 0x40000000 #define MACB_CAPS_MACB_IS_GEM 0x80000000 -#define MACB_CAPS_JUMBO 0x00000010 /* Bit manipulation macros */ #define MACB_BIT(name) \ diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c index 1471e16ba719..f45385f5c6e5 100644 --- a/drivers/net/ethernet/davicom/dm9000.c +++ b/drivers/net/ethernet/davicom/dm9000.c @@ -1299,6 +1299,7 @@ static int dm9000_open(struct net_device *dev) { struct board_info *db = netdev_priv(dev); + unsigned int irq_flags = irq_get_trigger_type(dev->irq); if (netif_msg_ifup(db)) dev_dbg(db->dev, "enabling %s\n", dev->name); @@ -1306,9 +1307,11 @@ dm9000_open(struct net_device *dev) /* If there is no IRQ type specified, tell the user that this is a * problem */ - if (irq_get_trigger_type(dev->irq) == IRQF_TRIGGER_NONE) + if (irq_flags == IRQF_TRIGGER_NONE) dev_warn(db->dev, "WARNING: no IRQ resource flags set.\n"); + irq_flags |= IRQF_SHARED; + /* GPIO0 on pre-activate PHY, Reg 1F is not set by reset */ iow(db, DM9000_GPR, 0); /* REG_1F bit0 activate phyxcer */ mdelay(1); /* delay needs by DM9000B */ @@ -1316,8 +1319,7 @@ dm9000_open(struct net_device *dev) /* Initialize DM9000 board */ dm9000_init_dm9000(dev); - if (request_irq(dev->irq, dm9000_interrupt, IRQF_SHARED, - dev->name, dev)) + if (request_irq(dev->irq, dm9000_interrupt, irq_flags, dev->name, dev)) return -EAGAIN; /* Now that we have an interrupt handler hooked up we can unmask * our interrupts diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c index 1235c7f2564b..1e1eb92998fb 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c @@ -17,7 +17,7 @@ static const struct mac_stats_string g_gmac_stats_string[] = { {"gmac_rx_octets_total_ok", MAC_STATS_FIELD_OFF(rx_good_bytes)}, {"gmac_rx_octets_bad", MAC_STATS_FIELD_OFF(rx_bad_bytes)}, {"gmac_rx_uc_pkts", MAC_STATS_FIELD_OFF(rx_uc_pkts)}, - {"gamc_rx_mc_pkts", MAC_STATS_FIELD_OFF(rx_mc_pkts)}, + {"gmac_rx_mc_pkts", MAC_STATS_FIELD_OFF(rx_mc_pkts)}, {"gmac_rx_bc_pkts", MAC_STATS_FIELD_OFF(rx_bc_pkts)}, {"gmac_rx_pkts_64octets", MAC_STATS_FIELD_OFF(rx_64bytes)}, {"gmac_rx_pkts_65to127", MAC_STATS_FIELD_OFF(rx_65to127)}, diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c index 7fd4d54599e4..6b03c8553e59 100644 --- a/drivers/net/ethernet/intel/e1000e/82571.c +++ b/drivers/net/ethernet/intel/e1000e/82571.c @@ -2032,7 +2032,8 @@ const struct e1000_info e1000_82574_info = { | FLAG2_DISABLE_ASPM_L0S | FLAG2_DISABLE_ASPM_L1 | FLAG2_NO_DISABLE_RX - | FLAG2_DMA_BURST, + | FLAG2_DMA_BURST + | FLAG2_CHECK_SYSTIM_OVERFLOW, .pba = 32, .max_hw_frame_size = DEFAULT_JUMBO, .get_variants = e1000_get_variants_82571, @@ -2053,7 +2054,8 @@ const struct e1000_info e1000_82583_info = { | FLAG_HAS_CTRLEXT_ON_LOAD, .flags2 = FLAG2_DISABLE_ASPM_L0S | FLAG2_DISABLE_ASPM_L1 - | FLAG2_NO_DISABLE_RX, + | FLAG2_NO_DISABLE_RX + | FLAG2_CHECK_SYSTIM_OVERFLOW, .pba = 32, .max_hw_frame_size = DEFAULT_JUMBO, .get_variants = e1000_get_variants_82571, diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h index ef96cd11d6d2..879cca47b021 100644 --- a/drivers/net/ethernet/intel/e1000e/e1000.h +++ b/drivers/net/ethernet/intel/e1000e/e1000.h @@ -452,6 +452,7 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca); #define FLAG2_PCIM2PCI_ARBITER_WA BIT(11) #define FLAG2_DFLT_CRC_STRIPPING BIT(12) #define FLAG2_CHECK_RX_HWTSTAMP BIT(13) +#define FLAG2_CHECK_SYSTIM_OVERFLOW BIT(14) #define E1000_RX_DESC_PS(R, i) \ (&(((union e1000_rx_desc_packet_split *)((R).desc))[i])) diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 3e11322d8d58..f3aaca743ea3 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -5885,7 +5885,8 @@ const struct e1000_info e1000_pch_lpt_info = { | FLAG_HAS_JUMBO_FRAMES | FLAG_APME_IN_WUC, .flags2 = FLAG2_HAS_PHY_STATS - | FLAG2_HAS_EEE, + | FLAG2_HAS_EEE + | FLAG2_CHECK_SYSTIM_OVERFLOW, .pba = 26, .max_hw_frame_size = 9022, .get_variants = e1000_get_variants_ich8lan, diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 02f443958f31..7017281ba2dc 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -4303,6 +4303,42 @@ void e1000e_reinit_locked(struct e1000_adapter *adapter) } /** + * e1000e_sanitize_systim - sanitize raw cycle counter reads + * @hw: pointer to the HW structure + * @systim: cycle_t value read, sanitized and returned + * + * Errata for 82574/82583 possible bad bits read from SYSTIMH/L: + * check to see that the time is incrementing at a reasonable + * rate and is a multiple of incvalue. + **/ +static cycle_t e1000e_sanitize_systim(struct e1000_hw *hw, cycle_t systim) +{ + u64 time_delta, rem, temp; + cycle_t systim_next; + u32 incvalue; + int i; + + incvalue = er32(TIMINCA) & E1000_TIMINCA_INCVALUE_MASK; + for (i = 0; i < E1000_MAX_82574_SYSTIM_REREADS; i++) { + /* latch SYSTIMH on read of SYSTIML */ + systim_next = (cycle_t)er32(SYSTIML); + systim_next |= (cycle_t)er32(SYSTIMH) << 32; + + time_delta = systim_next - systim; + temp = time_delta; + /* VMWare users have seen incvalue of zero, don't div / 0 */ + rem = incvalue ? do_div(temp, incvalue) : (time_delta != 0); + + systim = systim_next; + + if ((time_delta < E1000_82574_SYSTIM_EPSILON) && (rem == 0)) + break; + } + + return systim; +} + +/** * e1000e_cyclecounter_read - read raw cycle counter (used by time counter) * @cc: cyclecounter structure **/ @@ -4312,7 +4348,7 @@ static cycle_t e1000e_cyclecounter_read(const struct cyclecounter *cc) cc); struct e1000_hw *hw = &adapter->hw; u32 systimel, systimeh; - cycle_t systim, systim_next; + cycle_t systim; /* SYSTIMH latching upon SYSTIML read does not work well. * This means that if SYSTIML overflows after we read it but before * we read SYSTIMH, the value of SYSTIMH has been incremented and we @@ -4335,33 +4371,9 @@ static cycle_t e1000e_cyclecounter_read(const struct cyclecounter *cc) systim = (cycle_t)systimel; systim |= (cycle_t)systimeh << 32; - if ((hw->mac.type == e1000_82574) || (hw->mac.type == e1000_82583)) { - u64 time_delta, rem, temp; - u32 incvalue; - int i; - - /* errata for 82574/82583 possible bad bits read from SYSTIMH/L - * check to see that the time is incrementing at a reasonable - * rate and is a multiple of incvalue - */ - incvalue = er32(TIMINCA) & E1000_TIMINCA_INCVALUE_MASK; - for (i = 0; i < E1000_MAX_82574_SYSTIM_REREADS; i++) { - /* latch SYSTIMH on read of SYSTIML */ - systim_next = (cycle_t)er32(SYSTIML); - systim_next |= (cycle_t)er32(SYSTIMH) << 32; - - time_delta = systim_next - systim; - temp = time_delta; - /* VMWare users have seen incvalue of zero, don't div / 0 */ - rem = incvalue ? do_div(temp, incvalue) : (time_delta != 0); - - systim = systim_next; + if (adapter->flags2 & FLAG2_CHECK_SYSTIM_OVERFLOW) + systim = e1000e_sanitize_systim(hw, systim); - if ((time_delta < E1000_82574_SYSTIM_EPSILON) && - (rem == 0)) - break; - } - } return systim; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 81c99e1be708..c6ac7a61812f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -4554,23 +4554,38 @@ static u8 i40e_get_iscsi_tc_map(struct i40e_pf *pf) **/ static u8 i40e_dcb_get_num_tc(struct i40e_dcbx_config *dcbcfg) { + int i, tc_unused = 0; u8 num_tc = 0; - int i; + u8 ret = 0; /* Scan the ETS Config Priority Table to find * traffic class enabled for a given priority - * and use the traffic class index to get the - * number of traffic classes enabled + * and create a bitmask of enabled TCs */ - for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { - if (dcbcfg->etscfg.prioritytable[i] > num_tc) - num_tc = dcbcfg->etscfg.prioritytable[i]; - } + for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) + num_tc |= BIT(dcbcfg->etscfg.prioritytable[i]); - /* Traffic class index starts from zero so - * increment to return the actual count + /* Now scan the bitmask to check for + * contiguous TCs starting with TC0 */ - return num_tc + 1; + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { + if (num_tc & BIT(i)) { + if (!tc_unused) { + ret++; + } else { + pr_err("Non-contiguous TC - Disabling DCB\n"); + return 1; + } + } else { + tc_unused = 1; + } + } + + /* There is always at least TC0 */ + if (!ret) + ret = 1; + + return ret; } /** diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c index e61b647f5f2a..336c103ae374 100644 --- a/drivers/net/ethernet/intel/igb/igb_ptp.c +++ b/drivers/net/ethernet/intel/igb/igb_ptp.c @@ -744,7 +744,8 @@ static void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter) } } - shhwtstamps.hwtstamp = ktime_sub_ns(shhwtstamps.hwtstamp, adjust); + shhwtstamps.hwtstamp = + ktime_add_ns(shhwtstamps.hwtstamp, adjust); skb_tstamp_tx(adapter->ptp_tx_skb, &shhwtstamps); dev_kfree_skb_any(adapter->ptp_tx_skb); @@ -767,13 +768,32 @@ void igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, struct sk_buff *skb) { __le64 *regval = (__le64 *)va; + struct igb_adapter *adapter = q_vector->adapter; + int adjust = 0; /* The timestamp is recorded in little endian format. * DWORD: 0 1 2 3 * Field: Reserved Reserved SYSTIML SYSTIMH */ - igb_ptp_systim_to_hwtstamp(q_vector->adapter, skb_hwtstamps(skb), + igb_ptp_systim_to_hwtstamp(adapter, skb_hwtstamps(skb), le64_to_cpu(regval[1])); + + /* adjust timestamp for the RX latency based on link speed */ + if (adapter->hw.mac.type == e1000_i210) { + switch (adapter->link_speed) { + case SPEED_10: + adjust = IGB_I210_RX_LATENCY_10; + break; + case SPEED_100: + adjust = IGB_I210_RX_LATENCY_100; + break; + case SPEED_1000: + adjust = IGB_I210_RX_LATENCY_1000; + break; + } + } + skb_hwtstamps(skb)->hwtstamp = + ktime_sub_ns(skb_hwtstamps(skb)->hwtstamp, adjust); } /** @@ -825,7 +845,7 @@ void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector, } } skb_hwtstamps(skb)->hwtstamp = - ktime_add_ns(skb_hwtstamps(skb)->hwtstamp, adjust); + ktime_sub_ns(skb_hwtstamps(skb)->hwtstamp, adjust); /* Update the last_rx_timestamp timer in order to enable watchdog check * for error case of latched timestamp on a dropped packet. diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 5418c69a7463..b4f03748adc0 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -4100,6 +4100,8 @@ static void ixgbe_vlan_promisc_enable(struct ixgbe_adapter *adapter) struct ixgbe_hw *hw = &adapter->hw; u32 vlnctrl, i; + vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); + switch (hw->mac.type) { case ixgbe_mac_82599EB: case ixgbe_mac_X540: @@ -4112,8 +4114,7 @@ static void ixgbe_vlan_promisc_enable(struct ixgbe_adapter *adapter) /* fall through */ case ixgbe_mac_82598EB: /* legacy case, we can just disable VLAN filtering */ - vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); - vlnctrl &= ~(IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN); + vlnctrl &= ~IXGBE_VLNCTRL_VFE; IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); return; } @@ -4125,6 +4126,10 @@ static void ixgbe_vlan_promisc_enable(struct ixgbe_adapter *adapter) /* Set flag so we don't redo unnecessary work */ adapter->flags2 |= IXGBE_FLAG2_VLAN_PROMISC; + /* For VMDq and SR-IOV we must leave VLAN filtering enabled */ + vlnctrl |= IXGBE_VLNCTRL_VFE; + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); + /* Add PF to all active pools */ for (i = IXGBE_VLVF_ENTRIES; --i;) { u32 reg_offset = IXGBE_VLVFB(i * 2 + VMDQ_P(0) / 32); @@ -4191,6 +4196,11 @@ static void ixgbe_vlan_promisc_disable(struct ixgbe_adapter *adapter) struct ixgbe_hw *hw = &adapter->hw; u32 vlnctrl, i; + /* Set VLAN filtering to enabled */ + vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); + vlnctrl |= IXGBE_VLNCTRL_VFE; + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); + switch (hw->mac.type) { case ixgbe_mac_82599EB: case ixgbe_mac_X540: @@ -4202,10 +4212,6 @@ static void ixgbe_vlan_promisc_disable(struct ixgbe_adapter *adapter) break; /* fall through */ case ixgbe_mac_82598EB: - vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); - vlnctrl &= ~IXGBE_VLNCTRL_CFIEN; - vlnctrl |= IXGBE_VLNCTRL_VFE; - IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); return; } @@ -8390,12 +8396,14 @@ static int parse_tc_actions(struct ixgbe_adapter *adapter, struct tcf_exts *exts, u64 *action, u8 *queue) { const struct tc_action *a; + LIST_HEAD(actions); int err; if (tc_no_actions(exts)) return -EINVAL; - tc_for_each_action(a, exts) { + tcf_exts_to_list(exts, &actions); + list_for_each_entry(a, &actions, list) { /* Drop action */ if (is_tcf_gact_shot(a)) { @@ -9517,6 +9525,7 @@ skip_sriov: /* copy netdev features into list of user selectable features */ netdev->hw_features |= netdev->features | + NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_RXALL | diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index b57ae3afb994..f1609542adf1 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -245,12 +245,16 @@ static int mtk_phy_connect(struct mtk_mac *mac) case PHY_INTERFACE_MODE_MII: ge_mode = 1; break; - case PHY_INTERFACE_MODE_RMII: + case PHY_INTERFACE_MODE_REVMII: ge_mode = 2; break; + case PHY_INTERFACE_MODE_RMII: + if (!mac->id) + goto err_phy; + ge_mode = 3; + break; default: - dev_err(eth->dev, "invalid phy_mode\n"); - return -1; + goto err_phy; } /* put the gmac into the right mode */ @@ -263,13 +267,25 @@ static int mtk_phy_connect(struct mtk_mac *mac) mac->phy_dev->autoneg = AUTONEG_ENABLE; mac->phy_dev->speed = 0; mac->phy_dev->duplex = 0; + + if (of_phy_is_fixed_link(mac->of_node)) + mac->phy_dev->supported |= + SUPPORTED_Pause | SUPPORTED_Asym_Pause; + mac->phy_dev->supported &= PHY_GBIT_FEATURES | SUPPORTED_Pause | SUPPORTED_Asym_Pause; mac->phy_dev->advertising = mac->phy_dev->supported | ADVERTISED_Autoneg; phy_start_aneg(mac->phy_dev); + of_node_put(np); + return 0; + +err_phy: + of_node_put(np); + dev_err(eth->dev, "invalid phy_mode\n"); + return -EINVAL; } static int mtk_mdio_init(struct mtk_eth *eth) @@ -542,15 +558,15 @@ static inline struct mtk_tx_buf *mtk_desc_to_tx_buf(struct mtk_tx_ring *ring, return &ring->buf[idx]; } -static void mtk_tx_unmap(struct device *dev, struct mtk_tx_buf *tx_buf) +static void mtk_tx_unmap(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf) { if (tx_buf->flags & MTK_TX_FLAGS_SINGLE0) { - dma_unmap_single(dev, + dma_unmap_single(eth->dev, dma_unmap_addr(tx_buf, dma_addr0), dma_unmap_len(tx_buf, dma_len0), DMA_TO_DEVICE); } else if (tx_buf->flags & MTK_TX_FLAGS_PAGE0) { - dma_unmap_page(dev, + dma_unmap_page(eth->dev, dma_unmap_addr(tx_buf, dma_addr0), dma_unmap_len(tx_buf, dma_len0), DMA_TO_DEVICE); @@ -595,9 +611,9 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, if (skb_vlan_tag_present(skb)) txd4 |= TX_DMA_INS_VLAN | skb_vlan_tag_get(skb); - mapped_addr = dma_map_single(&dev->dev, skb->data, + mapped_addr = dma_map_single(eth->dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) + if (unlikely(dma_mapping_error(eth->dev, mapped_addr))) return -ENOMEM; WRITE_ONCE(itxd->txd1, mapped_addr); @@ -623,10 +639,10 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, n_desc++; frag_map_size = min(frag_size, MTK_TX_DMA_BUF_LEN); - mapped_addr = skb_frag_dma_map(&dev->dev, frag, offset, + mapped_addr = skb_frag_dma_map(eth->dev, frag, offset, frag_map_size, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) + if (unlikely(dma_mapping_error(eth->dev, mapped_addr))) goto err_dma; if (i == nr_frags - 1 && @@ -679,7 +695,7 @@ err_dma: tx_buf = mtk_desc_to_tx_buf(ring, itxd); /* unmap dma */ - mtk_tx_unmap(&dev->dev, tx_buf); + mtk_tx_unmap(eth, tx_buf); itxd->txd3 = TX_DMA_LS0 | TX_DMA_OWNER_CPU; itxd = mtk_qdma_phys_to_virt(ring, itxd->txd2); @@ -836,11 +852,11 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, netdev->stats.rx_dropped++; goto release_desc; } - dma_addr = dma_map_single(ð->netdev[mac]->dev, + dma_addr = dma_map_single(eth->dev, new_data + NET_SKB_PAD, ring->buf_size, DMA_FROM_DEVICE); - if (unlikely(dma_mapping_error(&netdev->dev, dma_addr))) { + if (unlikely(dma_mapping_error(eth->dev, dma_addr))) { skb_free_frag(new_data); netdev->stats.rx_dropped++; goto release_desc; @@ -855,7 +871,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, } skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN); - dma_unmap_single(&netdev->dev, trxd.rxd1, + dma_unmap_single(eth->dev, trxd.rxd1, ring->buf_size, DMA_FROM_DEVICE); pktlen = RX_DMA_GET_PLEN0(trxd.rxd2); skb->dev = netdev; @@ -937,7 +953,7 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget) done[mac]++; budget--; } - mtk_tx_unmap(eth->dev, tx_buf); + mtk_tx_unmap(eth, tx_buf); ring->last_free = desc; atomic_inc(&ring->free_count); @@ -1092,7 +1108,7 @@ static void mtk_tx_clean(struct mtk_eth *eth) if (ring->buf) { for (i = 0; i < MTK_DMA_SIZE; i++) - mtk_tx_unmap(eth->dev, &ring->buf[i]); + mtk_tx_unmap(eth, &ring->buf[i]); kfree(ring->buf); ring->buf = NULL; } @@ -1751,6 +1767,7 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) goto free_netdev; } spin_lock_init(&mac->hw_stats->stats_lock); + u64_stats_init(&mac->hw_stats->syncp); mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; SET_NETDEV_DEV(eth->netdev[id], eth->dev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 0f19b01e3fff..dc8b1cb0fdc8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -318,6 +318,7 @@ static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, u32 *action, u32 *flow_tag) { const struct tc_action *a; + LIST_HEAD(actions); if (tc_no_actions(exts)) return -EINVAL; @@ -325,7 +326,8 @@ static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, *flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; *action = 0; - tc_for_each_action(a, exts) { + tcf_exts_to_list(exts, &actions); + list_for_each_entry(a, &actions, list) { /* Only support a single action per rule */ if (*action) return -EINVAL; @@ -362,13 +364,15 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, u32 *action, u32 *dest_vport) { const struct tc_action *a; + LIST_HEAD(actions); if (tc_no_actions(exts)) return -EINVAL; *action = 0; - tc_for_each_action(a, exts) { + tcf_exts_to_list(exts, &actions); + list_for_each_entry(a, &actions, list) { /* Only support a single action per rule */ if (*action) return -EINVAL; @@ -503,6 +507,7 @@ int mlx5e_stats_flower(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow; struct tc_action *a; struct mlx5_fc *counter; + LIST_HEAD(actions); u64 bytes; u64 packets; u64 lastuse; @@ -518,7 +523,8 @@ int mlx5e_stats_flower(struct mlx5e_priv *priv, mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); - tc_for_each_action(a, f->exts) + tcf_exts_to_list(f->exts, &actions); + list_for_each_entry(a, &actions, list) tcf_action_stats_update(a, bytes, packets, lastuse); return 0; diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index 7ca9201f7dcb..1721098eef13 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -3383,6 +3383,15 @@ MLXSW_ITEM32(reg, ritr, ipv4_fe, 0x04, 29, 1); */ MLXSW_ITEM32(reg, ritr, ipv6_fe, 0x04, 28, 1); +/* reg_ritr_lb_en + * Loop-back filter enable for unicast packets. + * If the flag is set then loop-back filter for unicast packets is + * implemented on the RIF. Multicast packets are always subject to + * loop-back filtering. + * Access: RW + */ +MLXSW_ITEM32(reg, ritr, lb_en, 0x04, 24, 1); + /* reg_ritr_virtual_router * Virtual router ID associated with the router interface. * Access: RW @@ -3484,6 +3493,7 @@ static inline void mlxsw_reg_ritr_pack(char *payload, bool enable, mlxsw_reg_ritr_op_set(payload, op); mlxsw_reg_ritr_rif_set(payload, rif); mlxsw_reg_ritr_ipv4_fe_set(payload, 1); + mlxsw_reg_ritr_lb_en_set(payload, 1); mlxsw_reg_ritr_mtu_set(payload, mtu); mlxsw_reg_ritr_if_mac_memcpy_to(payload, mac); } @@ -4000,6 +4010,7 @@ static inline void mlxsw_reg_ralue_pack(char *payload, { MLXSW_REG_ZERO(ralue, payload); mlxsw_reg_ralue_protocol_set(payload, protocol); + mlxsw_reg_ralue_op_set(payload, op); mlxsw_reg_ralue_virtual_router_set(payload, virtual_router); mlxsw_reg_ralue_prefix_len_set(payload, prefix_len); mlxsw_reg_ralue_entry_type_set(payload, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index c3e61500819d..1f8168906811 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -942,8 +942,8 @@ static void mlxsw_sp_port_vport_destroy(struct mlxsw_sp_port *mlxsw_sp_vport) kfree(mlxsw_sp_vport); } -int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto, - u16 vid) +static int mlxsw_sp_port_add_vid(struct net_device *dev, + __be16 __always_unused proto, u16 vid) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp_port *mlxsw_sp_vport; @@ -956,16 +956,12 @@ int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto, if (!vid) return 0; - if (mlxsw_sp_port_vport_find(mlxsw_sp_port, vid)) { - netdev_warn(dev, "VID=%d already configured\n", vid); + if (mlxsw_sp_port_vport_find(mlxsw_sp_port, vid)) return 0; - } mlxsw_sp_vport = mlxsw_sp_port_vport_create(mlxsw_sp_port, vid); - if (!mlxsw_sp_vport) { - netdev_err(dev, "Failed to create vPort for VID=%d\n", vid); + if (!mlxsw_sp_vport) return -ENOMEM; - } /* When adding the first VLAN interface on a bridged port we need to * transition all the active 802.1Q bridge VLANs to use explicit @@ -973,24 +969,17 @@ int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto, */ if (list_is_singular(&mlxsw_sp_port->vports_list)) { err = mlxsw_sp_port_vp_mode_trans(mlxsw_sp_port); - if (err) { - netdev_err(dev, "Failed to set to Virtual mode\n"); + if (err) goto err_port_vp_mode_trans; - } } err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, false); - if (err) { - netdev_err(dev, "Failed to disable learning for VID=%d\n", vid); + if (err) goto err_port_vid_learning_set; - } err = mlxsw_sp_port_vlan_set(mlxsw_sp_vport, vid, vid, true, untagged); - if (err) { - netdev_err(dev, "Failed to set VLAN membership for VID=%d\n", - vid); + if (err) goto err_port_add_vid; - } return 0; @@ -1010,7 +999,6 @@ static int mlxsw_sp_port_kill_vid(struct net_device *dev, struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp_port *mlxsw_sp_vport; struct mlxsw_sp_fid *f; - int err; /* VLAN 0 is removed from HW filter when device goes down, but * it is reserved in our case, so simply return. @@ -1019,23 +1007,12 @@ static int mlxsw_sp_port_kill_vid(struct net_device *dev, return 0; mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); - if (!mlxsw_sp_vport) { - netdev_warn(dev, "VID=%d does not exist\n", vid); + if (WARN_ON(!mlxsw_sp_vport)) return 0; - } - err = mlxsw_sp_port_vlan_set(mlxsw_sp_vport, vid, vid, false, false); - if (err) { - netdev_err(dev, "Failed to set VLAN membership for VID=%d\n", - vid); - return err; - } + mlxsw_sp_port_vlan_set(mlxsw_sp_vport, vid, vid, false, false); - err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, true); - if (err) { - netdev_err(dev, "Failed to enable learning for VID=%d\n", vid); - return err; - } + mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, true); /* Drop FID reference. If this was the last reference the * resources will be freed. @@ -1048,13 +1025,8 @@ static int mlxsw_sp_port_kill_vid(struct net_device *dev, * transition all active 802.1Q bridge VLANs to use VID to FID * mappings and set port's mode to VLAN mode. */ - if (list_is_singular(&mlxsw_sp_port->vports_list)) { - err = mlxsw_sp_port_vlan_mode_trans(mlxsw_sp_port); - if (err) { - netdev_err(dev, "Failed to set to VLAN mode\n"); - return err; - } - } + if (list_is_singular(&mlxsw_sp_port->vports_list)) + mlxsw_sp_port_vlan_mode_trans(mlxsw_sp_port); mlxsw_sp_port_vport_destroy(mlxsw_sp_vport); @@ -1149,6 +1121,7 @@ static int mlxsw_sp_port_add_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress) { const struct tc_action *a; + LIST_HEAD(actions); int err; if (!tc_single_action(cls->exts)) { @@ -1156,7 +1129,8 @@ static int mlxsw_sp_port_add_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port, return -ENOTSUPP; } - tc_for_each_action(a, cls->exts) { + tcf_exts_to_list(cls->exts, &actions); + list_for_each_entry(a, &actions, list) { if (!is_tcf_mirred_mirror(a) || protocol != htons(ETH_P_ALL)) return -ENOTSUPP; @@ -2076,6 +2050,18 @@ static int mlxsw_sp_port_ets_init(struct mlxsw_sp_port *mlxsw_sp_port) return 0; } +static int mlxsw_sp_port_pvid_vport_create(struct mlxsw_sp_port *mlxsw_sp_port) +{ + mlxsw_sp_port->pvid = 1; + + return mlxsw_sp_port_add_vid(mlxsw_sp_port->dev, 0, 1); +} + +static int mlxsw_sp_port_pvid_vport_destroy(struct mlxsw_sp_port *mlxsw_sp_port) +{ + return mlxsw_sp_port_kill_vid(mlxsw_sp_port->dev, 0, 1); +} + static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, bool split, u8 module, u8 width, u8 lane) { @@ -2191,7 +2177,15 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, goto err_port_dcb_init; } + err = mlxsw_sp_port_pvid_vport_create(mlxsw_sp_port); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to create PVID vPort\n", + mlxsw_sp_port->local_port); + goto err_port_pvid_vport_create; + } + mlxsw_sp_port_switchdev_init(mlxsw_sp_port); + mlxsw_sp->ports[local_port] = mlxsw_sp_port; err = register_netdev(dev); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register netdev\n", @@ -2208,24 +2202,23 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, goto err_core_port_init; } - err = mlxsw_sp_port_vlan_init(mlxsw_sp_port); - if (err) - goto err_port_vlan_init; - - mlxsw_sp->ports[local_port] = mlxsw_sp_port; return 0; -err_port_vlan_init: - mlxsw_core_port_fini(&mlxsw_sp_port->core_port); err_core_port_init: unregister_netdev(dev); err_register_netdev: + mlxsw_sp->ports[local_port] = NULL; + mlxsw_sp_port_switchdev_fini(mlxsw_sp_port); + mlxsw_sp_port_pvid_vport_destroy(mlxsw_sp_port); +err_port_pvid_vport_create: + mlxsw_sp_port_dcb_fini(mlxsw_sp_port); err_port_dcb_init: err_port_ets_init: err_port_buffers_init: err_port_admin_status_set: err_port_mtu_set: err_port_speed_by_width_set: + mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); err_port_swid_set: err_port_system_port_mapping_set: err_dev_addr_init: @@ -2245,12 +2238,12 @@ static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port) if (!mlxsw_sp_port) return; - mlxsw_sp->ports[local_port] = NULL; mlxsw_core_port_fini(&mlxsw_sp_port->core_port); unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */ - mlxsw_sp_port_dcb_fini(mlxsw_sp_port); - mlxsw_sp_port_kill_vid(mlxsw_sp_port->dev, 0, 1); + mlxsw_sp->ports[local_port] = NULL; mlxsw_sp_port_switchdev_fini(mlxsw_sp_port); + mlxsw_sp_port_pvid_vport_destroy(mlxsw_sp_port); + mlxsw_sp_port_dcb_fini(mlxsw_sp_port); mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); mlxsw_sp_port_module_unmap(mlxsw_sp, mlxsw_sp_port->local_port); free_percpu(mlxsw_sp_port->pcpu_stats); @@ -2662,6 +2655,26 @@ static const struct mlxsw_rx_listener mlxsw_sp_rx_listener[] = { { .func = mlxsw_sp_rx_listener_func, .local_port = MLXSW_PORT_DONT_CARE, + .trap_id = MLXSW_TRAP_ID_MTUERROR, + }, + { + .func = mlxsw_sp_rx_listener_func, + .local_port = MLXSW_PORT_DONT_CARE, + .trap_id = MLXSW_TRAP_ID_TTLERROR, + }, + { + .func = mlxsw_sp_rx_listener_func, + .local_port = MLXSW_PORT_DONT_CARE, + .trap_id = MLXSW_TRAP_ID_LBERROR, + }, + { + .func = mlxsw_sp_rx_listener_func, + .local_port = MLXSW_PORT_DONT_CARE, + .trap_id = MLXSW_TRAP_ID_OSPF, + }, + { + .func = mlxsw_sp_rx_listener_func, + .local_port = MLXSW_PORT_DONT_CARE, .trap_id = MLXSW_TRAP_ID_IP2ME, }, { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index f69aa37d1521..ab3feb81bd43 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -536,8 +536,6 @@ int mlxsw_sp_port_vid_to_fid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid); int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin, u16 vid_end, bool is_member, bool untagged); -int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto, - u16 vid); int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid, bool set); void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c index 074cdda7b6f3..237418a0e6e0 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c @@ -330,7 +330,7 @@ static const struct mlxsw_sp_sb_cm mlxsw_sp_cpu_port_sb_cms[] = { MLXSW_SP_CPU_PORT_SB_CM, MLXSW_SP_CPU_PORT_SB_CM, MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_CPU_PORT_SB_CM, + MLXSW_SP_SB_CM(MLXSW_SP_BYTES_TO_CELLS(10000), 0, 0), MLXSW_SP_CPU_PORT_SB_CM, MLXSW_SP_CPU_PORT_SB_CM, MLXSW_SP_CPU_PORT_SB_CM, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c index 01cfb7512827..b6ed7f7c531e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c @@ -341,6 +341,8 @@ static int mlxsw_sp_port_pfc_set(struct mlxsw_sp_port *mlxsw_sp_port, char pfcc_pl[MLXSW_REG_PFCC_LEN]; mlxsw_reg_pfcc_pack(pfcc_pl, mlxsw_sp_port->local_port); + mlxsw_reg_pfcc_pprx_set(pfcc_pl, mlxsw_sp_port->link.rx_pause); + mlxsw_reg_pfcc_pptx_set(pfcc_pl, mlxsw_sp_port->link.tx_pause); mlxsw_reg_pfcc_prio_pack(pfcc_pl, pfc->pfc_en); return mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pfcc), @@ -351,17 +353,17 @@ static int mlxsw_sp_dcbnl_ieee_setpfc(struct net_device *dev, struct ieee_pfc *pfc) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + bool pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port); int err; - if ((mlxsw_sp_port->link.tx_pause || mlxsw_sp_port->link.rx_pause) && - pfc->pfc_en) { + if (pause_en && pfc->pfc_en) { netdev_err(dev, "PAUSE frames already enabled on port\n"); return -EINVAL; } err = __mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, mlxsw_sp_port->dcb.ets->prio_tc, - false, pfc); + pause_en, pfc); if (err) { netdev_err(dev, "Failed to configure port's headroom for PFC\n"); return err; @@ -380,7 +382,7 @@ static int mlxsw_sp_dcbnl_ieee_setpfc(struct net_device *dev, err_port_pfc_set: __mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, - mlxsw_sp_port->dcb.ets->prio_tc, false, + mlxsw_sp_port->dcb.ets->prio_tc, pause_en, mlxsw_sp_port->dcb.pfc); return err; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 81418d629231..90bb93b037ec 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -1651,9 +1651,10 @@ static void mlxsw_sp_router_fib4_add_info_destroy(void const *data) const struct mlxsw_sp_router_fib4_add_info *info = data; struct mlxsw_sp_fib_entry *fib_entry = info->fib_entry; struct mlxsw_sp *mlxsw_sp = info->mlxsw_sp; + struct mlxsw_sp_vr *vr = fib_entry->vr; mlxsw_sp_fib_entry_destroy(fib_entry); - mlxsw_sp_vr_put(mlxsw_sp, fib_entry->vr); + mlxsw_sp_vr_put(mlxsw_sp, vr); kfree(info); } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index a1ad5e6bdfa8..d1b59cdfacc1 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -450,6 +450,8 @@ void mlxsw_sp_fid_destroy(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_fid *f) kfree(f); + mlxsw_sp_fid_map(mlxsw_sp, fid, false); + mlxsw_sp_fid_op(mlxsw_sp, fid, false); } @@ -997,13 +999,13 @@ static int mlxsw_sp_port_obj_add(struct net_device *dev, } static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, - u16 vid_begin, u16 vid_end, bool init) + u16 vid_begin, u16 vid_end) { struct net_device *dev = mlxsw_sp_port->dev; u16 vid, pvid; int err; - if (!init && !mlxsw_sp_port->bridged) + if (!mlxsw_sp_port->bridged) return -EINVAL; err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, @@ -1014,9 +1016,6 @@ static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, return err; } - if (init) - goto out; - pvid = mlxsw_sp_port->pvid; if (pvid >= vid_begin && pvid <= vid_end) { err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 0); @@ -1028,7 +1027,6 @@ static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, mlxsw_sp_port_fid_leave(mlxsw_sp_port, vid_begin, vid_end); -out: /* Changing activity bits only if HW operation succeded */ for (vid = vid_begin; vid <= vid_end; vid++) clear_bit(vid, mlxsw_sp_port->active_vlans); @@ -1039,8 +1037,8 @@ out: static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, const struct switchdev_obj_port_vlan *vlan) { - return __mlxsw_sp_port_vlans_del(mlxsw_sp_port, - vlan->vid_begin, vlan->vid_end, false); + return __mlxsw_sp_port_vlans_del(mlxsw_sp_port, vlan->vid_begin, + vlan->vid_end); } void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port) @@ -1048,7 +1046,7 @@ void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port) u16 vid; for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) - __mlxsw_sp_port_vlans_del(mlxsw_sp_port, vid, vid, false); + __mlxsw_sp_port_vlans_del(mlxsw_sp_port, vid, vid); } static int @@ -1546,32 +1544,6 @@ void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp) mlxsw_sp_fdb_fini(mlxsw_sp); } -int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port) -{ - struct net_device *dev = mlxsw_sp_port->dev; - int err; - - /* Allow only untagged packets to ingress and tag them internally - * with VID 1. - */ - mlxsw_sp_port->pvid = 1; - err = __mlxsw_sp_port_vlans_del(mlxsw_sp_port, 0, VLAN_N_VID - 1, - true); - if (err) { - netdev_err(dev, "Unable to init VLANs\n"); - return err; - } - - /* Add implicit VLAN interface in the device, so that untagged - * packets will be classified to the default vFID. - */ - err = mlxsw_sp_port_add_vid(dev, 0, 1); - if (err) - netdev_err(dev, "Failed to configure default vFID\n"); - - return err; -} - void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port) { mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops; diff --git a/drivers/net/ethernet/mellanox/mlxsw/trap.h b/drivers/net/ethernet/mellanox/mlxsw/trap.h index 470d7696e9fe..ed8e30186400 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/trap.h +++ b/drivers/net/ethernet/mellanox/mlxsw/trap.h @@ -56,6 +56,10 @@ enum { MLXSW_TRAP_ID_IGMP_V3_REPORT = 0x34, MLXSW_TRAP_ID_ARPBC = 0x50, MLXSW_TRAP_ID_ARPUC = 0x51, + MLXSW_TRAP_ID_MTUERROR = 0x52, + MLXSW_TRAP_ID_TTLERROR = 0x53, + MLXSW_TRAP_ID_LBERROR = 0x54, + MLXSW_TRAP_ID_OSPF = 0x55, MLXSW_TRAP_ID_IP2ME = 0x5F, MLXSW_TRAP_ID_RTR_INGRESS0 = 0x70, MLXSW_TRAP_ID_HOST_MISS_IPV4 = 0x90, diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c index d0dc28f93c0e..226cb08cc055 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c @@ -52,40 +52,94 @@ static bool qed_dcbx_app_ethtype(u32 app_info_bitmap) DCBX_APP_SF_ETHTYPE); } +static bool qed_dcbx_ieee_app_ethtype(u32 app_info_bitmap) +{ + u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE); + + /* Old MFW */ + if (mfw_val == DCBX_APP_SF_IEEE_RESERVED) + return qed_dcbx_app_ethtype(app_info_bitmap); + + return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE); +} + static bool qed_dcbx_app_port(u32 app_info_bitmap) { return !!(QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) == DCBX_APP_SF_PORT); } -static bool qed_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id) +static bool qed_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type) { - return !!(qed_dcbx_app_ethtype(app_info_bitmap) && - proto_id == QED_ETH_TYPE_DEFAULT); + u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE); + + /* Old MFW */ + if (mfw_val == DCBX_APP_SF_IEEE_RESERVED) + return qed_dcbx_app_port(app_info_bitmap); + + return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT); } -static bool qed_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id) +static bool qed_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { - return !!(qed_dcbx_app_port(app_info_bitmap) && - proto_id == QED_TCP_PORT_ISCSI); + bool ethtype; + + if (ieee) + ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap); + else + ethtype = qed_dcbx_app_ethtype(app_info_bitmap); + + return !!(ethtype && (proto_id == QED_ETH_TYPE_DEFAULT)); } -static bool qed_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id) +static bool qed_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { - return !!(qed_dcbx_app_ethtype(app_info_bitmap) && - proto_id == QED_ETH_TYPE_FCOE); + bool port; + + if (ieee) + port = qed_dcbx_ieee_app_port(app_info_bitmap, + DCBX_APP_SF_IEEE_TCP_PORT); + else + port = qed_dcbx_app_port(app_info_bitmap); + + return !!(port && (proto_id == QED_TCP_PORT_ISCSI)); } -static bool qed_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id) +static bool qed_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { - return !!(qed_dcbx_app_ethtype(app_info_bitmap) && - proto_id == QED_ETH_TYPE_ROCE); + bool ethtype; + + if (ieee) + ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap); + else + ethtype = qed_dcbx_app_ethtype(app_info_bitmap); + + return !!(ethtype && (proto_id == QED_ETH_TYPE_FCOE)); } -static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id) +static bool qed_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { - return !!(qed_dcbx_app_port(app_info_bitmap) && - proto_id == QED_UDP_PORT_TYPE_ROCE_V2); + bool ethtype; + + if (ieee) + ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap); + else + ethtype = qed_dcbx_app_ethtype(app_info_bitmap); + + return !!(ethtype && (proto_id == QED_ETH_TYPE_ROCE)); +} + +static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) +{ + bool port; + + if (ieee) + port = qed_dcbx_ieee_app_port(app_info_bitmap, + DCBX_APP_SF_IEEE_UDP_PORT); + else + port = qed_dcbx_app_port(app_info_bitmap); + + return !!(port && (proto_id == QED_UDP_PORT_TYPE_ROCE_V2)); } static void @@ -164,17 +218,17 @@ qed_dcbx_update_app_info(struct qed_dcbx_results *p_data, static bool qed_dcbx_get_app_protocol_type(struct qed_hwfn *p_hwfn, u32 app_prio_bitmap, - u16 id, enum dcbx_protocol_type *type) + u16 id, enum dcbx_protocol_type *type, bool ieee) { - if (qed_dcbx_fcoe_tlv(app_prio_bitmap, id)) { + if (qed_dcbx_fcoe_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_FCOE; - } else if (qed_dcbx_roce_tlv(app_prio_bitmap, id)) { + } else if (qed_dcbx_roce_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_ROCE; - } else if (qed_dcbx_iscsi_tlv(app_prio_bitmap, id)) { + } else if (qed_dcbx_iscsi_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_ISCSI; - } else if (qed_dcbx_default_tlv(app_prio_bitmap, id)) { + } else if (qed_dcbx_default_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_ETH; - } else if (qed_dcbx_roce_v2_tlv(app_prio_bitmap, id)) { + } else if (qed_dcbx_roce_v2_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_ROCE_V2; } else { *type = DCBX_MAX_PROTOCOL_TYPE; @@ -194,17 +248,18 @@ static int qed_dcbx_process_tlv(struct qed_hwfn *p_hwfn, struct qed_dcbx_results *p_data, struct dcbx_app_priority_entry *p_tbl, - u32 pri_tc_tbl, int count, bool dcbx_enabled) + u32 pri_tc_tbl, int count, u8 dcbx_version) { u8 tc, priority_map; enum dcbx_protocol_type type; + bool enable, ieee; u16 protocol_id; int priority; - bool enable; int i; DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Num APP entries = %d\n", count); + ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE); /* Parse APP TLV */ for (i = 0; i < count; i++) { protocol_id = QED_MFW_GET_FIELD(p_tbl[i].entry, @@ -219,7 +274,7 @@ qed_dcbx_process_tlv(struct qed_hwfn *p_hwfn, tc = QED_DCBX_PRIO2TC(pri_tc_tbl, priority); if (qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry, - protocol_id, &type)) { + protocol_id, &type, ieee)) { /* ETH always have the enable bit reset, as it gets * vlan information per packet. For other protocols, * should be set according to the dcbx_enabled @@ -275,15 +330,12 @@ static int qed_dcbx_process_mib_info(struct qed_hwfn *p_hwfn) struct dcbx_ets_feature *p_ets; struct qed_hw_info *p_info; u32 pri_tc_tbl, flags; - bool dcbx_enabled; + u8 dcbx_version; int num_entries; int rc = 0; - /* If DCBx version is non zero, then negotiation was - * successfuly performed - */ flags = p_hwfn->p_dcbx_info->operational.flags; - dcbx_enabled = !!QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION); + dcbx_version = QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION); p_app = &p_hwfn->p_dcbx_info->operational.features.app; p_tbl = p_app->app_pri_tbl; @@ -295,13 +347,13 @@ static int qed_dcbx_process_mib_info(struct qed_hwfn *p_hwfn) num_entries = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES); rc = qed_dcbx_process_tlv(p_hwfn, &data, p_tbl, pri_tc_tbl, - num_entries, dcbx_enabled); + num_entries, dcbx_version); if (rc) return rc; p_info->num_tc = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS); data.pf_id = p_hwfn->rel_pf_id; - data.dcbx_enabled = dcbx_enabled; + data.dcbx_enabled = !!dcbx_version; qed_dcbx_dp_protocol(p_hwfn, &data); @@ -400,7 +452,7 @@ static void qed_dcbx_get_app_data(struct qed_hwfn *p_hwfn, struct dcbx_app_priority_feature *p_app, struct dcbx_app_priority_entry *p_tbl, - struct qed_dcbx_params *p_params) + struct qed_dcbx_params *p_params, bool ieee) { struct qed_app_entry *entry; u8 pri_map; @@ -414,15 +466,46 @@ qed_dcbx_get_app_data(struct qed_hwfn *p_hwfn, DCBX_APP_NUM_ENTRIES); for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { entry = &p_params->app_entry[i]; - entry->ethtype = !(QED_MFW_GET_FIELD(p_tbl[i].entry, - DCBX_APP_SF)); + if (ieee) { + u8 sf_ieee; + u32 val; + + sf_ieee = QED_MFW_GET_FIELD(p_tbl[i].entry, + DCBX_APP_SF_IEEE); + switch (sf_ieee) { + case DCBX_APP_SF_IEEE_RESERVED: + /* Old MFW */ + val = QED_MFW_GET_FIELD(p_tbl[i].entry, + DCBX_APP_SF); + entry->sf_ieee = val ? + QED_DCBX_SF_IEEE_TCP_UDP_PORT : + QED_DCBX_SF_IEEE_ETHTYPE; + break; + case DCBX_APP_SF_IEEE_ETHTYPE: + entry->sf_ieee = QED_DCBX_SF_IEEE_ETHTYPE; + break; + case DCBX_APP_SF_IEEE_TCP_PORT: + entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_PORT; + break; + case DCBX_APP_SF_IEEE_UDP_PORT: + entry->sf_ieee = QED_DCBX_SF_IEEE_UDP_PORT; + break; + case DCBX_APP_SF_IEEE_TCP_UDP_PORT: + entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_UDP_PORT; + break; + } + } else { + entry->ethtype = !(QED_MFW_GET_FIELD(p_tbl[i].entry, + DCBX_APP_SF)); + } + pri_map = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP); entry->prio = ffs(pri_map) - 1; entry->proto_id = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PROTOCOL_ID); qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry, entry->proto_id, - &entry->proto_type); + &entry->proto_type, ieee); } DP_VERBOSE(p_hwfn, QED_MSG_DCB, @@ -483,7 +566,7 @@ qed_dcbx_get_ets_data(struct qed_hwfn *p_hwfn, bw_map[1] = be32_to_cpu(p_ets->tc_bw_tbl[1]); tsa_map[0] = be32_to_cpu(p_ets->tc_tsa_tbl[0]); tsa_map[1] = be32_to_cpu(p_ets->tc_tsa_tbl[1]); - pri_map = be32_to_cpu(p_ets->pri_tc_tbl[0]); + pri_map = p_ets->pri_tc_tbl[0]; for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) { p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i]; p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i]; @@ -500,9 +583,9 @@ qed_dcbx_get_common_params(struct qed_hwfn *p_hwfn, struct dcbx_app_priority_feature *p_app, struct dcbx_app_priority_entry *p_tbl, struct dcbx_ets_feature *p_ets, - u32 pfc, struct qed_dcbx_params *p_params) + u32 pfc, struct qed_dcbx_params *p_params, bool ieee) { - qed_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params); + qed_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee); qed_dcbx_get_ets_data(p_hwfn, p_ets, p_params); qed_dcbx_get_pfc_data(p_hwfn, pfc, p_params); } @@ -516,7 +599,7 @@ qed_dcbx_get_local_params(struct qed_hwfn *p_hwfn, p_feat = &p_hwfn->p_dcbx_info->local_admin.features; qed_dcbx_get_common_params(p_hwfn, &p_feat->app, p_feat->app.app_pri_tbl, &p_feat->ets, - p_feat->pfc, ¶ms->local.params); + p_feat->pfc, ¶ms->local.params, false); params->local.valid = true; } @@ -529,7 +612,7 @@ qed_dcbx_get_remote_params(struct qed_hwfn *p_hwfn, p_feat = &p_hwfn->p_dcbx_info->remote.features; qed_dcbx_get_common_params(p_hwfn, &p_feat->app, p_feat->app.app_pri_tbl, &p_feat->ets, - p_feat->pfc, ¶ms->remote.params); + p_feat->pfc, ¶ms->remote.params, false); params->remote.valid = true; } @@ -574,7 +657,8 @@ qed_dcbx_get_operational_params(struct qed_hwfn *p_hwfn, qed_dcbx_get_common_params(p_hwfn, &p_feat->app, p_feat->app.app_pri_tbl, &p_feat->ets, - p_feat->pfc, ¶ms->operational.params); + p_feat->pfc, ¶ms->operational.params, + p_operational->ieee); qed_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio, p_results); err = QED_MFW_GET_FIELD(p_feat->app.flags, DCBX_APP_ERROR); p_operational->err = err; @@ -944,7 +1028,6 @@ qed_dcbx_set_ets_data(struct qed_hwfn *p_hwfn, val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4)); p_ets->pri_tc_tbl[0] |= val; } - p_ets->pri_tc_tbl[0] = cpu_to_be32(p_ets->pri_tc_tbl[0]); for (i = 0; i < 2; i++) { p_ets->tc_bw_tbl[i] = cpu_to_be32(p_ets->tc_bw_tbl[i]); p_ets->tc_tsa_tbl[i] = cpu_to_be32(p_ets->tc_tsa_tbl[i]); @@ -954,7 +1037,7 @@ qed_dcbx_set_ets_data(struct qed_hwfn *p_hwfn, static void qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn, struct dcbx_app_priority_feature *p_app, - struct qed_dcbx_params *p_params) + struct qed_dcbx_params *p_params, bool ieee) { u32 *entry; int i; @@ -975,12 +1058,36 @@ qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn, for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { entry = &p_app->app_pri_tbl[i].entry; - *entry &= ~DCBX_APP_SF_MASK; - if (p_params->app_entry[i].ethtype) - *entry |= ((u32)DCBX_APP_SF_ETHTYPE << - DCBX_APP_SF_SHIFT); - else - *entry |= ((u32)DCBX_APP_SF_PORT << DCBX_APP_SF_SHIFT); + if (ieee) { + *entry &= ~DCBX_APP_SF_IEEE_MASK; + switch (p_params->app_entry[i].sf_ieee) { + case QED_DCBX_SF_IEEE_ETHTYPE: + *entry |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE << + DCBX_APP_SF_IEEE_SHIFT); + break; + case QED_DCBX_SF_IEEE_TCP_PORT: + *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT << + DCBX_APP_SF_IEEE_SHIFT); + break; + case QED_DCBX_SF_IEEE_UDP_PORT: + *entry |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT << + DCBX_APP_SF_IEEE_SHIFT); + break; + case QED_DCBX_SF_IEEE_TCP_UDP_PORT: + *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT << + DCBX_APP_SF_IEEE_SHIFT); + break; + } + } else { + *entry &= ~DCBX_APP_SF_MASK; + if (p_params->app_entry[i].ethtype) + *entry |= ((u32)DCBX_APP_SF_ETHTYPE << + DCBX_APP_SF_SHIFT); + else + *entry |= ((u32)DCBX_APP_SF_PORT << + DCBX_APP_SF_SHIFT); + } + *entry &= ~DCBX_APP_PROTOCOL_ID_MASK; *entry |= ((u32)p_params->app_entry[i].proto_id << DCBX_APP_PROTOCOL_ID_SHIFT); @@ -995,15 +1102,19 @@ qed_dcbx_set_local_params(struct qed_hwfn *p_hwfn, struct dcbx_local_params *local_admin, struct qed_dcbx_set *params) { + bool ieee = false; + local_admin->flags = 0; memcpy(&local_admin->features, &p_hwfn->p_dcbx_info->operational.features, sizeof(local_admin->features)); - if (params->enabled) + if (params->enabled) { local_admin->config = params->ver_num; - else + ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE); + } else { local_admin->config = DCBX_CONFIG_VERSION_DISABLED; + } if (params->override_flags & QED_DCBX_OVERRIDE_PFC_CFG) qed_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc, @@ -1015,7 +1126,7 @@ qed_dcbx_set_local_params(struct qed_hwfn *p_hwfn, if (params->override_flags & QED_DCBX_OVERRIDE_APP_CFG) qed_dcbx_set_app_data(p_hwfn, &local_admin->features.app, - ¶ms->config.params); + ¶ms->config.params, ieee); } int qed_dcbx_config_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, @@ -1596,8 +1707,10 @@ static int qed_dcbnl_setapp(struct qed_dev *cdev, if ((entry->ethtype == ethtype) && (entry->proto_id == idval)) break; /* First empty slot */ - if (!entry->proto_id) + if (!entry->proto_id) { + dcbx_set.config.params.num_app_entries++; break; + } } if (i == QED_DCBX_MAX_APP_PROTOCOL) { @@ -2117,8 +2230,10 @@ int qed_dcbnl_ieee_setapp(struct qed_dev *cdev, struct dcb_app *app) (entry->proto_id == app->protocol)) break; /* First empty slot */ - if (!entry->proto_id) + if (!entry->proto_id) { + dcbx_set.config.params.num_app_entries++; break; + } } if (i == QED_DCBX_MAX_APP_PROTOCOL) { diff --git a/drivers/net/ethernet/qlogic/qed/qed_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_hsi.h index 592784019994..6f9d3b831a2a 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_hsi.h +++ b/drivers/net/ethernet/qlogic/qed/qed_hsi.h @@ -6850,6 +6850,14 @@ struct dcbx_app_priority_entry { #define DCBX_APP_SF_SHIFT 8 #define DCBX_APP_SF_ETHTYPE 0 #define DCBX_APP_SF_PORT 1 +#define DCBX_APP_SF_IEEE_MASK 0x0000f000 +#define DCBX_APP_SF_IEEE_SHIFT 12 +#define DCBX_APP_SF_IEEE_RESERVED 0 +#define DCBX_APP_SF_IEEE_ETHTYPE 1 +#define DCBX_APP_SF_IEEE_TCP_PORT 2 +#define DCBX_APP_SF_IEEE_UDP_PORT 3 +#define DCBX_APP_SF_IEEE_TCP_UDP_PORT 4 + #define DCBX_APP_PROTOCOL_ID_MASK 0xffff0000 #define DCBX_APP_PROTOCOL_ID_SHIFT 16 }; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index fd973f4f16c7..49bad00a0f8f 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -37,8 +37,8 @@ #define _QLCNIC_LINUX_MAJOR 5 #define _QLCNIC_LINUX_MINOR 3 -#define _QLCNIC_LINUX_SUBVERSION 64 -#define QLCNIC_LINUX_VERSIONID "5.3.64" +#define _QLCNIC_LINUX_SUBVERSION 65 +#define QLCNIC_LINUX_VERSIONID "5.3.65" #define QLCNIC_DRV_IDC_VER 0x01 #define QLCNIC_DRIVER_VERSION ((_QLCNIC_LINUX_MAJOR << 16) |\ (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION)) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c index 87c642d3b075..fedd7366713c 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c @@ -102,7 +102,6 @@ #define QLCNIC_RESPONSE_DESC 0x05 #define QLCNIC_LRO_DESC 0x12 -#define QLCNIC_TX_POLL_BUDGET 128 #define QLCNIC_TCP_HDR_SIZE 20 #define QLCNIC_TCP_TS_OPTION_SIZE 12 #define QLCNIC_FETCH_RING_ID(handle) ((handle) >> 63) @@ -2008,7 +2007,6 @@ static int qlcnic_83xx_msix_tx_poll(struct napi_struct *napi, int budget) struct qlcnic_host_tx_ring *tx_ring; struct qlcnic_adapter *adapter; - budget = QLCNIC_TX_POLL_BUDGET; tx_ring = container_of(napi, struct qlcnic_host_tx_ring, napi); adapter = tx_ring->adapter; work_done = qlcnic_process_cmd_ring(adapter, tx_ring, budget); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h index 017d8c2c8285..24061b9b92e8 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h @@ -156,10 +156,8 @@ struct qlcnic_vf_info { spinlock_t vlan_list_lock; /* Lock for VLAN list */ }; -struct qlcnic_async_work_list { +struct qlcnic_async_cmd { struct list_head list; - struct work_struct work; - void *ptr; struct qlcnic_cmd_args *cmd; }; @@ -168,7 +166,10 @@ struct qlcnic_back_channel { struct workqueue_struct *bc_trans_wq; struct workqueue_struct *bc_async_wq; struct workqueue_struct *bc_flr_wq; - struct list_head async_list; + struct qlcnic_adapter *adapter; + struct list_head async_cmd_list; + struct work_struct vf_async_work; + spinlock_t queue_lock; /* async_cmd_list queue lock */ }; struct qlcnic_sriov { diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c index 7327b729ba2e..d7107055ec60 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c @@ -29,6 +29,7 @@ #define QLC_83XX_VF_RESET_FAIL_THRESH 8 #define QLC_BC_CMD_MAX_RETRY_CNT 5 +static void qlcnic_sriov_handle_async_issue_cmd(struct work_struct *work); static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *); static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *, u32); static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *); @@ -177,7 +178,10 @@ int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs) } bc->bc_async_wq = wq; - INIT_LIST_HEAD(&bc->async_list); + INIT_LIST_HEAD(&bc->async_cmd_list); + INIT_WORK(&bc->vf_async_work, qlcnic_sriov_handle_async_issue_cmd); + spin_lock_init(&bc->queue_lock); + bc->adapter = adapter; for (i = 0; i < num_vfs; i++) { vf = &sriov->vf_info[i]; @@ -1517,17 +1521,21 @@ static void qlcnic_vf_add_mc_list(struct net_device *netdev, const u8 *mac, void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *bc) { - struct list_head *head = &bc->async_list; - struct qlcnic_async_work_list *entry; + struct list_head *head = &bc->async_cmd_list; + struct qlcnic_async_cmd *entry; flush_workqueue(bc->bc_async_wq); + cancel_work_sync(&bc->vf_async_work); + + spin_lock(&bc->queue_lock); while (!list_empty(head)) { - entry = list_entry(head->next, struct qlcnic_async_work_list, + entry = list_entry(head->next, struct qlcnic_async_cmd, list); - cancel_work_sync(&entry->work); list_del(&entry->list); + kfree(entry->cmd); kfree(entry); } + spin_unlock(&bc->queue_lock); } void qlcnic_sriov_vf_set_multi(struct net_device *netdev) @@ -1587,57 +1595,64 @@ void qlcnic_sriov_vf_set_multi(struct net_device *netdev) static void qlcnic_sriov_handle_async_issue_cmd(struct work_struct *work) { - struct qlcnic_async_work_list *entry; - struct qlcnic_adapter *adapter; + struct qlcnic_async_cmd *entry, *tmp; + struct qlcnic_back_channel *bc; struct qlcnic_cmd_args *cmd; + struct list_head *head; + LIST_HEAD(del_list); + + bc = container_of(work, struct qlcnic_back_channel, vf_async_work); + head = &bc->async_cmd_list; + + spin_lock(&bc->queue_lock); + list_splice_init(head, &del_list); + spin_unlock(&bc->queue_lock); + + list_for_each_entry_safe(entry, tmp, &del_list, list) { + list_del(&entry->list); + cmd = entry->cmd; + __qlcnic_sriov_issue_cmd(bc->adapter, cmd); + kfree(entry); + } + + if (!list_empty(head)) + queue_work(bc->bc_async_wq, &bc->vf_async_work); - entry = container_of(work, struct qlcnic_async_work_list, work); - adapter = entry->ptr; - cmd = entry->cmd; - __qlcnic_sriov_issue_cmd(adapter, cmd); return; } -static struct qlcnic_async_work_list * -qlcnic_sriov_get_free_node_async_work(struct qlcnic_back_channel *bc) +static struct qlcnic_async_cmd * +qlcnic_sriov_alloc_async_cmd(struct qlcnic_back_channel *bc, + struct qlcnic_cmd_args *cmd) { - struct list_head *node; - struct qlcnic_async_work_list *entry = NULL; - u8 empty = 0; + struct qlcnic_async_cmd *entry = NULL; - list_for_each(node, &bc->async_list) { - entry = list_entry(node, struct qlcnic_async_work_list, list); - if (!work_pending(&entry->work)) { - empty = 1; - break; - } - } + entry = kzalloc(sizeof(*entry), GFP_ATOMIC); + if (!entry) + return NULL; - if (!empty) { - entry = kzalloc(sizeof(struct qlcnic_async_work_list), - GFP_ATOMIC); - if (entry == NULL) - return NULL; - list_add_tail(&entry->list, &bc->async_list); - } + entry->cmd = cmd; + + spin_lock(&bc->queue_lock); + list_add_tail(&entry->list, &bc->async_cmd_list); + spin_unlock(&bc->queue_lock); return entry; } static void qlcnic_sriov_schedule_async_cmd(struct qlcnic_back_channel *bc, - work_func_t func, void *data, struct qlcnic_cmd_args *cmd) { - struct qlcnic_async_work_list *entry = NULL; + struct qlcnic_async_cmd *entry = NULL; - entry = qlcnic_sriov_get_free_node_async_work(bc); - if (!entry) + entry = qlcnic_sriov_alloc_async_cmd(bc, cmd); + if (!entry) { + qlcnic_free_mbx_args(cmd); + kfree(cmd); return; + } - entry->ptr = data; - entry->cmd = cmd; - INIT_WORK(&entry->work, func); - queue_work(bc->bc_async_wq, &entry->work); + queue_work(bc->bc_async_wq, &bc->vf_async_work); } static int qlcnic_sriov_async_issue_cmd(struct qlcnic_adapter *adapter, @@ -1649,8 +1664,8 @@ static int qlcnic_sriov_async_issue_cmd(struct qlcnic_adapter *adapter, if (adapter->need_fw_reset) return -EIO; - qlcnic_sriov_schedule_async_cmd(bc, qlcnic_sriov_handle_async_issue_cmd, - adapter, cmd); + qlcnic_sriov_schedule_async_cmd(bc, cmd); + return 0; } diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index c51f34693eae..f85d605e4560 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -734,6 +734,7 @@ static void cpsw_rx_handler(void *token, int len, int status) netif_receive_skb(skb); ndev->stats.rx_bytes += len; ndev->stats.rx_packets++; + kmemleak_not_leak(new_skb); } else { ndev->stats.rx_dropped++; new_skb = skb; @@ -1325,6 +1326,7 @@ static int cpsw_ndo_open(struct net_device *ndev) kfree_skb(skb); goto err_cleanup; } + kmemleak_not_leak(skb); } /* continue even if we didn't manage to submit all * receive descs diff --git a/drivers/net/ethernet/tundra/tsi108_eth.c b/drivers/net/ethernet/tundra/tsi108_eth.c index 01a77145a0fa..8fd131207ee1 100644 --- a/drivers/net/ethernet/tundra/tsi108_eth.c +++ b/drivers/net/ethernet/tundra/tsi108_eth.c @@ -166,6 +166,7 @@ static struct platform_driver tsi_eth_driver = { static void tsi108_timed_checker(unsigned long dev_ptr); +#ifdef DEBUG static void dump_eth_one(struct net_device *dev) { struct tsi108_prv_data *data = netdev_priv(dev); @@ -190,6 +191,7 @@ static void dump_eth_one(struct net_device *dev) TSI_READ(TSI108_EC_RXESTAT), TSI_READ(TSI108_EC_RXERR), data->rxpending); } +#endif /* Synchronization is needed between the thread and up/down events. * Note that the PHY is accessed through the same registers for both diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 467fb8b4d083..591af71eae56 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -644,12 +644,6 @@ struct netvsc_reconfig { u32 event; }; -struct garp_wrk { - struct work_struct dwrk; - struct net_device *netdev; - struct netvsc_device *netvsc_dev; -}; - /* The context of the netvsc device */ struct net_device_context { /* point back to our device context */ @@ -667,7 +661,6 @@ struct net_device_context { struct work_struct work; u32 msg_enable; /* debug level */ - struct garp_wrk gwrk; struct netvsc_stats __percpu *tx_stats; struct netvsc_stats __percpu *rx_stats; @@ -678,6 +671,15 @@ struct net_device_context { /* the device is going away */ bool start_remove; + + /* State to manage the associated VF interface. */ + struct net_device *vf_netdev; + bool vf_inject; + atomic_t vf_use_cnt; + /* 1: allocated, serial number is valid. 0: not allocated */ + u32 vf_alloc; + /* Serial number of the VF to team with */ + u32 vf_serial; }; /* Per netvsc device */ @@ -733,15 +735,7 @@ struct netvsc_device { u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ u32 pkt_align; /* alignment bytes, e.g. 8 */ - /* 1: allocated, serial number is valid. 0: not allocated */ - u32 vf_alloc; - /* Serial number of the VF to team with */ - u32 vf_serial; atomic_t open_cnt; - /* State to manage the associated VF interface. */ - bool vf_inject; - struct net_device *vf_netdev; - atomic_t vf_use_cnt; }; static inline struct netvsc_device * diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 20e09174ff62..410fb8e81376 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -77,13 +77,9 @@ static struct netvsc_device *alloc_net_device(void) init_waitqueue_head(&net_device->wait_drain); net_device->destroy = false; atomic_set(&net_device->open_cnt, 0); - atomic_set(&net_device->vf_use_cnt, 0); net_device->max_pkt = RNDIS_MAX_PKT_DEFAULT; net_device->pkt_align = RNDIS_PKT_ALIGN_DEFAULT; - net_device->vf_netdev = NULL; - net_device->vf_inject = false; - return net_device; } @@ -1106,16 +1102,16 @@ static void netvsc_send_table(struct hv_device *hdev, nvscdev->send_table[i] = tab[i]; } -static void netvsc_send_vf(struct netvsc_device *nvdev, +static void netvsc_send_vf(struct net_device_context *net_device_ctx, struct nvsp_message *nvmsg) { - nvdev->vf_alloc = nvmsg->msg.v4_msg.vf_assoc.allocated; - nvdev->vf_serial = nvmsg->msg.v4_msg.vf_assoc.serial; + net_device_ctx->vf_alloc = nvmsg->msg.v4_msg.vf_assoc.allocated; + net_device_ctx->vf_serial = nvmsg->msg.v4_msg.vf_assoc.serial; } static inline void netvsc_receive_inband(struct hv_device *hdev, - struct netvsc_device *nvdev, - struct nvsp_message *nvmsg) + struct net_device_context *net_device_ctx, + struct nvsp_message *nvmsg) { switch (nvmsg->hdr.msg_type) { case NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE: @@ -1123,7 +1119,7 @@ static inline void netvsc_receive_inband(struct hv_device *hdev, break; case NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION: - netvsc_send_vf(nvdev, nvmsg); + netvsc_send_vf(net_device_ctx, nvmsg); break; } } @@ -1136,6 +1132,7 @@ static void netvsc_process_raw_pkt(struct hv_device *device, struct vmpacket_descriptor *desc) { struct nvsp_message *nvmsg; + struct net_device_context *net_device_ctx = netdev_priv(ndev); nvmsg = (struct nvsp_message *)((unsigned long) desc + (desc->offset8 << 3)); @@ -1150,7 +1147,7 @@ static void netvsc_process_raw_pkt(struct hv_device *device, break; case VM_PKT_DATA_INBAND: - netvsc_receive_inband(device, net_device, nvmsg); + netvsc_receive_inband(device, net_device_ctx, nvmsg); break; default: diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 41bd952cc28d..3ba29fc80d05 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -658,20 +658,19 @@ int netvsc_recv_callback(struct hv_device *device_obj, struct sk_buff *skb; struct sk_buff *vf_skb; struct netvsc_stats *rx_stats; - struct netvsc_device *netvsc_dev = net_device_ctx->nvdev; u32 bytes_recvd = packet->total_data_buflen; int ret = 0; if (!net || net->reg_state != NETREG_REGISTERED) return NVSP_STAT_FAIL; - if (READ_ONCE(netvsc_dev->vf_inject)) { - atomic_inc(&netvsc_dev->vf_use_cnt); - if (!READ_ONCE(netvsc_dev->vf_inject)) { + if (READ_ONCE(net_device_ctx->vf_inject)) { + atomic_inc(&net_device_ctx->vf_use_cnt); + if (!READ_ONCE(net_device_ctx->vf_inject)) { /* * We raced; just move on. */ - atomic_dec(&netvsc_dev->vf_use_cnt); + atomic_dec(&net_device_ctx->vf_use_cnt); goto vf_injection_done; } @@ -683,17 +682,19 @@ int netvsc_recv_callback(struct hv_device *device_obj, * the host). Deliver these via the VF interface * in the guest. */ - vf_skb = netvsc_alloc_recv_skb(netvsc_dev->vf_netdev, packet, - csum_info, *data, vlan_tci); + vf_skb = netvsc_alloc_recv_skb(net_device_ctx->vf_netdev, + packet, csum_info, *data, + vlan_tci); if (vf_skb != NULL) { - ++netvsc_dev->vf_netdev->stats.rx_packets; - netvsc_dev->vf_netdev->stats.rx_bytes += bytes_recvd; + ++net_device_ctx->vf_netdev->stats.rx_packets; + net_device_ctx->vf_netdev->stats.rx_bytes += + bytes_recvd; netif_receive_skb(vf_skb); } else { ++net->stats.rx_dropped; ret = NVSP_STAT_FAIL; } - atomic_dec(&netvsc_dev->vf_use_cnt); + atomic_dec(&net_device_ctx->vf_use_cnt); return ret; } @@ -1150,17 +1151,6 @@ static void netvsc_free_netdev(struct net_device *netdev) free_netdev(netdev); } -static void netvsc_notify_peers(struct work_struct *wrk) -{ - struct garp_wrk *gwrk; - - gwrk = container_of(wrk, struct garp_wrk, dwrk); - - netdev_notify_peers(gwrk->netdev); - - atomic_dec(&gwrk->netvsc_dev->vf_use_cnt); -} - static struct net_device *get_netvsc_net_device(char *mac) { struct net_device *dev, *found = NULL; @@ -1203,7 +1193,7 @@ static int netvsc_register_vf(struct net_device *vf_netdev) net_device_ctx = netdev_priv(ndev); netvsc_dev = net_device_ctx->nvdev; - if (netvsc_dev == NULL) + if (!netvsc_dev || net_device_ctx->vf_netdev) return NOTIFY_DONE; netdev_info(ndev, "VF registering: %s\n", vf_netdev->name); @@ -1211,10 +1201,23 @@ static int netvsc_register_vf(struct net_device *vf_netdev) * Take a reference on the module. */ try_module_get(THIS_MODULE); - netvsc_dev->vf_netdev = vf_netdev; + net_device_ctx->vf_netdev = vf_netdev; return NOTIFY_OK; } +static void netvsc_inject_enable(struct net_device_context *net_device_ctx) +{ + net_device_ctx->vf_inject = true; +} + +static void netvsc_inject_disable(struct net_device_context *net_device_ctx) +{ + net_device_ctx->vf_inject = false; + + /* Wait for currently active users to drain out. */ + while (atomic_read(&net_device_ctx->vf_use_cnt) != 0) + udelay(50); +} static int netvsc_vf_up(struct net_device *vf_netdev) { @@ -1233,11 +1236,11 @@ static int netvsc_vf_up(struct net_device *vf_netdev) net_device_ctx = netdev_priv(ndev); netvsc_dev = net_device_ctx->nvdev; - if ((netvsc_dev == NULL) || (netvsc_dev->vf_netdev == NULL)) + if (!netvsc_dev || !net_device_ctx->vf_netdev) return NOTIFY_DONE; netdev_info(ndev, "VF up: %s\n", vf_netdev->name); - netvsc_dev->vf_inject = true; + netvsc_inject_enable(net_device_ctx); /* * Open the device before switching data path. @@ -1252,15 +1255,8 @@ static int netvsc_vf_up(struct net_device *vf_netdev) netif_carrier_off(ndev); - /* - * Now notify peers. We are scheduling work to - * notify peers; take a reference to prevent - * the VF interface from vanishing. - */ - atomic_inc(&netvsc_dev->vf_use_cnt); - net_device_ctx->gwrk.netdev = vf_netdev; - net_device_ctx->gwrk.netvsc_dev = netvsc_dev; - schedule_work(&net_device_ctx->gwrk.dwrk); + /* Now notify peers through VF device. */ + call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, vf_netdev); return NOTIFY_OK; } @@ -1283,29 +1279,18 @@ static int netvsc_vf_down(struct net_device *vf_netdev) net_device_ctx = netdev_priv(ndev); netvsc_dev = net_device_ctx->nvdev; - if ((netvsc_dev == NULL) || (netvsc_dev->vf_netdev == NULL)) + if (!netvsc_dev || !net_device_ctx->vf_netdev) return NOTIFY_DONE; netdev_info(ndev, "VF down: %s\n", vf_netdev->name); - netvsc_dev->vf_inject = false; - /* - * Wait for currently active users to - * drain out. - */ - - while (atomic_read(&netvsc_dev->vf_use_cnt) != 0) - udelay(50); + netvsc_inject_disable(net_device_ctx); netvsc_switch_datapath(ndev, false); netdev_info(ndev, "Data path switched from VF: %s\n", vf_netdev->name); rndis_filter_close(netvsc_dev); netif_carrier_on(ndev); - /* - * Notify peers. - */ - atomic_inc(&netvsc_dev->vf_use_cnt); - net_device_ctx->gwrk.netdev = ndev; - net_device_ctx->gwrk.netvsc_dev = netvsc_dev; - schedule_work(&net_device_ctx->gwrk.dwrk); + + /* Now notify peers through netvsc device. */ + call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, ndev); return NOTIFY_OK; } @@ -1327,11 +1312,11 @@ static int netvsc_unregister_vf(struct net_device *vf_netdev) net_device_ctx = netdev_priv(ndev); netvsc_dev = net_device_ctx->nvdev; - if (netvsc_dev == NULL) + if (!netvsc_dev || !net_device_ctx->vf_netdev) return NOTIFY_DONE; netdev_info(ndev, "VF unregistering: %s\n", vf_netdev->name); - - netvsc_dev->vf_netdev = NULL; + netvsc_inject_disable(net_device_ctx); + net_device_ctx->vf_netdev = NULL; module_put(THIS_MODULE); return NOTIFY_OK; } @@ -1377,11 +1362,14 @@ static int netvsc_probe(struct hv_device *dev, INIT_DELAYED_WORK(&net_device_ctx->dwork, netvsc_link_change); INIT_WORK(&net_device_ctx->work, do_set_multicast); - INIT_WORK(&net_device_ctx->gwrk.dwrk, netvsc_notify_peers); spin_lock_init(&net_device_ctx->lock); INIT_LIST_HEAD(&net_device_ctx->reconfig_events); + atomic_set(&net_device_ctx->vf_use_cnt, 0); + net_device_ctx->vf_netdev = NULL; + net_device_ctx->vf_inject = false; + net->netdev_ops = &device_ops; net->hw_features = NETVSC_HW_FEATURES; @@ -1494,8 +1482,13 @@ static int netvsc_netdev_event(struct notifier_block *this, { struct net_device *event_dev = netdev_notifier_info_to_dev(ptr); - /* Avoid Vlan, Bonding dev with same MAC registering as VF */ - if (event_dev->priv_flags & (IFF_802_1Q_VLAN | IFF_BONDING)) + /* Avoid Vlan dev with same MAC registering as VF */ + if (event_dev->priv_flags & IFF_802_1Q_VLAN) + return NOTIFY_DONE; + + /* Avoid Bonding master dev with same MAC registering as VF */ + if (event_dev->priv_flags & IFF_BONDING && + event_dev->flags & IFF_MASTER) return NOTIFY_DONE; switch (event) { diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index d13e6e15d7b5..351e701eb043 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -270,6 +270,7 @@ struct macsec_dev { struct pcpu_secy_stats __percpu *stats; struct list_head secys; struct gro_cells gro_cells; + unsigned int nest_level; }; /** @@ -2699,6 +2700,8 @@ static netdev_tx_t macsec_start_xmit(struct sk_buff *skb, #define MACSEC_FEATURES \ (NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST) +static struct lock_class_key macsec_netdev_addr_lock_key; + static int macsec_dev_init(struct net_device *dev) { struct macsec_dev *macsec = macsec_priv(dev); @@ -2910,6 +2913,13 @@ static int macsec_get_iflink(const struct net_device *dev) return macsec_priv(dev)->real_dev->ifindex; } + +static int macsec_get_nest_level(struct net_device *dev) +{ + return macsec_priv(dev)->nest_level; +} + + static const struct net_device_ops macsec_netdev_ops = { .ndo_init = macsec_dev_init, .ndo_uninit = macsec_dev_uninit, @@ -2923,6 +2933,7 @@ static const struct net_device_ops macsec_netdev_ops = { .ndo_start_xmit = macsec_start_xmit, .ndo_get_stats64 = macsec_get_stats64, .ndo_get_iflink = macsec_get_iflink, + .ndo_get_lock_subclass = macsec_get_nest_level, }; static const struct device_type macsec_type = { @@ -3047,22 +3058,31 @@ static void macsec_del_dev(struct macsec_dev *macsec) } } +static void macsec_common_dellink(struct net_device *dev, struct list_head *head) +{ + struct macsec_dev *macsec = macsec_priv(dev); + struct net_device *real_dev = macsec->real_dev; + + unregister_netdevice_queue(dev, head); + list_del_rcu(&macsec->secys); + macsec_del_dev(macsec); + netdev_upper_dev_unlink(real_dev, dev); + + macsec_generation++; +} + static void macsec_dellink(struct net_device *dev, struct list_head *head) { struct macsec_dev *macsec = macsec_priv(dev); struct net_device *real_dev = macsec->real_dev; struct macsec_rxh_data *rxd = macsec_data_rtnl(real_dev); - macsec_generation++; + macsec_common_dellink(dev, head); - unregister_netdevice_queue(dev, head); - list_del_rcu(&macsec->secys); if (list_empty(&rxd->secys)) { netdev_rx_handler_unregister(real_dev); kfree(rxd); } - - macsec_del_dev(macsec); } static int register_macsec_dev(struct net_device *real_dev, @@ -3181,6 +3201,16 @@ static int macsec_newlink(struct net *net, struct net_device *dev, dev_hold(real_dev); + macsec->nest_level = dev_get_nest_level(real_dev) + 1; + netdev_lockdep_set_classes(dev); + lockdep_set_class_and_subclass(&dev->addr_list_lock, + &macsec_netdev_addr_lock_key, + macsec_get_nest_level(dev)); + + err = netdev_upper_dev_link(real_dev, dev); + if (err < 0) + goto unregister; + /* need to be already registered so that ->init has run and * the MAC addr is set */ @@ -3193,12 +3223,12 @@ static int macsec_newlink(struct net *net, struct net_device *dev, if (rx_handler && sci_exists(real_dev, sci)) { err = -EBUSY; - goto unregister; + goto unlink; } err = macsec_add_dev(dev, sci, icv_len); if (err) - goto unregister; + goto unlink; if (data) macsec_changelink_common(dev, data); @@ -3213,6 +3243,8 @@ static int macsec_newlink(struct net *net, struct net_device *dev, del_dev: macsec_del_dev(macsec); +unlink: + netdev_upper_dev_unlink(real_dev, dev); unregister: unregister_netdevice(dev); return err; @@ -3382,8 +3414,12 @@ static int macsec_notify(struct notifier_block *this, unsigned long event, rxd = macsec_data_rtnl(real_dev); list_for_each_entry_safe(m, n, &rxd->secys, secys) { - macsec_dellink(m->secy.netdev, &head); + macsec_common_dellink(m->secy.netdev, &head); } + + netdev_rx_handler_unregister(real_dev); + kfree(rxd); + unregister_netdevice_many(&head); break; } diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index cd9b53834bf6..3234fcdea317 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -1315,7 +1315,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, vlan->dev = dev; vlan->port = port; vlan->set_features = MACVLAN_FEATURES; - vlan->nest_level = dev_get_nest_level(lowerdev, netif_is_macvlan) + 1; + vlan->nest_level = dev_get_nest_level(lowerdev) + 1; vlan->mode = MACVLAN_MODE_VEPA; if (data && data[IFLA_MACVLAN_MODE]) diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index a38c0dac514b..070e3290aa6e 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -275,7 +275,6 @@ static void macvtap_put_queue(struct macvtap_queue *q) rtnl_unlock(); synchronize_rcu(); - skb_array_cleanup(&q->skb_array); sock_put(&q->sk); } @@ -533,10 +532,8 @@ static void macvtap_sock_write_space(struct sock *sk) static void macvtap_sock_destruct(struct sock *sk) { struct macvtap_queue *q = container_of(sk, struct macvtap_queue, sk); - struct sk_buff *skb; - while ((skb = skb_array_consume(&q->skb_array)) != NULL) - kfree_skb(skb); + skb_array_cleanup(&q->skb_array); } static int macvtap_open(struct inode *inode, struct file *file) diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 1882d9828c99..053e87905b94 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -677,17 +677,28 @@ static void kszphy_get_stats(struct phy_device *phydev, data[i] = kszphy_get_stat(phydev, i); } -static int kszphy_resume(struct phy_device *phydev) +static int kszphy_suspend(struct phy_device *phydev) { - int value; + /* Disable PHY Interrupts */ + if (phy_interrupt_is_valid(phydev)) { + phydev->interrupts = PHY_INTERRUPT_DISABLED; + if (phydev->drv->config_intr) + phydev->drv->config_intr(phydev); + } - mutex_lock(&phydev->lock); + return genphy_suspend(phydev); +} - value = phy_read(phydev, MII_BMCR); - phy_write(phydev, MII_BMCR, value & ~BMCR_PDOWN); +static int kszphy_resume(struct phy_device *phydev) +{ + genphy_resume(phydev); - kszphy_config_intr(phydev); - mutex_unlock(&phydev->lock); + /* Enable PHY Interrupts */ + if (phy_interrupt_is_valid(phydev)) { + phydev->interrupts = PHY_INTERRUPT_ENABLED; + if (phydev->drv->config_intr) + phydev->drv->config_intr(phydev); + } return 0; } @@ -900,7 +911,7 @@ static struct phy_driver ksphy_driver[] = { .get_sset_count = kszphy_get_sset_count, .get_strings = kszphy_get_strings, .get_stats = kszphy_get_stats, - .suspend = genphy_suspend, + .suspend = kszphy_suspend, .resume = kszphy_resume, }, { .phy_id = PHY_ID_KSZ8061, diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index da4e3d6632f6..c0dda6fc0921 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1811,7 +1811,7 @@ static struct rtable *vxlan_get_route(struct vxlan_dev *vxlan, fl4.flowi4_mark = skb->mark; fl4.flowi4_proto = IPPROTO_UDP; fl4.daddr = daddr; - fl4.saddr = vxlan->cfg.saddr.sin.sin_addr.s_addr; + fl4.saddr = *saddr; rt = ip_route_output_key(vxlan->net, &fl4); if (!IS_ERR(rt)) { @@ -1847,7 +1847,7 @@ static struct dst_entry *vxlan6_get_route(struct vxlan_dev *vxlan, memset(&fl6, 0, sizeof(fl6)); fl6.flowi6_oif = oif; fl6.daddr = *daddr; - fl6.saddr = vxlan->cfg.saddr.sin6.sin6_addr; + fl6.saddr = *saddr; fl6.flowlabel = ip6_make_flowinfo(RT_TOS(tos), label); fl6.flowi6_mark = skb->mark; fl6.flowi6_proto = IPPROTO_UDP; @@ -1920,7 +1920,8 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, struct rtable *rt = NULL; const struct iphdr *old_iph; union vxlan_addr *dst; - union vxlan_addr remote_ip; + union vxlan_addr remote_ip, local_ip; + union vxlan_addr *src; struct vxlan_metadata _md; struct vxlan_metadata *md = &_md; __be16 src_port = 0, dst_port; @@ -1938,6 +1939,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, dst_port = rdst->remote_port ? rdst->remote_port : vxlan->cfg.dst_port; vni = rdst->remote_vni; dst = &rdst->remote_ip; + src = &vxlan->cfg.saddr; dst_cache = &rdst->dst_cache; } else { if (!info) { @@ -1948,11 +1950,15 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, dst_port = info->key.tp_dst ? : vxlan->cfg.dst_port; vni = vxlan_tun_id_to_vni(info->key.tun_id); remote_ip.sa.sa_family = ip_tunnel_info_af(info); - if (remote_ip.sa.sa_family == AF_INET) + if (remote_ip.sa.sa_family == AF_INET) { remote_ip.sin.sin_addr.s_addr = info->key.u.ipv4.dst; - else + local_ip.sin.sin_addr.s_addr = info->key.u.ipv4.src; + } else { remote_ip.sin6.sin6_addr = info->key.u.ipv6.dst; + local_ip.sin6.sin6_addr = info->key.u.ipv6.src; + } dst = &remote_ip; + src = &local_ip; dst_cache = &info->dst_cache; } @@ -1992,15 +1998,14 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, } if (dst->sa.sa_family == AF_INET) { - __be32 saddr; - if (!vxlan->vn4_sock) goto drop; sk = vxlan->vn4_sock->sock->sk; rt = vxlan_get_route(vxlan, skb, rdst ? rdst->remote_ifindex : 0, tos, - dst->sin.sin_addr.s_addr, &saddr, + dst->sin.sin_addr.s_addr, + &src->sin.sin_addr.s_addr, dst_cache, info); if (IS_ERR(rt)) { netdev_dbg(dev, "no route to %pI4\n", @@ -2017,7 +2022,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, } /* Bypass encapsulation if the destination is local */ - if (rt->rt_flags & RTCF_LOCAL && + if (!info && rt->rt_flags & RTCF_LOCAL && !(rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))) { struct vxlan_dev *dst_vxlan; @@ -2043,13 +2048,12 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, if (err < 0) goto xmit_tx_error; - udp_tunnel_xmit_skb(rt, sk, skb, saddr, + udp_tunnel_xmit_skb(rt, sk, skb, src->sin.sin_addr.s_addr, dst->sin.sin_addr.s_addr, tos, ttl, df, src_port, dst_port, xnet, !udp_sum); #if IS_ENABLED(CONFIG_IPV6) } else { struct dst_entry *ndst; - struct in6_addr saddr; u32 rt6i_flags; if (!vxlan->vn6_sock) @@ -2058,7 +2062,8 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, ndst = vxlan6_get_route(vxlan, skb, rdst ? rdst->remote_ifindex : 0, tos, - label, &dst->sin6.sin6_addr, &saddr, + label, &dst->sin6.sin6_addr, + &src->sin6.sin6_addr, dst_cache, info); if (IS_ERR(ndst)) { netdev_dbg(dev, "no route to %pI6\n", @@ -2077,7 +2082,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, /* Bypass encapsulation if the destination is local */ rt6i_flags = ((struct rt6_info *)ndst)->rt6i_flags; - if (rt6i_flags & RTF_LOCAL && + if (!info && rt6i_flags & RTF_LOCAL && !(rt6i_flags & (RTCF_BROADCAST | RTCF_MULTICAST))) { struct vxlan_dev *dst_vxlan; @@ -2104,7 +2109,8 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, return; } udp_tunnel6_xmit_skb(ndst, sk, skb, dev, - &saddr, &dst->sin6.sin6_addr, tos, ttl, + &src->sin6.sin6_addr, + &dst->sin6.sin6_addr, tos, ttl, label, src_port, dst_port, !udp_sum); #endif } diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 1d689169da76..9e1f2d9c9865 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -5700,10 +5700,11 @@ out: mutex_unlock(&wl->mutex); } -static u32 wlcore_op_get_expected_throughput(struct ieee80211_sta *sta) +static u32 wlcore_op_get_expected_throughput(struct ieee80211_hw *hw, + struct ieee80211_sta *sta) { struct wl1271_station *wl_sta = (struct wl1271_station *)sta->drv_priv; - struct wl1271 *wl = wl_sta->wl; + struct wl1271 *wl = hw->priv; u8 hlid = wl_sta->hlid; /* return in units of Kbps */ diff --git a/drivers/of/base.c b/drivers/of/base.c index 7792266db259..3ce69536a7b3 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -1631,8 +1631,7 @@ static int __of_parse_phandle_with_args(const struct device_node *np, */ err: - if (it.node) - of_node_put(it.node); + of_node_put(it.node); return rc; } @@ -2343,20 +2342,13 @@ struct device_node *of_graph_get_endpoint_by_regs( const struct device_node *parent, int port_reg, int reg) { struct of_endpoint endpoint; - struct device_node *node, *prev_node = NULL; - - while (1) { - node = of_graph_get_next_endpoint(parent, prev_node); - of_node_put(prev_node); - if (!node) - break; + struct device_node *node = NULL; + for_each_endpoint_of_node(parent, node) { of_graph_parse_endpoint(node, &endpoint); if (((port_reg == -1) || (endpoint.port == port_reg)) && ((reg == -1) || (endpoint.id == reg))) return node; - - prev_node = node; } return NULL; diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 55f1b8391149..085c6389afd1 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -517,7 +517,7 @@ static void *__unflatten_device_tree(const void *blob, pr_warning("End of tree marker overwritten: %08x\n", be32_to_cpup(mem + size)); - if (detached) { + if (detached && mynodes) { of_node_set_flag(*mynodes, OF_DETACHED); pr_debug("unflattened tree is detached\n"); } diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 89a71c6074fc..a2e68f740eda 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -544,12 +544,15 @@ void __init of_irq_init(const struct of_device_id *matches) list_del(&desc->list); + of_node_set_flag(desc->dev, OF_POPULATED); + pr_debug("of_irq_init: init %s (%p), parent %p\n", desc->dev->full_name, desc->dev, desc->interrupt_parent); ret = desc->irq_init_cb(desc->dev, desc->interrupt_parent); if (ret) { + of_node_clear_flag(desc->dev, OF_POPULATED); kfree(desc); continue; } @@ -559,8 +562,6 @@ void __init of_irq_init(const struct of_device_id *matches) * its children can get processed in a subsequent pass. */ list_add_tail(&desc->list, &intc_parent_list); - - of_node_set_flag(desc->dev, OF_POPULATED); } /* Get the next pending parent that might have children */ diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 8aa197691074..f39ccd5aa701 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -497,6 +497,7 @@ int of_platform_default_populate(struct device_node *root, } EXPORT_SYMBOL_GPL(of_platform_default_populate); +#ifndef CONFIG_PPC static int __init of_platform_default_populate_init(void) { struct device_node *node; @@ -521,6 +522,7 @@ static int __init of_platform_default_populate_init(void) return 0; } arch_initcall_sync(of_platform_default_populate_init); +#endif static int of_platform_device_destroy(struct device *dev, void *data) { diff --git a/drivers/pinctrl/intel/pinctrl-merrifield.c b/drivers/pinctrl/intel/pinctrl-merrifield.c index eb4990ff26ca..7fb765642ee7 100644 --- a/drivers/pinctrl/intel/pinctrl-merrifield.c +++ b/drivers/pinctrl/intel/pinctrl-merrifield.c @@ -11,6 +11,7 @@ #include <linux/bitops.h> #include <linux/err.h> +#include <linux/io.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/pinctrl/pinconf.h> diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c index 11623c6b0cb3..44e69c963f5d 100644 --- a/drivers/pinctrl/meson/pinctrl-meson.c +++ b/drivers/pinctrl/meson/pinctrl-meson.c @@ -727,13 +727,7 @@ static int meson_pinctrl_probe(struct platform_device *pdev) return PTR_ERR(pc->pcdev); } - ret = meson_gpiolib_register(pc); - if (ret) { - pinctrl_unregister(pc->pcdev); - return ret; - } - - return 0; + return meson_gpiolib_register(pc); } static struct platform_driver meson_pinctrl_driver = { diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 634b4d30eefb..b3e772390ab6 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -43,17 +43,6 @@ static int amd_gpio_direction_input(struct gpio_chip *gc, unsigned offset) spin_lock_irqsave(&gpio_dev->lock, flags); pin_reg = readl(gpio_dev->base + offset * 4); - /* - * Suppose BIOS or Bootloader sets specific debounce for the - * GPIO. if not, set debounce to be 2.75ms and remove glitch. - */ - if ((pin_reg & DB_TMR_OUT_MASK) == 0) { - pin_reg |= 0xf; - pin_reg |= BIT(DB_TMR_OUT_UNIT_OFF); - pin_reg |= DB_TYPE_REMOVE_GLITCH << DB_CNTRL_OFF; - pin_reg &= ~BIT(DB_TMR_LARGE_OFF); - } - pin_reg &= ~BIT(OUTPUT_ENABLE_OFF); writel(pin_reg, gpio_dev->base + offset * 4); spin_unlock_irqrestore(&gpio_dev->lock, flags); @@ -326,15 +315,6 @@ static void amd_gpio_irq_enable(struct irq_data *d) spin_lock_irqsave(&gpio_dev->lock, flags); pin_reg = readl(gpio_dev->base + (d->hwirq)*4); - /* - Suppose BIOS or Bootloader sets specific debounce for the - GPIO. if not, set debounce to be 2.75ms. - */ - if ((pin_reg & DB_TMR_OUT_MASK) == 0) { - pin_reg |= 0xf; - pin_reg |= BIT(DB_TMR_OUT_UNIT_OFF); - pin_reg &= ~BIT(DB_TMR_LARGE_OFF); - } pin_reg |= BIT(INTERRUPT_ENABLE_OFF); pin_reg |= BIT(INTERRUPT_MASK_OFF); writel(pin_reg, gpio_dev->base + (d->hwirq)*4); diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c index c6d410ef8de0..7bad200bd67c 100644 --- a/drivers/pinctrl/pinctrl-pistachio.c +++ b/drivers/pinctrl/pinctrl-pistachio.c @@ -1432,7 +1432,6 @@ static int pistachio_pinctrl_probe(struct platform_device *pdev) { struct pistachio_pinctrl *pctl; struct resource *res; - int ret; pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL); if (!pctl) @@ -1464,13 +1463,7 @@ static int pistachio_pinctrl_probe(struct platform_device *pdev) return PTR_ERR(pctl->pctldev); } - ret = pistachio_gpio_register(pctl); - if (ret < 0) { - pinctrl_unregister(pctl->pctldev); - return ret; - } - - return 0; + return pistachio_gpio_register(pctl); } static struct platform_driver pistachio_pinctrl_driver = { diff --git a/drivers/power/max17042_battery.c b/drivers/power/max17042_battery.c index 9c65f134d447..da7a75f82489 100644 --- a/drivers/power/max17042_battery.c +++ b/drivers/power/max17042_battery.c @@ -457,13 +457,16 @@ static inline void max17042_write_model_data(struct max17042_chip *chip, } static inline void max17042_read_model_data(struct max17042_chip *chip, - u8 addr, u32 *data, int size) + u8 addr, u16 *data, int size) { struct regmap *map = chip->regmap; int i; + u32 tmp; - for (i = 0; i < size; i++) - regmap_read(map, addr + i, &data[i]); + for (i = 0; i < size; i++) { + regmap_read(map, addr + i, &tmp); + data[i] = (u16)tmp; + } } static inline int max17042_model_data_compare(struct max17042_chip *chip, @@ -486,7 +489,7 @@ static int max17042_init_model(struct max17042_chip *chip) { int ret; int table_size = ARRAY_SIZE(chip->pdata->config_data->cell_char_tbl); - u32 *temp_data; + u16 *temp_data; temp_data = kcalloc(table_size, sizeof(*temp_data), GFP_KERNEL); if (!temp_data) @@ -501,7 +504,7 @@ static int max17042_init_model(struct max17042_chip *chip) ret = max17042_model_data_compare( chip, chip->pdata->config_data->cell_char_tbl, - (u16 *)temp_data, + temp_data, table_size); max10742_lock_model(chip); @@ -514,7 +517,7 @@ static int max17042_verify_model_lock(struct max17042_chip *chip) { int i; int table_size = ARRAY_SIZE(chip->pdata->config_data->cell_char_tbl); - u32 *temp_data; + u16 *temp_data; int ret = 0; temp_data = kcalloc(table_size, sizeof(*temp_data), GFP_KERNEL); diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig index 3bfac539334b..c74c3f67b8da 100644 --- a/drivers/power/reset/Kconfig +++ b/drivers/power/reset/Kconfig @@ -200,8 +200,8 @@ config REBOOT_MODE config SYSCON_REBOOT_MODE tristate "Generic SYSCON regmap reboot mode driver" depends on OF + depends on MFD_SYSCON select REBOOT_MODE - select MFD_SYSCON help Say y here will enable reboot mode driver. This will get reboot mode arguments and store it in SYSCON mapped diff --git a/drivers/power/reset/hisi-reboot.c b/drivers/power/reset/hisi-reboot.c index 9ab7f562a83b..f69387e12c1e 100644 --- a/drivers/power/reset/hisi-reboot.c +++ b/drivers/power/reset/hisi-reboot.c @@ -53,13 +53,16 @@ static int hisi_reboot_probe(struct platform_device *pdev) if (of_property_read_u32(np, "reboot-offset", &reboot_offset) < 0) { pr_err("failed to find reboot-offset property\n"); + iounmap(base); return -EINVAL; } err = register_restart_handler(&hisi_restart_nb); - if (err) + if (err) { dev_err(&pdev->dev, "cannot register restart handler (err=%d)\n", err); + iounmap(base); + } return err; } diff --git a/drivers/power/tps65217_charger.c b/drivers/power/tps65217_charger.c index 73dfae41def8..4c56e54af6ac 100644 --- a/drivers/power/tps65217_charger.c +++ b/drivers/power/tps65217_charger.c @@ -206,6 +206,7 @@ static int tps65217_charger_probe(struct platform_device *pdev) if (!charger) return -ENOMEM; + platform_set_drvdata(pdev, charger); charger->tps = tps; charger->dev = &pdev->dev; diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 8973d34ce5ba..fb1b56a71475 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1643,9 +1643,18 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, u8 *sense = NULL; int expires; + cqr = (struct dasd_ccw_req *) intparm; if (IS_ERR(irb)) { switch (PTR_ERR(irb)) { case -EIO: + if (cqr && cqr->status == DASD_CQR_CLEAR_PENDING) { + device = (struct dasd_device *) cqr->startdev; + cqr->status = DASD_CQR_CLEARED; + dasd_device_clear_timer(device); + wake_up(&dasd_flush_wq); + dasd_schedule_device_bh(device); + return; + } break; case -ETIMEDOUT: DBF_EVENT_DEVID(DBF_WARNING, cdev, "%s: " @@ -1661,7 +1670,6 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, } now = get_tod_clock(); - cqr = (struct dasd_ccw_req *) intparm; /* check for conditions that should be handled immediately */ if (!cqr || !(scsw_dstat(&irb->scsw) == (DEV_STAT_CHN_END | DEV_STAT_DEV_END) && diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index fd2eff440098..98bbec44bcd0 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -5078,6 +5078,8 @@ static int dasd_eckd_read_message_buffer(struct dasd_device *device, return PTR_ERR(cqr); } + cqr->lpm = lpum; +retry: cqr->startdev = device; cqr->memdev = device; cqr->block = NULL; @@ -5122,6 +5124,14 @@ static int dasd_eckd_read_message_buffer(struct dasd_device *device, (prssdp + 1); memcpy(messages, message_buf, sizeof(struct dasd_rssd_messages)); + } else if (cqr->lpm) { + /* + * on z/VM we might not be able to do I/O on the requested path + * but instead we get the required information on any path + * so retry with open path mask + */ + cqr->lpm = 0; + goto retry; } else DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "Reading messages failed with rc=%d\n" diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 7ada078ffdd0..6a58bc8f46e2 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -762,7 +762,6 @@ static int io_subchannel_initialize_dev(struct subchannel *sch, priv->state = DEV_STATE_NOT_OPER; priv->dev_id.devno = sch->schib.pmcw.dev; priv->dev_id.ssid = sch->schid.ssid; - priv->schid = sch->schid; INIT_WORK(&priv->todo_work, ccw_device_todo); INIT_LIST_HEAD(&priv->cmb_list); @@ -1000,7 +999,6 @@ static int ccw_device_move_to_sch(struct ccw_device *cdev, put_device(&old_sch->dev); /* Initialize new subchannel. */ spin_lock_irq(sch->lock); - cdev->private->schid = sch->schid; cdev->ccwlock = sch->lock; if (!sch_is_pseudo_sch(sch)) sch_set_cdev(sch, cdev); diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c index 15b56a15db15..9bc3512374c9 100644 --- a/drivers/s390/cio/device_status.c +++ b/drivers/s390/cio/device_status.c @@ -26,6 +26,7 @@ static void ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb) { + struct subchannel *sch = to_subchannel(cdev->dev.parent); char dbf_text[15]; if (!scsw_is_valid_cstat(&irb->scsw) || @@ -36,10 +37,10 @@ ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb) "received" " ... device %04x on subchannel 0.%x.%04x, dev_stat " ": %02X sch_stat : %02X\n", - cdev->private->dev_id.devno, cdev->private->schid.ssid, - cdev->private->schid.sch_no, + cdev->private->dev_id.devno, sch->schid.ssid, + sch->schid.sch_no, scsw_dstat(&irb->scsw), scsw_cstat(&irb->scsw)); - sprintf(dbf_text, "chk%x", cdev->private->schid.sch_no); + sprintf(dbf_text, "chk%x", sch->schid.sch_no); CIO_TRACE_EVENT(0, dbf_text); CIO_HEX_EVENT(0, irb, sizeof(struct irb)); } diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h index 8975060af96c..220f49145b2f 100644 --- a/drivers/s390/cio/io_sch.h +++ b/drivers/s390/cio/io_sch.h @@ -120,7 +120,6 @@ struct ccw_device_private { int state; /* device state */ atomic_t onoff; struct ccw_dev_id dev_id; /* device id */ - struct subchannel_id schid; /* subchannel number */ struct ccw_request req; /* internal I/O request */ int iretry; u8 pgid_valid_mask; /* mask of valid PGIDs */ diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 4bb5262f7aee..71bf9bded485 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -686,6 +686,15 @@ static void qdio_kick_handler(struct qdio_q *q) q->qdio_error = 0; } +static inline int qdio_tasklet_schedule(struct qdio_q *q) +{ + if (likely(q->irq_ptr->state == QDIO_IRQ_STATE_ACTIVE)) { + tasklet_schedule(&q->tasklet); + return 0; + } + return -EPERM; +} + static void __qdio_inbound_processing(struct qdio_q *q) { qperf_inc(q, tasklet_inbound); @@ -698,10 +707,8 @@ static void __qdio_inbound_processing(struct qdio_q *q) if (!qdio_inbound_q_done(q)) { /* means poll time is not yet over */ qperf_inc(q, tasklet_inbound_resched); - if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED)) { - tasklet_schedule(&q->tasklet); + if (!qdio_tasklet_schedule(q)) return; - } } qdio_stop_polling(q); @@ -711,8 +718,7 @@ static void __qdio_inbound_processing(struct qdio_q *q) */ if (!qdio_inbound_q_done(q)) { qperf_inc(q, tasklet_inbound_resched2); - if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED)) - tasklet_schedule(&q->tasklet); + qdio_tasklet_schedule(q); } } @@ -869,16 +875,15 @@ static void __qdio_outbound_processing(struct qdio_q *q) * is noticed and outbound_handler is called after some time. */ if (qdio_outbound_q_done(q)) - del_timer(&q->u.out.timer); + del_timer_sync(&q->u.out.timer); else - if (!timer_pending(&q->u.out.timer)) + if (!timer_pending(&q->u.out.timer) && + likely(q->irq_ptr->state == QDIO_IRQ_STATE_ACTIVE)) mod_timer(&q->u.out.timer, jiffies + 10 * HZ); return; sched: - if (unlikely(q->irq_ptr->state == QDIO_IRQ_STATE_STOPPED)) - return; - tasklet_schedule(&q->tasklet); + qdio_tasklet_schedule(q); } /* outbound tasklet */ @@ -892,9 +897,7 @@ void qdio_outbound_timer(unsigned long data) { struct qdio_q *q = (struct qdio_q *)data; - if (unlikely(q->irq_ptr->state == QDIO_IRQ_STATE_STOPPED)) - return; - tasklet_schedule(&q->tasklet); + qdio_tasklet_schedule(q); } static inline void qdio_check_outbound_after_thinint(struct qdio_q *q) @@ -907,7 +910,7 @@ static inline void qdio_check_outbound_after_thinint(struct qdio_q *q) for_each_output_queue(q->irq_ptr, out, i) if (!qdio_outbound_q_done(out)) - tasklet_schedule(&out->tasklet); + qdio_tasklet_schedule(out); } static void __tiqdio_inbound_processing(struct qdio_q *q) @@ -929,10 +932,8 @@ static void __tiqdio_inbound_processing(struct qdio_q *q) if (!qdio_inbound_q_done(q)) { qperf_inc(q, tasklet_inbound_resched); - if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED)) { - tasklet_schedule(&q->tasklet); + if (!qdio_tasklet_schedule(q)) return; - } } qdio_stop_polling(q); @@ -942,8 +943,7 @@ static void __tiqdio_inbound_processing(struct qdio_q *q) */ if (!qdio_inbound_q_done(q)) { qperf_inc(q, tasklet_inbound_resched2); - if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED)) - tasklet_schedule(&q->tasklet); + qdio_tasklet_schedule(q); } } @@ -977,7 +977,7 @@ static void qdio_int_handler_pci(struct qdio_irq *irq_ptr) int i; struct qdio_q *q; - if (unlikely(irq_ptr->state == QDIO_IRQ_STATE_STOPPED)) + if (unlikely(irq_ptr->state != QDIO_IRQ_STATE_ACTIVE)) return; for_each_input_queue(irq_ptr, q, i) { @@ -1003,7 +1003,7 @@ static void qdio_int_handler_pci(struct qdio_irq *irq_ptr) continue; if (need_siga_sync(q) && need_siga_sync_out_after_pci(q)) qdio_siga_sync_q(q); - tasklet_schedule(&q->tasklet); + qdio_tasklet_schedule(q); } } @@ -1066,10 +1066,12 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) { struct qdio_irq *irq_ptr = cdev->private->qdio_data; + struct subchannel_id schid; int cstat, dstat; if (!intparm || !irq_ptr) { - DBF_ERROR("qint:%4x", cdev->private->schid.sch_no); + ccw_device_get_schid(cdev, &schid); + DBF_ERROR("qint:%4x", schid.sch_no); return; } @@ -1122,12 +1124,14 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm, int qdio_get_ssqd_desc(struct ccw_device *cdev, struct qdio_ssqd_desc *data) { + struct subchannel_id schid; if (!cdev || !cdev->private) return -EINVAL; - DBF_EVENT("get ssqd:%4x", cdev->private->schid.sch_no); - return qdio_setup_get_ssqd(NULL, &cdev->private->schid, data); + ccw_device_get_schid(cdev, &schid); + DBF_EVENT("get ssqd:%4x", schid.sch_no); + return qdio_setup_get_ssqd(NULL, &schid, data); } EXPORT_SYMBOL_GPL(qdio_get_ssqd_desc); @@ -1141,7 +1145,7 @@ static void qdio_shutdown_queues(struct ccw_device *cdev) tasklet_kill(&q->tasklet); for_each_output_queue(irq_ptr, q, i) { - del_timer(&q->u.out.timer); + del_timer_sync(&q->u.out.timer); tasklet_kill(&q->tasklet); } } @@ -1154,14 +1158,15 @@ static void qdio_shutdown_queues(struct ccw_device *cdev) int qdio_shutdown(struct ccw_device *cdev, int how) { struct qdio_irq *irq_ptr = cdev->private->qdio_data; + struct subchannel_id schid; int rc; - unsigned long flags; if (!irq_ptr) return -ENODEV; WARN_ON_ONCE(irqs_disabled()); - DBF_EVENT("qshutdown:%4x", cdev->private->schid.sch_no); + ccw_device_get_schid(cdev, &schid); + DBF_EVENT("qshutdown:%4x", schid.sch_no); mutex_lock(&irq_ptr->setup_mutex); /* @@ -1184,7 +1189,7 @@ int qdio_shutdown(struct ccw_device *cdev, int how) qdio_shutdown_debug_entries(irq_ptr); /* cleanup subchannel */ - spin_lock_irqsave(get_ccwdev_lock(cdev), flags); + spin_lock_irq(get_ccwdev_lock(cdev)); if (how & QDIO_FLAG_CLEANUP_USING_CLEAR) rc = ccw_device_clear(cdev, QDIO_DOING_CLEANUP); @@ -1198,12 +1203,12 @@ int qdio_shutdown(struct ccw_device *cdev, int how) } qdio_set_state(irq_ptr, QDIO_IRQ_STATE_CLEANUP); - spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags); + spin_unlock_irq(get_ccwdev_lock(cdev)); wait_event_interruptible_timeout(cdev->private->wait_q, irq_ptr->state == QDIO_IRQ_STATE_INACTIVE || irq_ptr->state == QDIO_IRQ_STATE_ERR, 10 * HZ); - spin_lock_irqsave(get_ccwdev_lock(cdev), flags); + spin_lock_irq(get_ccwdev_lock(cdev)); no_cleanup: qdio_shutdown_thinint(irq_ptr); @@ -1211,7 +1216,7 @@ no_cleanup: /* restore interrupt handler */ if ((void *)cdev->handler == (void *)qdio_int_handler) cdev->handler = irq_ptr->orig_handler; - spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags); + spin_unlock_irq(get_ccwdev_lock(cdev)); qdio_set_state(irq_ptr, QDIO_IRQ_STATE_INACTIVE); mutex_unlock(&irq_ptr->setup_mutex); @@ -1228,11 +1233,13 @@ EXPORT_SYMBOL_GPL(qdio_shutdown); int qdio_free(struct ccw_device *cdev) { struct qdio_irq *irq_ptr = cdev->private->qdio_data; + struct subchannel_id schid; if (!irq_ptr) return -ENODEV; - DBF_EVENT("qfree:%4x", cdev->private->schid.sch_no); + ccw_device_get_schid(cdev, &schid); + DBF_EVENT("qfree:%4x", schid.sch_no); DBF_DEV_EVENT(DBF_ERR, irq_ptr, "dbf abandoned"); mutex_lock(&irq_ptr->setup_mutex); @@ -1251,9 +1258,11 @@ EXPORT_SYMBOL_GPL(qdio_free); */ int qdio_allocate(struct qdio_initialize *init_data) { + struct subchannel_id schid; struct qdio_irq *irq_ptr; - DBF_EVENT("qallocate:%4x", init_data->cdev->private->schid.sch_no); + ccw_device_get_schid(init_data->cdev, &schid); + DBF_EVENT("qallocate:%4x", schid.sch_no); if ((init_data->no_input_qs && !init_data->input_handler) || (init_data->no_output_qs && !init_data->output_handler)) @@ -1331,20 +1340,18 @@ static void qdio_detect_hsicq(struct qdio_irq *irq_ptr) */ int qdio_establish(struct qdio_initialize *init_data) { - struct qdio_irq *irq_ptr; struct ccw_device *cdev = init_data->cdev; - unsigned long saveflags; + struct subchannel_id schid; + struct qdio_irq *irq_ptr; int rc; - DBF_EVENT("qestablish:%4x", cdev->private->schid.sch_no); + ccw_device_get_schid(cdev, &schid); + DBF_EVENT("qestablish:%4x", schid.sch_no); irq_ptr = cdev->private->qdio_data; if (!irq_ptr) return -ENODEV; - if (cdev->private->state != DEV_STATE_ONLINE) - return -EINVAL; - mutex_lock(&irq_ptr->setup_mutex); qdio_setup_irq(init_data); @@ -1361,17 +1368,14 @@ int qdio_establish(struct qdio_initialize *init_data) irq_ptr->ccw.count = irq_ptr->equeue.count; irq_ptr->ccw.cda = (u32)((addr_t)irq_ptr->qdr); - spin_lock_irqsave(get_ccwdev_lock(cdev), saveflags); + spin_lock_irq(get_ccwdev_lock(cdev)); ccw_device_set_options_mask(cdev, 0); rc = ccw_device_start(cdev, &irq_ptr->ccw, QDIO_DOING_ESTABLISH, 0, 0); + spin_unlock_irq(get_ccwdev_lock(cdev)); if (rc) { DBF_ERROR("%4x est IO ERR", irq_ptr->schid.sch_no); DBF_ERROR("rc:%4x", rc); - } - spin_unlock_irqrestore(get_ccwdev_lock(cdev), saveflags); - - if (rc) { mutex_unlock(&irq_ptr->setup_mutex); qdio_shutdown(cdev, QDIO_FLAG_CLEANUP_USING_CLEAR); return rc; @@ -1407,19 +1411,17 @@ EXPORT_SYMBOL_GPL(qdio_establish); */ int qdio_activate(struct ccw_device *cdev) { + struct subchannel_id schid; struct qdio_irq *irq_ptr; int rc; - unsigned long saveflags; - DBF_EVENT("qactivate:%4x", cdev->private->schid.sch_no); + ccw_device_get_schid(cdev, &schid); + DBF_EVENT("qactivate:%4x", schid.sch_no); irq_ptr = cdev->private->qdio_data; if (!irq_ptr) return -ENODEV; - if (cdev->private->state != DEV_STATE_ONLINE) - return -EINVAL; - mutex_lock(&irq_ptr->setup_mutex); if (irq_ptr->state == QDIO_IRQ_STATE_INACTIVE) { rc = -EBUSY; @@ -1431,19 +1433,17 @@ int qdio_activate(struct ccw_device *cdev) irq_ptr->ccw.count = irq_ptr->aqueue.count; irq_ptr->ccw.cda = 0; - spin_lock_irqsave(get_ccwdev_lock(cdev), saveflags); + spin_lock_irq(get_ccwdev_lock(cdev)); ccw_device_set_options(cdev, CCWDEV_REPORT_ALL); rc = ccw_device_start(cdev, &irq_ptr->ccw, QDIO_DOING_ACTIVATE, 0, DOIO_DENY_PREFETCH); + spin_unlock_irq(get_ccwdev_lock(cdev)); if (rc) { DBF_ERROR("%4x act IO ERR", irq_ptr->schid.sch_no); DBF_ERROR("rc:%4x", rc); - } - spin_unlock_irqrestore(get_ccwdev_lock(cdev), saveflags); - - if (rc) goto out; + } if (is_thinint_irq(irq_ptr)) tiqdio_add_input_queues(irq_ptr); @@ -1585,10 +1585,11 @@ static int handle_outbound(struct qdio_q *q, unsigned int callflags, /* in case of SIGA errors we must process the error immediately */ if (used >= q->u.out.scan_threshold || rc) - tasklet_schedule(&q->tasklet); + qdio_tasklet_schedule(q); else /* free the SBALs in case of no further traffic */ - if (!timer_pending(&q->u.out.timer)) + if (!timer_pending(&q->u.out.timer) && + likely(q->irq_ptr->state == QDIO_IRQ_STATE_ACTIVE)) mod_timer(&q->u.out.timer, jiffies + HZ); return rc; } diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c index b381b3718a98..5648b715fed9 100644 --- a/drivers/scsi/aacraid/commctrl.c +++ b/drivers/scsi/aacraid/commctrl.c @@ -63,7 +63,7 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) struct fib *fibptr; struct hw_fib * hw_fib = (struct hw_fib *)0; dma_addr_t hw_fib_pa = (dma_addr_t)0LL; - unsigned size; + unsigned int size, osize; int retval; if (dev->in_reset) { @@ -87,7 +87,8 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) * will not overrun the buffer when we copy the memory. Return * an error if we would. */ - size = le16_to_cpu(kfib->header.Size) + sizeof(struct aac_fibhdr); + osize = size = le16_to_cpu(kfib->header.Size) + + sizeof(struct aac_fibhdr); if (size < le16_to_cpu(kfib->header.SenderSize)) size = le16_to_cpu(kfib->header.SenderSize); if (size > dev->max_fib_size) { @@ -118,6 +119,14 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) goto cleanup; } + /* Sanity check the second copy */ + if ((osize != le16_to_cpu(kfib->header.Size) + + sizeof(struct aac_fibhdr)) + || (size < le16_to_cpu(kfib->header.SenderSize))) { + retval = -EINVAL; + goto cleanup; + } + if (kfib->header.Command == cpu_to_le16(TakeABreakPt)) { aac_adapter_interrupt(dev); /* diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c index a569c65f22b1..dcf36537a767 100644 --- a/drivers/scsi/fcoe/fcoe_ctlr.c +++ b/drivers/scsi/fcoe/fcoe_ctlr.c @@ -2923,7 +2923,7 @@ static int fcoe_ctlr_vlan_recv(struct fcoe_ctlr *fip, struct sk_buff *skb) mutex_unlock(&fip->ctlr_mutex); drop: - kfree(skb); + kfree_skb(skb); return rc; } diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 2dab3dc2aa69..c1ed25adb17e 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -5037,7 +5037,7 @@ static int megasas_init_fw(struct megasas_instance *instance) /* Find first memory bar */ bar_list = pci_select_bars(instance->pdev, IORESOURCE_MEM); instance->bar = find_first_bit(&bar_list, sizeof(unsigned long)); - if (pci_request_selected_regions(instance->pdev, instance->bar, + if (pci_request_selected_regions(instance->pdev, 1<<instance->bar, "megasas: LSI")) { dev_printk(KERN_DEBUG, &instance->pdev->dev, "IO memory region busy!\n"); return -EBUSY; @@ -5339,7 +5339,7 @@ fail_ready_state: iounmap(instance->reg_set); fail_ioremap: - pci_release_selected_regions(instance->pdev, instance->bar); + pci_release_selected_regions(instance->pdev, 1<<instance->bar); return -EINVAL; } @@ -5360,7 +5360,7 @@ static void megasas_release_mfi(struct megasas_instance *instance) iounmap(instance->reg_set); - pci_release_selected_regions(instance->pdev, instance->bar); + pci_release_selected_regions(instance->pdev, 1<<instance->bar); } /** diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index ec837544f784..52d8bbf7feb5 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -2603,7 +2603,7 @@ megasas_release_fusion(struct megasas_instance *instance) iounmap(instance->reg_set); - pci_release_selected_regions(instance->pdev, instance->bar); + pci_release_selected_regions(instance->pdev, 1<<instance->bar); } /** diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 751f13edece0..750f82c339d4 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -2188,6 +2188,17 @@ mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc) } else ioc->msix96_vector = 0; + if (ioc->is_warpdrive) { + ioc->reply_post_host_index[0] = (resource_size_t __iomem *) + &ioc->chip->ReplyPostHostIndex; + + for (i = 1; i < ioc->cpu_msix_table_sz; i++) + ioc->reply_post_host_index[i] = + (resource_size_t __iomem *) + ((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1) + * 4))); + } + list_for_each_entry(reply_q, &ioc->reply_queue_list, list) pr_info(MPT3SAS_FMT "%s: IRQ %d\n", reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" : @@ -5280,17 +5291,6 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc) if (r) goto out_free_resources; - if (ioc->is_warpdrive) { - ioc->reply_post_host_index[0] = (resource_size_t __iomem *) - &ioc->chip->ReplyPostHostIndex; - - for (i = 1; i < ioc->cpu_msix_table_sz; i++) - ioc->reply_post_host_index[i] = - (resource_size_t __iomem *) - ((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1) - * 4))); - } - pci_set_drvdata(ioc->pdev, ioc->shost); r = _base_get_ioc_facts(ioc, CAN_SLEEP); if (r) diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c index 53ef1cb6418e..0e8601aa877a 100644 --- a/drivers/scsi/ses.c +++ b/drivers/scsi/ses.c @@ -778,6 +778,8 @@ static void ses_intf_remove_enclosure(struct scsi_device *sdev) if (!edev) return; + enclosure_unregister(edev); + ses_dev = edev->scratch; edev->scratch = NULL; @@ -789,7 +791,6 @@ static void ses_intf_remove_enclosure(struct scsi_device *sdev) kfree(edev->component[0].scratch); put_device(&edev->edev); - enclosure_unregister(edev); } static void ses_intf_remove(struct device *cdev, diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 71912301ef7f..0f3f62e81e5b 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1354,7 +1354,6 @@ made_compressed_probe: spin_lock_init(&acm->write_lock); spin_lock_init(&acm->read_lock); mutex_init(&acm->mutex); - acm->rx_endpoint = usb_rcvbulkpipe(usb_dev, epread->bEndpointAddress); acm->is_int_ep = usb_endpoint_xfer_int(epread); if (acm->is_int_ep) acm->bInterval = epread->bInterval; @@ -1394,14 +1393,14 @@ made_compressed_probe: urb->transfer_dma = rb->dma; if (acm->is_int_ep) { usb_fill_int_urb(urb, acm->dev, - acm->rx_endpoint, + usb_rcvintpipe(usb_dev, epread->bEndpointAddress), rb->base, acm->readsize, acm_read_bulk_callback, rb, acm->bInterval); } else { usb_fill_bulk_urb(urb, acm->dev, - acm->rx_endpoint, + usb_rcvbulkpipe(usb_dev, epread->bEndpointAddress), rb->base, acm->readsize, acm_read_bulk_callback, rb); diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index 05ce308d5d2a..1f1eabfd8462 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -96,7 +96,6 @@ struct acm { struct acm_rb read_buffers[ACM_NR]; struct acm_wb *putbuffer; /* for acm_tty_put_char() */ int rx_buflimit; - int rx_endpoint; spinlock_t read_lock; int write_used; /* number of non-empty write buffers */ int transmitting; diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 31ccdccd7a04..051163189810 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -171,6 +171,31 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, ep, buffer, size); } +static const unsigned short low_speed_maxpacket_maxes[4] = { + [USB_ENDPOINT_XFER_CONTROL] = 8, + [USB_ENDPOINT_XFER_ISOC] = 0, + [USB_ENDPOINT_XFER_BULK] = 0, + [USB_ENDPOINT_XFER_INT] = 8, +}; +static const unsigned short full_speed_maxpacket_maxes[4] = { + [USB_ENDPOINT_XFER_CONTROL] = 64, + [USB_ENDPOINT_XFER_ISOC] = 1023, + [USB_ENDPOINT_XFER_BULK] = 64, + [USB_ENDPOINT_XFER_INT] = 64, +}; +static const unsigned short high_speed_maxpacket_maxes[4] = { + [USB_ENDPOINT_XFER_CONTROL] = 64, + [USB_ENDPOINT_XFER_ISOC] = 1024, + [USB_ENDPOINT_XFER_BULK] = 512, + [USB_ENDPOINT_XFER_INT] = 1023, +}; +static const unsigned short super_speed_maxpacket_maxes[4] = { + [USB_ENDPOINT_XFER_CONTROL] = 512, + [USB_ENDPOINT_XFER_ISOC] = 1024, + [USB_ENDPOINT_XFER_BULK] = 1024, + [USB_ENDPOINT_XFER_INT] = 1024, +}; + static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, int asnum, struct usb_host_interface *ifp, int num_ep, unsigned char *buffer, int size) @@ -179,6 +204,8 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, struct usb_endpoint_descriptor *d; struct usb_host_endpoint *endpoint; int n, i, j, retval; + unsigned int maxp; + const unsigned short *maxpacket_maxes; d = (struct usb_endpoint_descriptor *) buffer; buffer += d->bLength; @@ -286,6 +313,42 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, endpoint->desc.wMaxPacketSize = cpu_to_le16(8); } + /* Validate the wMaxPacketSize field */ + maxp = usb_endpoint_maxp(&endpoint->desc); + + /* Find the highest legal maxpacket size for this endpoint */ + i = 0; /* additional transactions per microframe */ + switch (to_usb_device(ddev)->speed) { + case USB_SPEED_LOW: + maxpacket_maxes = low_speed_maxpacket_maxes; + break; + case USB_SPEED_FULL: + maxpacket_maxes = full_speed_maxpacket_maxes; + break; + case USB_SPEED_HIGH: + /* Bits 12..11 are allowed only for HS periodic endpoints */ + if (usb_endpoint_xfer_int(d) || usb_endpoint_xfer_isoc(d)) { + i = maxp & (BIT(12) | BIT(11)); + maxp &= ~i; + } + /* fallthrough */ + default: + maxpacket_maxes = high_speed_maxpacket_maxes; + break; + case USB_SPEED_SUPER: + case USB_SPEED_SUPER_PLUS: + maxpacket_maxes = super_speed_maxpacket_maxes; + break; + } + j = maxpacket_maxes[usb_endpoint_type(&endpoint->desc)]; + + if (maxp > j) { + dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid maxpacket %d, setting to %d\n", + cfgno, inum, asnum, d->bEndpointAddress, maxp, j); + maxp = j; + endpoint->desc.wMaxPacketSize = cpu_to_le16(i | maxp); + } + /* * Some buggy high speed devices have bulk endpoints using * maxpacket sizes other than 512. High speed HCDs may not @@ -293,9 +356,6 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, */ if (to_usb_device(ddev)->speed == USB_SPEED_HIGH && usb_endpoint_xfer_bulk(d)) { - unsigned maxp; - - maxp = usb_endpoint_maxp(&endpoint->desc) & 0x07ff; if (maxp != 512) dev_warn(ddev, "config %d interface %d altsetting %d " "bulk endpoint 0x%X has invalid maxpacket %d\n", diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index e9f5043a2167..e6a6d67c8705 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -241,7 +241,8 @@ static int usbdev_mmap(struct file *file, struct vm_area_struct *vma) goto error_decrease_mem; } - mem = usb_alloc_coherent(ps->dev, size, GFP_USER, &dma_handle); + mem = usb_alloc_coherent(ps->dev, size, GFP_USER | __GFP_NOWARN, + &dma_handle); if (!mem) { ret = -ENOMEM; goto error_free_usbm; @@ -2582,7 +2583,9 @@ static unsigned int usbdev_poll(struct file *file, if (file->f_mode & FMODE_WRITE && !list_empty(&ps->async_completed)) mask |= POLLOUT | POLLWRNORM; if (!connected(ps)) - mask |= POLLERR | POLLHUP; + mask |= POLLHUP; + if (list_empty(&ps->list)) + mask |= POLLERR; return mask; } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index bee13517676f..1d5fc32d06d0 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1052,14 +1052,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) /* Continue a partial initialization */ if (type == HUB_INIT2 || type == HUB_INIT3) { - device_lock(hub->intfdev); + device_lock(&hdev->dev); /* Was the hub disconnected while we were waiting? */ - if (hub->disconnected) { - device_unlock(hub->intfdev); - kref_put(&hub->kref, hub_release); - return; - } + if (hub->disconnected) + goto disconnected; if (type == HUB_INIT2) goto init2; goto init3; @@ -1262,7 +1259,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) queue_delayed_work(system_power_efficient_wq, &hub->init_work, msecs_to_jiffies(delay)); - device_unlock(hub->intfdev); + device_unlock(&hdev->dev); return; /* Continues at init3: below */ } else { msleep(delay); @@ -1281,12 +1278,12 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) /* Scan all ports that need attention */ kick_hub_wq(hub); - /* Allow autosuspend if it was suppressed */ - if (type <= HUB_INIT3) + if (type == HUB_INIT2 || type == HUB_INIT3) { + /* Allow autosuspend if it was suppressed */ + disconnected: usb_autopm_put_interface_async(to_usb_interface(hub->intfdev)); - - if (type == HUB_INIT2 || type == HUB_INIT3) - device_unlock(hub->intfdev); + device_unlock(&hdev->dev); + } kref_put(&hub->kref, hub_release); } @@ -1315,8 +1312,6 @@ static void hub_quiesce(struct usb_hub *hub, enum hub_quiescing_type type) struct usb_device *hdev = hub->hdev; int i; - cancel_delayed_work_sync(&hub->init_work); - /* hub_wq and related activity won't re-trigger */ hub->quiescing = 1; diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c index 974335377d9f..e56d59b19a0e 100644 --- a/drivers/usb/dwc3/dwc3-of-simple.c +++ b/drivers/usb/dwc3/dwc3-of-simple.c @@ -61,6 +61,7 @@ static int dwc3_of_simple_probe(struct platform_device *pdev) if (!simple->clks) return -ENOMEM; + platform_set_drvdata(pdev, simple); simple->dev = dev; for (i = 0; i < simple->num_clocks; i++) { diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 45f5a232d9fb..2eb84d6c24a6 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -37,6 +37,7 @@ #define PCI_DEVICE_ID_INTEL_BXT 0x0aaa #define PCI_DEVICE_ID_INTEL_BXT_M 0x1aaa #define PCI_DEVICE_ID_INTEL_APL 0x5aaa +#define PCI_DEVICE_ID_INTEL_KBP 0xa2b0 static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; static const struct acpi_gpio_params cs_gpios = { 1, 0, false }; @@ -227,6 +228,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT_M), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBP), }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), }, { } /* Terminating Entry */ }; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 8f8c2157910e..1f5597ef945d 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -829,7 +829,7 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, if (!req->request.no_interrupt && !chain) trb->ctrl |= DWC3_TRB_CTRL_IOC | DWC3_TRB_CTRL_ISP_IMI; - if (last) + if (last && !usb_endpoint_xfer_isoc(dep->endpoint.desc)) trb->ctrl |= DWC3_TRB_CTRL_LST; if (chain) @@ -1955,7 +1955,8 @@ static void dwc3_gadget_free_endpoints(struct dwc3 *dwc) static int __dwc3_cleanup_done_trbs(struct dwc3 *dwc, struct dwc3_ep *dep, struct dwc3_request *req, struct dwc3_trb *trb, - const struct dwc3_event_depevt *event, int status) + const struct dwc3_event_depevt *event, int status, + int chain) { unsigned int count; unsigned int s_pkt = 0; @@ -1964,17 +1965,22 @@ static int __dwc3_cleanup_done_trbs(struct dwc3 *dwc, struct dwc3_ep *dep, dep->queued_requests--; trace_dwc3_complete_trb(dep, trb); + /* + * If we're in the middle of series of chained TRBs and we + * receive a short transfer along the way, DWC3 will skip + * through all TRBs including the last TRB in the chain (the + * where CHN bit is zero. DWC3 will also avoid clearing HWO + * bit and SW has to do it manually. + * + * We're going to do that here to avoid problems of HW trying + * to use bogus TRBs for transfers. + */ + if (chain && (trb->ctrl & DWC3_TRB_CTRL_HWO)) + trb->ctrl &= ~DWC3_TRB_CTRL_HWO; + if ((trb->ctrl & DWC3_TRB_CTRL_HWO) && status != -ESHUTDOWN) - /* - * We continue despite the error. There is not much we - * can do. If we don't clean it up we loop forever. If - * we skip the TRB then it gets overwritten after a - * while since we use them in a ring buffer. A BUG() - * would help. Lets hope that if this occurs, someone - * fixes the root cause instead of looking away :) - */ - dev_err(dwc->dev, "%s's TRB (%p) still owned by HW\n", - dep->name, trb); + return 1; + count = trb->size & DWC3_TRB_SIZE_MASK; if (dep->direction) { @@ -2013,15 +2019,7 @@ static int __dwc3_cleanup_done_trbs(struct dwc3 *dwc, struct dwc3_ep *dep, s_pkt = 1; } - /* - * We assume here we will always receive the entire data block - * which we should receive. Meaning, if we program RX to - * receive 4K but we receive only 2K, we assume that's all we - * should receive and we simply bounce the request back to the - * gadget driver for further processing. - */ - req->request.actual += req->request.length - count; - if (s_pkt) + if (s_pkt && !chain) return 1; if ((event->status & DEPEVT_STATUS_LST) && (trb->ctrl & (DWC3_TRB_CTRL_LST | @@ -2040,13 +2038,17 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep, struct dwc3_trb *trb; unsigned int slot; unsigned int i; + int count = 0; int ret; do { + int chain; + req = next_request(&dep->started_list); if (WARN_ON_ONCE(!req)) return 1; + chain = req->request.num_mapped_sgs > 0; i = 0; do { slot = req->first_trb_index + i; @@ -2054,13 +2056,22 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep, slot++; slot %= DWC3_TRB_NUM; trb = &dep->trb_pool[slot]; + count += trb->size & DWC3_TRB_SIZE_MASK; ret = __dwc3_cleanup_done_trbs(dwc, dep, req, trb, - event, status); + event, status, chain); if (ret) break; } while (++i < req->request.num_mapped_sgs); + /* + * We assume here we will always receive the entire data block + * which we should receive. Meaning, if we program RX to + * receive 4K but we receive only 2K, we assume that's all we + * should receive and we simply bounce the request back to the + * gadget driver for further processing. + */ + req->request.actual += req->request.length - count; dwc3_gadget_giveback(dep, req, status); if (ret) diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index eb648485a58c..5ebe6af7976e 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1913,6 +1913,8 @@ unknown: break; case USB_RECIP_ENDPOINT: + if (!cdev->config) + break; endp = ((w_index & 0x80) >> 3) | (w_index & 0x0f); list_for_each_entry(f, &cdev->config->functions, list) { if (test_bit(endp, f->endpoints)) @@ -2124,14 +2126,14 @@ int composite_os_desc_req_prepare(struct usb_composite_dev *cdev, cdev->os_desc_req = usb_ep_alloc_request(ep0, GFP_KERNEL); if (!cdev->os_desc_req) { - ret = PTR_ERR(cdev->os_desc_req); + ret = -ENOMEM; goto end; } /* OS feature descriptor length <= 4kB */ cdev->os_desc_req->buf = kmalloc(4096, GFP_KERNEL); if (!cdev->os_desc_req->buf) { - ret = PTR_ERR(cdev->os_desc_req->buf); + ret = -ENOMEM; kfree(cdev->os_desc_req); goto end; } diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 70cf3477f951..f9237fe2be05 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -1490,7 +1490,9 @@ void unregister_gadget_item(struct config_item *item) { struct gadget_info *gi = to_gadget_info(item); + mutex_lock(&gi->lock); unregister_gadget(gi); + mutex_unlock(&gi->lock); } EXPORT_SYMBOL_GPL(unregister_gadget_item); diff --git a/drivers/usb/gadget/function/rndis.c b/drivers/usb/gadget/function/rndis.c index 943c21aafd3b..ab6ac1b74ac0 100644 --- a/drivers/usb/gadget/function/rndis.c +++ b/drivers/usb/gadget/function/rndis.c @@ -680,6 +680,12 @@ static int rndis_reset_response(struct rndis_params *params, { rndis_reset_cmplt_type *resp; rndis_resp_t *r; + u8 *xbuf; + u32 length; + + /* drain the response queue */ + while ((xbuf = rndis_get_next_response(params, &length))) + rndis_free_response(params, xbuf); r = rndis_add_response(params, sizeof(rndis_reset_cmplt_type)); if (!r) diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index a3f7e7c55ebb..5f562c1ec795 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -556,7 +556,8 @@ static netdev_tx_t eth_start_xmit(struct sk_buff *skb, /* Multi frame CDC protocols may store the frame for * later which is not a dropped frame. */ - if (dev->port_usb->supports_multi_frame) + if (dev->port_usb && + dev->port_usb->supports_multi_frame) goto multiframe; goto drop; } diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c index 66753ba7a42e..31125a4a2658 100644 --- a/drivers/usb/gadget/function/uvc_configfs.c +++ b/drivers/usb/gadget/function/uvc_configfs.c @@ -2023,7 +2023,7 @@ static int uvcg_streaming_class_allow_link(struct config_item *src, if (!data) { kfree(*class_array); *class_array = NULL; - ret = PTR_ERR(data); + ret = -ENOMEM; goto unlock; } cl_arr = *class_array; diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index aa3707bdebb4..16104b5ebdcb 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -542,7 +542,7 @@ static ssize_t ep_aio(struct kiocb *iocb, */ spin_lock_irq(&epdata->dev->lock); value = -ENODEV; - if (unlikely(epdata->ep)) + if (unlikely(epdata->ep == NULL)) goto fail; req = usb_ep_alloc_request(epdata->ep, GFP_ATOMIC); @@ -606,7 +606,7 @@ ep_read_iter(struct kiocb *iocb, struct iov_iter *to) } if (is_sync_kiocb(iocb)) { value = ep_io(epdata, buf, len); - if (value >= 0 && copy_to_iter(buf, value, to)) + if (value >= 0 && (copy_to_iter(buf, value, to) != value)) value = -EFAULT; } else { struct kiocb_priv *priv = kzalloc(sizeof *priv, GFP_KERNEL); diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index ff8685ea7219..934f83881c30 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -1145,7 +1145,7 @@ int usb_add_gadget_udc_release(struct device *parent, struct usb_gadget *gadget, if (ret != -EPROBE_DEFER) list_del(&driver->pending); if (ret) - goto err4; + goto err5; break; } } @@ -1154,6 +1154,9 @@ int usb_add_gadget_udc_release(struct device *parent, struct usb_gadget *gadget, return 0; +err5: + device_del(&udc->dev); + err4: list_del(&udc->list); mutex_unlock(&udc_lock); diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c index 93d28cb00b76..cf8819a5c5b2 100644 --- a/drivers/usb/gadget/udc/fsl_qe_udc.c +++ b/drivers/usb/gadget/udc/fsl_qe_udc.c @@ -2053,7 +2053,7 @@ static void setup_received_handle(struct qe_udc *udc, struct qe_ep *ep; if (wValue != 0 || wLength != 0 - || pipe > USB_MAX_ENDPOINTS) + || pipe >= USB_MAX_ENDPOINTS) break; ep = &udc->eps[pipe]; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index a962b89b65a6..1e5f529d51a2 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -332,11 +332,11 @@ static void ehci_turn_off_all_ports(struct ehci_hcd *ehci) int port = HCS_N_PORTS(ehci->hcs_params); while (port--) { - ehci_writel(ehci, PORT_RWC_BITS, - &ehci->regs->port_status[port]); spin_unlock_irq(&ehci->lock); ehci_port_power(ehci, port, false); spin_lock_irq(&ehci->lock); + ehci_writel(ehci, PORT_RWC_BITS, + &ehci->regs->port_status[port]); } } diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c index c369c29e496d..2f7690092a7f 100644 --- a/drivers/usb/host/max3421-hcd.c +++ b/drivers/usb/host/max3421-hcd.c @@ -1675,7 +1675,7 @@ max3421_gpout_set_value(struct usb_hcd *hcd, u8 pin_number, u8 value) if (pin_number > 7) return; - mask = 1u << pin_number; + mask = 1u << (pin_number % 4); idx = pin_number / 4; if (value) diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index d61fcc48099e..730b9fd26685 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -386,6 +386,9 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend) ret = 0; virt_dev = xhci->devs[slot_id]; + if (!virt_dev) + return -ENODEV; + cmd = xhci_alloc_command(xhci, false, true, GFP_NOIO); if (!cmd) { xhci_dbg(xhci, "Couldn't allocate command structure.\n"); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 4fd041bec332..d7b0f97abbad 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -314,11 +314,12 @@ static void xhci_pci_remove(struct pci_dev *dev) usb_remove_hcd(xhci->shared_hcd); usb_put_hcd(xhci->shared_hcd); } - usb_hcd_pci_remove(dev); /* Workaround for spurious wakeups at shutdown with HSW */ if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) pci_set_power_state(dev, PCI_D3hot); + + usb_hcd_pci_remove(dev); } #ifdef CONFIG_PM diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 918e0c739b79..fd9fd12e4861 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1334,12 +1334,6 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, cmd = list_entry(xhci->cmd_list.next, struct xhci_command, cmd_list); - if (cmd->command_trb != xhci->cmd_ring->dequeue) { - xhci_err(xhci, - "Command completion event does not match command\n"); - return; - } - del_timer(&xhci->cmd_timer); trace_xhci_cmd_completion(cmd_trb, (struct xhci_generic_trb *) event); @@ -1351,6 +1345,13 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, xhci_handle_stopped_cmd_ring(xhci, cmd); return; } + + if (cmd->command_trb != xhci->cmd_ring->dequeue) { + xhci_err(xhci, + "Command completion event does not match command\n"); + return; + } + /* * Host aborted the command ring, check if the current command was * supposed to be aborted, otherwise continue normally. @@ -3243,7 +3244,8 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, send_addr = addr; /* Queue the TRBs, even if they are zero-length */ - for (enqd_len = 0; enqd_len < full_len; enqd_len += trb_buff_len) { + for (enqd_len = 0; first_trb || enqd_len < full_len; + enqd_len += trb_buff_len) { field = TRB_TYPE(TRB_NORMAL); /* TRB buffer should not cross 64KB boundaries */ diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index 52c27cab78c3..9b5b3b2281ca 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -665,7 +665,7 @@ static ssize_t ftdi_elan_read(struct file *file, char __user *buffer, { char data[30 *3 + 4]; char *d = data; - int m = (sizeof(data) - 1) / 3; + int m = (sizeof(data) - 1) / 3 - 1; int bytes_read = 0; int retry_on_empty = 10; int retry_on_timeout = 5; @@ -1684,7 +1684,7 @@ wait:if (ftdi->disconnected > 0) { int i = 0; char data[30 *3 + 4]; char *d = data; - int m = (sizeof(data) - 1) / 3; + int m = (sizeof(data) - 1) / 3 - 1; int l = 0; struct u132_target *target = &ftdi->target[ed]; struct u132_command *command = &ftdi->command[ @@ -1876,7 +1876,7 @@ more:{ if (packet_bytes > 2) { char diag[30 *3 + 4]; char *d = diag; - int m = (sizeof(diag) - 1) / 3; + int m = (sizeof(diag) - 1) / 3 - 1; char *b = ftdi->bulk_in_buffer; int bytes_read = 0; diag[0] = 0; @@ -2053,7 +2053,7 @@ static int ftdi_elan_synchronize(struct usb_ftdi *ftdi) if (packet_bytes > 2) { char diag[30 *3 + 4]; char *d = diag; - int m = (sizeof(diag) - 1) / 3; + int m = (sizeof(diag) - 1) / 3 - 1; char *b = ftdi->bulk_in_buffer; int bytes_read = 0; unsigned char c = 0; @@ -2155,7 +2155,7 @@ more:{ if (packet_bytes > 2) { char diag[30 *3 + 4]; char *d = diag; - int m = (sizeof(diag) - 1) / 3; + int m = (sizeof(diag) - 1) / 3 - 1; char *b = ftdi->bulk_in_buffer; int bytes_read = 0; diag[0] = 0; diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 6b978f04b8d7..5c8210dc6fd9 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -585,7 +585,6 @@ static void sg_timeout(unsigned long _req) { struct usb_sg_request *req = (struct usb_sg_request *) _req; - req->status = -ETIMEDOUT; usb_sg_cancel(req); } @@ -616,8 +615,10 @@ static int perform_sglist( mod_timer(&sg_timer, jiffies + msecs_to_jiffies(SIMPLE_IO_TIMEOUT)); usb_sg_wait(req); - del_timer_sync(&sg_timer); - retval = req->status; + if (!del_timer_sync(&sg_timer)) + retval = -ETIMEDOUT; + else + retval = req->status; /* FIXME check resulting data pattern */ @@ -2602,7 +2603,7 @@ usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf) ktime_get_ts64(&start); retval = usbtest_do_ioctl(intf, param_32); - if (retval) + if (retval < 0) goto free_mutex; ktime_get_ts64(&end); diff --git a/drivers/usb/phy/phy-omap-otg.c b/drivers/usb/phy/phy-omap-otg.c index 6f6d2a7fd5a0..6523af4f8f93 100644 --- a/drivers/usb/phy/phy-omap-otg.c +++ b/drivers/usb/phy/phy-omap-otg.c @@ -140,6 +140,8 @@ static int omap_otg_probe(struct platform_device *pdev) (rev >> 4) & 0xf, rev & 0xf, config->extcon, otg_dev->id, otg_dev->vbus); + platform_set_drvdata(pdev, otg_dev); + return 0; } diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index 8fbbc2d32371..ac67bab9124c 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -514,7 +514,8 @@ static struct renesas_usbhs_platform_info *usbhs_parse_dt(struct device *dev) if (gpio > 0) dparam->enable_gpio = gpio; - if (dparam->type == USBHS_TYPE_RCAR_GEN2) + if (dparam->type == USBHS_TYPE_RCAR_GEN2 || + dparam->type == USBHS_TYPE_RCAR_GEN3) dparam->has_usb_dmac = 1; return info; diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 280ed5ff021b..857e78337324 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -871,7 +871,7 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) /* use PIO if packet is less than pio_dma_border or pipe is DCP */ if ((len < usbhs_get_dparam(priv, pio_dma_border)) || - usbhs_pipe_is_dcp(pipe)) + usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_ISOC)) goto usbhsf_pio_prepare_push; /* check data length if this driver don't use USB-DMAC */ @@ -976,7 +976,7 @@ static int usbhsf_dma_prepare_pop_with_usb_dmac(struct usbhs_pkt *pkt, /* use PIO if packet is less than pio_dma_border or pipe is DCP */ if ((pkt->length < usbhs_get_dparam(priv, pio_dma_border)) || - usbhs_pipe_is_dcp(pipe)) + usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_ISOC)) goto usbhsf_pio_prepare_pop; fifo = usbhsf_get_dma_fifo(priv, pkt); diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 50f3363cc382..92bc83b92d10 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -617,10 +617,13 @@ static int usbhsg_ep_enable(struct usb_ep *ep, * use dmaengine if possible. * It will use pio handler if impossible. */ - if (usb_endpoint_dir_in(desc)) + if (usb_endpoint_dir_in(desc)) { pipe->handler = &usbhs_fifo_dma_push_handler; - else + } else { pipe->handler = &usbhs_fifo_dma_pop_handler; + usbhs_xxxsts_clear(priv, BRDYSTS, + usbhs_pipe_number(pipe)); + } ret = 0; } diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 00820809139a..b2d767e743fc 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -648,6 +648,8 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_PALMSENS_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_IVIUM_XSTAT_PID) }, { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) }, { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) }, { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) }, @@ -1008,6 +1010,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(ICPDAS_VID, ICPDAS_I7560U_PID) }, { USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) }, { USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) }, + { USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index c5d6c1e73e8e..f87a938cf005 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -406,6 +406,12 @@ #define FTDI_4N_GALAXY_DE_3_PID 0xF3C2 /* + * Ivium Technologies product IDs + */ +#define FTDI_PALMSENS_PID 0xf440 +#define FTDI_IVIUM_XSTAT_PID 0xf441 + +/* * Linx Technologies product ids */ #define LINX_SDMUSBQSS_PID 0xF448 /* Linx SDM-USB-QS-S */ @@ -673,6 +679,12 @@ #define INTREPID_NEOVI_PID 0x0701 /* + * WICED USB UART + */ +#define WICED_VID 0x0A5C +#define WICED_USB20706V2_PID 0x6422 + +/* * Definitions for ID TECH (www.idt-net.com) devices */ #define IDTECH_VID 0x0ACD /* ID TECH Vendor ID */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 8e07536c233a..bc472584a229 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -274,6 +274,12 @@ static void option_instat_callback(struct urb *urb); #define TELIT_PRODUCT_LE920 0x1200 #define TELIT_PRODUCT_LE910 0x1201 #define TELIT_PRODUCT_LE910_USBCFG4 0x1206 +#define TELIT_PRODUCT_LE920A4_1207 0x1207 +#define TELIT_PRODUCT_LE920A4_1208 0x1208 +#define TELIT_PRODUCT_LE920A4_1211 0x1211 +#define TELIT_PRODUCT_LE920A4_1212 0x1212 +#define TELIT_PRODUCT_LE920A4_1213 0x1213 +#define TELIT_PRODUCT_LE920A4_1214 0x1214 /* ZTE PRODUCTS */ #define ZTE_VENDOR_ID 0x19d2 @@ -628,6 +634,11 @@ static const struct option_blacklist_info telit_le920_blacklist = { .reserved = BIT(1) | BIT(5), }; +static const struct option_blacklist_info telit_le920a4_blacklist_1 = { + .sendsetup = BIT(0), + .reserved = BIT(1), +}; + static const struct option_blacklist_info telit_le922_blacklist_usbcfg0 = { .sendsetup = BIT(2), .reserved = BIT(0) | BIT(1) | BIT(3), @@ -1203,6 +1214,16 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920), .driver_info = (kernel_ulong_t)&telit_le920_blacklist }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1207) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1208), + .driver_info = (kernel_ulong_t)&telit_le920a4_blacklist_1 }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1211), + .driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1212), + .driver_info = (kernel_ulong_t)&telit_le920a4_blacklist_1 }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1213, 0xff) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1214), + .driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&net_intf1_blacklist }, @@ -1966,6 +1987,7 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) }, diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index b1b9bac44016..d213cf44a7e4 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1433,7 +1433,7 @@ int usb_serial_register_drivers(struct usb_serial_driver *const serial_drivers[] rc = usb_register(udriver); if (rc) - return rc; + goto failed_usb_register; for (sd = serial_drivers; *sd; ++sd) { (*sd)->usb_driver = udriver; @@ -1451,6 +1451,8 @@ int usb_serial_register_drivers(struct usb_serial_driver *const serial_drivers[] while (sd-- > serial_drivers) usb_serial_deregister(*sd); usb_deregister(udriver); +failed_usb_register: + kfree(udriver); return rc; } EXPORT_SYMBOL_GPL(usb_serial_register_drivers); diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c index 388eec4e1a90..97fb2f8fa930 100644 --- a/drivers/vhost/test.c +++ b/drivers/vhost/test.c @@ -220,20 +220,20 @@ static long vhost_test_reset_owner(struct vhost_test *n) { void *priv = NULL; long err; - struct vhost_memory *memory; + struct vhost_umem *umem; mutex_lock(&n->dev.mutex); err = vhost_dev_check_owner(&n->dev); if (err) goto done; - memory = vhost_dev_reset_owner_prepare(); - if (!memory) { + umem = vhost_dev_reset_owner_prepare(); + if (!umem) { err = -ENOMEM; goto done; } vhost_test_stop(n, &priv); vhost_test_flush(n); - vhost_dev_reset_owner(&n->dev, memory); + vhost_dev_reset_owner(&n->dev, umem); done: mutex_unlock(&n->dev.mutex); return err; diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c index 4b0eff6da674..85737e96ab8b 100644 --- a/fs/afs/cmservice.c +++ b/fs/afs/cmservice.c @@ -189,11 +189,8 @@ static int afs_deliver_cb_callback(struct afs_call *call, struct sk_buff *skb, case 1: _debug("extract FID count"); ret = afs_extract_data(call, skb, last, &call->tmp, 4); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; call->count = ntohl(call->tmp); _debug("FID count: %u", call->count); @@ -210,11 +207,8 @@ static int afs_deliver_cb_callback(struct afs_call *call, struct sk_buff *skb, _debug("extract FID array"); ret = afs_extract_data(call, skb, last, call->buffer, call->count * 3 * 4); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; _debug("unmarshall FID array"); call->request = kcalloc(call->count, @@ -239,11 +233,8 @@ static int afs_deliver_cb_callback(struct afs_call *call, struct sk_buff *skb, case 3: _debug("extract CB count"); ret = afs_extract_data(call, skb, last, &call->tmp, 4); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; tmp = ntohl(call->tmp); _debug("CB count: %u", tmp); @@ -258,11 +249,8 @@ static int afs_deliver_cb_callback(struct afs_call *call, struct sk_buff *skb, _debug("extract CB array"); ret = afs_extract_data(call, skb, last, call->request, call->count * 3 * 4); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; _debug("unmarshall CB array"); cb = call->request; @@ -278,9 +266,9 @@ static int afs_deliver_cb_callback(struct afs_call *call, struct sk_buff *skb, call->unmarshall++; case 5: - _debug("trailer"); - if (skb->len != 0) - return -EBADMSG; + ret = afs_data_complete(call, skb, last); + if (ret < 0) + return ret; /* Record that the message was unmarshalled successfully so * that the call destructor can know do the callback breaking @@ -294,8 +282,6 @@ static int afs_deliver_cb_callback(struct afs_call *call, struct sk_buff *skb, break; } - if (!last) - return 0; call->state = AFS_CALL_REPLYING; @@ -335,13 +321,13 @@ static int afs_deliver_cb_init_call_back_state(struct afs_call *call, { struct afs_server *server; struct in_addr addr; + int ret; _enter(",{%u},%d", skb->len, last); - if (skb->len > 0) - return -EBADMSG; - if (!last) - return 0; + ret = afs_data_complete(call, skb, last); + if (ret < 0) + return ret; /* no unmarshalling required */ call->state = AFS_CALL_REPLYING; @@ -371,8 +357,10 @@ static int afs_deliver_cb_init_call_back_state3(struct afs_call *call, _enter(",{%u},%d", skb->len, last); + /* There are some arguments that we ignore */ + afs_data_consumed(call, skb); if (!last) - return 0; + return -EAGAIN; /* no unmarshalling required */ call->state = AFS_CALL_REPLYING; @@ -408,12 +396,13 @@ static void SRXAFSCB_Probe(struct work_struct *work) static int afs_deliver_cb_probe(struct afs_call *call, struct sk_buff *skb, bool last) { + int ret; + _enter(",{%u},%d", skb->len, last); - if (skb->len > 0) - return -EBADMSG; - if (!last) - return 0; + ret = afs_data_complete(call, skb, last); + if (ret < 0) + return ret; /* no unmarshalling required */ call->state = AFS_CALL_REPLYING; @@ -460,10 +449,9 @@ static int afs_deliver_cb_probe_uuid(struct afs_call *call, struct sk_buff *skb, _enter("{%u},{%u},%d", call->unmarshall, skb->len, last); - if (skb->len > 0) - return -EBADMSG; - if (!last) - return 0; + ret = afs_data_complete(call, skb, last); + if (ret < 0) + return ret; switch (call->unmarshall) { case 0: @@ -509,8 +497,9 @@ static int afs_deliver_cb_probe_uuid(struct afs_call *call, struct sk_buff *skb, break; } - if (!last) - return 0; + ret = afs_data_complete(call, skb, last); + if (ret < 0) + return ret; call->state = AFS_CALL_REPLYING; @@ -588,12 +577,13 @@ static void SRXAFSCB_TellMeAboutYourself(struct work_struct *work) static int afs_deliver_cb_tell_me_about_yourself(struct afs_call *call, struct sk_buff *skb, bool last) { + int ret; + _enter(",{%u},%d", skb->len, last); - if (skb->len > 0) - return -EBADMSG; - if (!last) - return 0; + ret = afs_data_complete(call, skb, last); + if (ret < 0) + return ret; /* no unmarshalling required */ call->state = AFS_CALL_REPLYING; diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c index c2e930ec2888..9312b92e54be 100644 --- a/fs/afs/fsclient.c +++ b/fs/afs/fsclient.c @@ -240,15 +240,13 @@ static int afs_deliver_fs_fetch_status(struct afs_call *call, { struct afs_vnode *vnode = call->reply; const __be32 *bp; + int ret; _enter(",,%u", last); - afs_transfer_reply(call, skb); - if (!last) - return 0; - - if (call->reply_size != call->reply_max) - return -EBADMSG; + ret = afs_transfer_reply(call, skb, last); + if (ret < 0) + return ret; /* unmarshall the reply once we've received all of it */ bp = call->buffer; @@ -335,11 +333,8 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call, case 1: _debug("extract data length (MSW)"); ret = afs_extract_data(call, skb, last, &call->tmp, 4); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; call->count = ntohl(call->tmp); _debug("DATA length MSW: %u", call->count); @@ -353,11 +348,8 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call, case 2: _debug("extract data length"); ret = afs_extract_data(call, skb, last, &call->tmp, 4); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; call->count = ntohl(call->tmp); _debug("DATA length: %u", call->count); @@ -375,11 +367,8 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call, ret = afs_extract_data(call, skb, last, buffer, call->count); kunmap_atomic(buffer); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; } call->offset = 0; @@ -389,11 +378,8 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call, case 4: ret = afs_extract_data(call, skb, last, call->buffer, (21 + 3 + 6) * 4); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; bp = call->buffer; xdr_decode_AFSFetchStatus(&bp, &vnode->status, vnode, NULL); @@ -405,15 +391,12 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call, call->unmarshall++; case 5: - _debug("trailer"); - if (skb->len != 0) - return -EBADMSG; + ret = afs_data_complete(call, skb, last); + if (ret < 0) + return ret; break; } - if (!last) - return 0; - if (call->count < PAGE_SIZE) { _debug("clear"); page = call->reply3; @@ -537,9 +520,8 @@ static int afs_deliver_fs_give_up_callbacks(struct afs_call *call, { _enter(",{%u},%d", skb->len, last); - if (skb->len > 0) - return -EBADMSG; /* shouldn't be any reply data */ - return 0; + /* shouldn't be any reply data */ + return afs_data_complete(call, skb, last); } /* @@ -622,15 +604,13 @@ static int afs_deliver_fs_create_vnode(struct afs_call *call, { struct afs_vnode *vnode = call->reply; const __be32 *bp; + int ret; _enter("{%u},{%u},%d", call->unmarshall, skb->len, last); - afs_transfer_reply(call, skb); - if (!last) - return 0; - - if (call->reply_size != call->reply_max) - return -EBADMSG; + ret = afs_transfer_reply(call, skb, last); + if (ret < 0) + return ret; /* unmarshall the reply once we've received all of it */ bp = call->buffer; @@ -721,15 +701,13 @@ static int afs_deliver_fs_remove(struct afs_call *call, { struct afs_vnode *vnode = call->reply; const __be32 *bp; + int ret; _enter("{%u},{%u},%d", call->unmarshall, skb->len, last); - afs_transfer_reply(call, skb); - if (!last) - return 0; - - if (call->reply_size != call->reply_max) - return -EBADMSG; + ret = afs_transfer_reply(call, skb, last); + if (ret < 0) + return ret; /* unmarshall the reply once we've received all of it */ bp = call->buffer; @@ -804,15 +782,13 @@ static int afs_deliver_fs_link(struct afs_call *call, { struct afs_vnode *dvnode = call->reply, *vnode = call->reply2; const __be32 *bp; + int ret; _enter("{%u},{%u},%d", call->unmarshall, skb->len, last); - afs_transfer_reply(call, skb); - if (!last) - return 0; - - if (call->reply_size != call->reply_max) - return -EBADMSG; + ret = afs_transfer_reply(call, skb, last); + if (ret < 0) + return ret; /* unmarshall the reply once we've received all of it */ bp = call->buffer; @@ -892,15 +868,13 @@ static int afs_deliver_fs_symlink(struct afs_call *call, { struct afs_vnode *vnode = call->reply; const __be32 *bp; + int ret; _enter("{%u},{%u},%d", call->unmarshall, skb->len, last); - afs_transfer_reply(call, skb); - if (!last) - return 0; - - if (call->reply_size != call->reply_max) - return -EBADMSG; + ret = afs_transfer_reply(call, skb, last); + if (ret < 0) + return ret; /* unmarshall the reply once we've received all of it */ bp = call->buffer; @@ -999,15 +973,13 @@ static int afs_deliver_fs_rename(struct afs_call *call, { struct afs_vnode *orig_dvnode = call->reply, *new_dvnode = call->reply2; const __be32 *bp; + int ret; _enter("{%u},{%u},%d", call->unmarshall, skb->len, last); - afs_transfer_reply(call, skb); - if (!last) - return 0; - - if (call->reply_size != call->reply_max) - return -EBADMSG; + ret = afs_transfer_reply(call, skb, last); + if (ret < 0) + return ret; /* unmarshall the reply once we've received all of it */ bp = call->buffer; @@ -1105,20 +1077,13 @@ static int afs_deliver_fs_store_data(struct afs_call *call, { struct afs_vnode *vnode = call->reply; const __be32 *bp; + int ret; _enter(",,%u", last); - afs_transfer_reply(call, skb); - if (!last) { - _leave(" = 0 [more]"); - return 0; - } - - if (call->reply_size != call->reply_max) { - _leave(" = -EBADMSG [%u != %u]", - call->reply_size, call->reply_max); - return -EBADMSG; - } + ret = afs_transfer_reply(call, skb, last); + if (ret < 0) + return ret; /* unmarshall the reply once we've received all of it */ bp = call->buffer; @@ -1292,20 +1257,13 @@ static int afs_deliver_fs_store_status(struct afs_call *call, afs_dataversion_t *store_version; struct afs_vnode *vnode = call->reply; const __be32 *bp; + int ret; _enter(",,%u", last); - afs_transfer_reply(call, skb); - if (!last) { - _leave(" = 0 [more]"); - return 0; - } - - if (call->reply_size != call->reply_max) { - _leave(" = -EBADMSG [%u != %u]", - call->reply_size, call->reply_max); - return -EBADMSG; - } + ret = afs_transfer_reply(call, skb, last); + if (ret < 0) + return ret; /* unmarshall the reply once we've received all of it */ store_version = NULL; @@ -1504,11 +1462,8 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call, _debug("extract status"); ret = afs_extract_data(call, skb, last, call->buffer, 12 * 4); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; bp = call->buffer; xdr_decode_AFSFetchVolumeStatus(&bp, call->reply2); @@ -1518,11 +1473,8 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call, /* extract the volume name length */ case 2: ret = afs_extract_data(call, skb, last, &call->tmp, 4); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; call->count = ntohl(call->tmp); _debug("volname length: %u", call->count); @@ -1537,11 +1489,8 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call, if (call->count > 0) { ret = afs_extract_data(call, skb, last, call->reply3, call->count); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; } p = call->reply3; @@ -1561,11 +1510,8 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call, case 4: ret = afs_extract_data(call, skb, last, call->buffer, call->count); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; call->offset = 0; call->unmarshall++; @@ -1574,11 +1520,8 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call, /* extract the offline message length */ case 5: ret = afs_extract_data(call, skb, last, &call->tmp, 4); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; call->count = ntohl(call->tmp); _debug("offline msg length: %u", call->count); @@ -1593,11 +1536,8 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call, if (call->count > 0) { ret = afs_extract_data(call, skb, last, call->reply3, call->count); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; } p = call->reply3; @@ -1617,11 +1557,8 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call, case 7: ret = afs_extract_data(call, skb, last, call->buffer, call->count); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; call->offset = 0; call->unmarshall++; @@ -1630,11 +1567,8 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call, /* extract the message of the day length */ case 8: ret = afs_extract_data(call, skb, last, &call->tmp, 4); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; call->count = ntohl(call->tmp); _debug("motd length: %u", call->count); @@ -1649,11 +1583,8 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call, if (call->count > 0) { ret = afs_extract_data(call, skb, last, call->reply3, call->count); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; } p = call->reply3; @@ -1673,26 +1604,20 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call, case 10: ret = afs_extract_data(call, skb, last, call->buffer, call->count); - switch (ret) { - case 0: break; - case -EAGAIN: return 0; - default: return ret; - } + if (ret < 0) + return ret; call->offset = 0; call->unmarshall++; no_motd_padding: case 11: - _debug("trailer %d", skb->len); - if (skb->len != 0) - return -EBADMSG; + ret = afs_data_complete(call, skb, last); + if (ret < 0) + return ret; break; } - if (!last) - return 0; - _leave(" = 0 [done]"); return 0; } @@ -1764,15 +1689,13 @@ static int afs_deliver_fs_xxxx_lock(struct afs_call *call, struct sk_buff *skb, bool last) { const __be32 *bp; + int ret; _enter("{%u},{%u},%d", call->unmarshall, skb->len, last); - afs_transfer_reply(call, skb); - if (!last) - return 0; - - if (call->reply_size != call->reply_max) - return -EBADMSG; + ret = afs_transfer_reply(call, skb, last); + if (ret < 0) + return ret; /* unmarshall the reply once we've received all of it */ bp = call->buffer; diff --git a/fs/afs/internal.h b/fs/afs/internal.h index 71d5982312f3..df976b2a7f40 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -609,17 +609,29 @@ extern void afs_proc_cell_remove(struct afs_cell *); */ extern int afs_open_socket(void); extern void afs_close_socket(void); +extern void afs_data_consumed(struct afs_call *, struct sk_buff *); extern int afs_make_call(struct in_addr *, struct afs_call *, gfp_t, const struct afs_wait_mode *); extern struct afs_call *afs_alloc_flat_call(const struct afs_call_type *, size_t, size_t); extern void afs_flat_call_destructor(struct afs_call *); -extern void afs_transfer_reply(struct afs_call *, struct sk_buff *); +extern int afs_transfer_reply(struct afs_call *, struct sk_buff *, bool); extern void afs_send_empty_reply(struct afs_call *); extern void afs_send_simple_reply(struct afs_call *, const void *, size_t); extern int afs_extract_data(struct afs_call *, struct sk_buff *, bool, void *, size_t); +static inline int afs_data_complete(struct afs_call *call, struct sk_buff *skb, + bool last) +{ + if (skb->len > 0) + return -EBADMSG; + afs_data_consumed(call, skb); + if (!last) + return -EAGAIN; + return 0; +} + /* * security.c */ diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c index 4832de84d52c..14d04c848465 100644 --- a/fs/afs/rxrpc.c +++ b/fs/afs/rxrpc.c @@ -150,10 +150,9 @@ void afs_close_socket(void) } /* - * note that the data in a socket buffer is now delivered and that the buffer - * should be freed + * Note that the data in a socket buffer is now consumed. */ -static void afs_data_delivered(struct sk_buff *skb) +void afs_data_consumed(struct afs_call *call, struct sk_buff *skb) { if (!skb) { _debug("DLVR NULL [%d]", atomic_read(&afs_outstanding_skbs)); @@ -161,9 +160,7 @@ static void afs_data_delivered(struct sk_buff *skb) } else { _debug("DLVR %p{%u} [%d]", skb, skb->mark, atomic_read(&afs_outstanding_skbs)); - if (atomic_dec_return(&afs_outstanding_skbs) == -1) - BUG(); - rxrpc_kernel_data_delivered(skb); + rxrpc_kernel_data_consumed(call->rxcall, skb); } } @@ -489,9 +486,15 @@ static void afs_deliver_to_call(struct afs_call *call) last = rxrpc_kernel_is_data_last(skb); ret = call->type->deliver(call, skb, last); switch (ret) { + case -EAGAIN: + if (last) { + _debug("short data"); + goto unmarshal_error; + } + break; case 0: - if (last && - call->state == AFS_CALL_AWAIT_REPLY) + ASSERT(last); + if (call->state == AFS_CALL_AWAIT_REPLY) call->state = AFS_CALL_COMPLETE; break; case -ENOTCONN: @@ -501,6 +504,7 @@ static void afs_deliver_to_call(struct afs_call *call) abort_code = RX_INVALID_OPERATION; goto do_abort; default: + unmarshal_error: abort_code = RXGEN_CC_UNMARSHAL; if (call->state != AFS_CALL_AWAIT_REPLY) abort_code = RXGEN_SS_UNMARSHAL; @@ -511,9 +515,7 @@ static void afs_deliver_to_call(struct afs_call *call) call->state = AFS_CALL_ERROR; break; } - afs_data_delivered(skb); - skb = NULL; - continue; + break; case RXRPC_SKB_MARK_FINAL_ACK: _debug("Rcv ACK"); call->state = AFS_CALL_COMPLETE; @@ -685,15 +687,35 @@ static void afs_process_async_call(struct afs_call *call) } /* - * empty a socket buffer into a flat reply buffer + * Empty a socket buffer into a flat reply buffer. */ -void afs_transfer_reply(struct afs_call *call, struct sk_buff *skb) +int afs_transfer_reply(struct afs_call *call, struct sk_buff *skb, bool last) { size_t len = skb->len; - if (skb_copy_bits(skb, 0, call->buffer + call->reply_size, len) < 0) - BUG(); - call->reply_size += len; + if (len > call->reply_max - call->reply_size) { + _leave(" = -EBADMSG [%zu > %u]", + len, call->reply_max - call->reply_size); + return -EBADMSG; + } + + if (len > 0) { + if (skb_copy_bits(skb, 0, call->buffer + call->reply_size, + len) < 0) + BUG(); + call->reply_size += len; + } + + afs_data_consumed(call, skb); + if (!last) + return -EAGAIN; + + if (call->reply_size != call->reply_max) { + _leave(" = -EBADMSG [%u != %u]", + call->reply_size, call->reply_max); + return -EBADMSG; + } + return 0; } /* @@ -745,7 +767,8 @@ static void afs_collect_incoming_call(struct work_struct *work) } /* - * grab the operation ID from an incoming cache manager call + * Grab the operation ID from an incoming cache manager call. The socket + * buffer is discarded on error or if we don't yet have sufficient data. */ static int afs_deliver_cm_op_id(struct afs_call *call, struct sk_buff *skb, bool last) @@ -766,12 +789,9 @@ static int afs_deliver_cm_op_id(struct afs_call *call, struct sk_buff *skb, call->offset += len; if (call->offset < 4) { - if (last) { - _leave(" = -EBADMSG [op ID short]"); - return -EBADMSG; - } - _leave(" = 0 [incomplete]"); - return 0; + afs_data_consumed(call, skb); + _leave(" = -EAGAIN"); + return -EAGAIN; } call->state = AFS_CALL_AWAIT_REQUEST; @@ -855,7 +875,7 @@ void afs_send_simple_reply(struct afs_call *call, const void *buf, size_t len) } /* - * extract a piece of data from the received data socket buffers + * Extract a piece of data from the received data socket buffers. */ int afs_extract_data(struct afs_call *call, struct sk_buff *skb, bool last, void *buf, size_t count) @@ -873,10 +893,7 @@ int afs_extract_data(struct afs_call *call, struct sk_buff *skb, call->offset += len; if (call->offset < count) { - if (last) { - _leave(" = -EBADMSG [%d < %zu]", call->offset, count); - return -EBADMSG; - } + afs_data_consumed(call, skb); _leave(" = -EAGAIN"); return -EAGAIN; } diff --git a/fs/afs/vlclient.c b/fs/afs/vlclient.c index 340afd0cd182..f94d1abdc3eb 100644 --- a/fs/afs/vlclient.c +++ b/fs/afs/vlclient.c @@ -64,16 +64,13 @@ static int afs_deliver_vl_get_entry_by_xxx(struct afs_call *call, struct afs_cache_vlocation *entry; __be32 *bp; u32 tmp; - int loop; + int loop, ret; _enter(",,%u", last); - afs_transfer_reply(call, skb); - if (!last) - return 0; - - if (call->reply_size != call->reply_max) - return -EBADMSG; + ret = afs_transfer_reply(call, skb, last); + if (ret < 0) + return ret; /* unmarshall the reply once we've received all of it */ entry = call->reply; diff --git a/fs/iomap.c b/fs/iomap.c index 48141b8eff5f..0342254646e3 100644 --- a/fs/iomap.c +++ b/fs/iomap.c @@ -84,8 +84,11 @@ iomap_apply(struct inode *inode, loff_t pos, loff_t length, unsigned flags, * Now the data has been copied, commit the range we've copied. This * should not fail unless the filesystem has had a fatal error. */ - ret = ops->iomap_end(inode, pos, length, written > 0 ? written : 0, - flags, &iomap); + if (ops->iomap_end) { + ret = ops->iomap_end(inode, pos, length, + written > 0 ? written : 0, + flags, &iomap); + } return written ? written : ret; } @@ -194,12 +197,9 @@ again: if (mapping_writably_mapped(inode->i_mapping)) flush_dcache_page(page); - pagefault_disable(); copied = iov_iter_copy_from_user_atomic(page, i, offset, bytes); - pagefault_enable(); flush_dcache_page(page); - mark_page_accessed(page); status = iomap_write_end(inode, pos, bytes, copied, page); if (unlikely(status < 0)) @@ -470,13 +470,18 @@ int iomap_fiemap(struct inode *inode, struct fiemap_extent_info *fi, if (ret) return ret; - ret = filemap_write_and_wait(inode->i_mapping); - if (ret) - return ret; + if (fi->fi_flags & FIEMAP_FLAG_SYNC) { + ret = filemap_write_and_wait(inode->i_mapping); + if (ret) + return ret; + } while (len > 0) { ret = iomap_apply(inode, start, len, 0, ops, &ctx, iomap_fiemap_actor); + /* inode with no (attribute) mapping will give ENOENT */ + if (ret == -ENOENT) + break; if (ret < 0) return ret; if (ret == 0) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 776ae2f325d1..3dd8f1d54498 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -1582,6 +1582,7 @@ xfs_alloc_ag_vextent_small( xfs_extlen_t *flenp, /* result length */ int *stat) /* status: 0-freelist, 1-normal/none */ { + struct xfs_owner_info oinfo; int error; xfs_agblock_t fbno; xfs_extlen_t flen; @@ -1624,6 +1625,18 @@ xfs_alloc_ag_vextent_small( error0); args->wasfromfl = 1; trace_xfs_alloc_small_freelist(args); + + /* + * If we're feeding an AGFL block to something that + * doesn't live in the free space, we need to clear + * out the OWN_AG rmap. + */ + xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_AG); + error = xfs_rmap_free(args->tp, args->agbp, args->agno, + fbno, 1, &oinfo); + if (error) + goto error0; + *stat = 0; return 0; } @@ -2264,6 +2277,7 @@ xfs_alloc_log_agf( offsetof(xfs_agf_t, agf_longest), offsetof(xfs_agf_t, agf_btreeblks), offsetof(xfs_agf_t, agf_uuid), + offsetof(xfs_agf_t, agf_rmap_blocks), sizeof(xfs_agf_t) }; diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index f814d42c73b2..e6a8bea0f7ba 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -640,12 +640,15 @@ typedef struct xfs_agf { __be32 agf_btreeblks; /* # of blocks held in AGF btrees */ uuid_t agf_uuid; /* uuid of filesystem */ + __be32 agf_rmap_blocks; /* rmapbt blocks used */ + __be32 agf_padding; /* padding */ + /* * reserve some contiguous space for future logged fields before we add * the unlogged fields. This makes the range logging via flags and * structure offsets much simpler. */ - __be64 agf_spare64[16]; + __be64 agf_spare64[15]; /* unlogged fields, written during buffer writeback. */ __be64 agf_lsn; /* last write sequence */ @@ -670,7 +673,8 @@ typedef struct xfs_agf { #define XFS_AGF_LONGEST 0x00000400 #define XFS_AGF_BTREEBLKS 0x00000800 #define XFS_AGF_UUID 0x00001000 -#define XFS_AGF_NUM_BITS 13 +#define XFS_AGF_RMAP_BLOCKS 0x00002000 +#define XFS_AGF_NUM_BITS 14 #define XFS_AGF_ALL_BITS ((1 << XFS_AGF_NUM_BITS) - 1) #define XFS_AGF_FLAGS \ @@ -686,7 +690,8 @@ typedef struct xfs_agf { { XFS_AGF_FREEBLKS, "FREEBLKS" }, \ { XFS_AGF_LONGEST, "LONGEST" }, \ { XFS_AGF_BTREEBLKS, "BTREEBLKS" }, \ - { XFS_AGF_UUID, "UUID" } + { XFS_AGF_UUID, "UUID" }, \ + { XFS_AGF_RMAP_BLOCKS, "RMAP_BLOCKS" } /* disk block (xfs_daddr_t) in the AG */ #define XFS_AGF_DADDR(mp) ((xfs_daddr_t)(1 << (mp)->m_sectbb_log)) diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index bc1faebc84ec..17b8eeb34ac8 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -98,6 +98,8 @@ xfs_rmapbt_alloc_block( union xfs_btree_ptr *new, int *stat) { + struct xfs_buf *agbp = cur->bc_private.a.agbp; + struct xfs_agf *agf = XFS_BUF_TO_AGF(agbp); int error; xfs_agblock_t bno; @@ -124,6 +126,8 @@ xfs_rmapbt_alloc_block( xfs_trans_agbtree_delta(cur->bc_tp, 1); new->s = cpu_to_be32(bno); + be32_add_cpu(&agf->agf_rmap_blocks, 1); + xfs_alloc_log_agf(cur->bc_tp, agbp, XFS_AGF_RMAP_BLOCKS); XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); *stat = 1; @@ -143,6 +147,8 @@ xfs_rmapbt_free_block( bno = xfs_daddr_to_agbno(cur->bc_mp, XFS_BUF_ADDR(bp)); trace_xfs_rmapbt_free_block(cur->bc_mp, cur->bc_private.a.agno, bno, 1); + be32_add_cpu(&agf->agf_rmap_blocks, -1); + xfs_alloc_log_agf(cur->bc_tp, agbp, XFS_AGF_RMAP_BLOCKS); error = xfs_alloc_put_freelist(cur->bc_tp, agbp, NULL, bno, 1); if (error) return error; diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 47a318ce82e0..607cc29bba21 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -115,7 +115,6 @@ xfs_buf_ioacct_dec( if (!(bp->b_flags & _XBF_IN_FLIGHT)) return; - ASSERT(bp->b_flags & XBF_ASYNC); bp->b_flags &= ~_XBF_IN_FLIGHT; percpu_counter_dec(&bp->b_target->bt_io_count); } diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index ed95e5bb04e6..e612a0233710 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -741,9 +741,20 @@ xfs_file_dax_write( * page is inserted into the pagecache when we have to serve a write * fault on a hole. It should never be dirtied and can simply be * dropped from the pagecache once we get real data for the page. + * + * XXX: This is racy against mmap, and there's nothing we can do about + * it. dax_do_io() should really do this invalidation internally as + * it will know if we've allocated over a holei for this specific IO and + * if so it needs to update the mapping tree and invalidate existing + * PTEs over the newly allocated range. Remove this invalidation when + * dax_do_io() is fixed up. */ if (mapping->nrpages) { - ret = invalidate_inode_pages2(mapping); + loff_t end = iocb->ki_pos + iov_iter_count(from) - 1; + + ret = invalidate_inode_pages2_range(mapping, + iocb->ki_pos >> PAGE_SHIFT, + end >> PAGE_SHIFT); WARN_ON_ONCE(ret); } diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 0f96847b90e1..0b7f986745c1 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -248,6 +248,7 @@ xfs_growfs_data_private( agf->agf_roots[XFS_BTNUM_RMAPi] = cpu_to_be32(XFS_RMAP_BLOCK(mp)); agf->agf_levels[XFS_BTNUM_RMAPi] = cpu_to_be32(1); + agf->agf_rmap_blocks = cpu_to_be32(1); } agf->agf_flfirst = cpu_to_be32(1); diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 2114d53df433..2af0dda1c978 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -715,12 +715,16 @@ xfs_iomap_write_allocate( * is in the delayed allocation extent on which we sit * but before our buffer starts. */ - nimaps = 0; while (nimaps == 0) { nres = XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK); - - error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, nres, + /* + * We have already reserved space for the extent and any + * indirect blocks when creating the delalloc extent, + * there is no need to reserve space in this transaction + * again. + */ + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, 0, 0, XFS_TRANS_RESERVE, &tp); if (error) return error; @@ -1037,20 +1041,14 @@ xfs_file_iomap_begin( return error; trace_xfs_iomap_alloc(ip, offset, length, 0, &imap); - xfs_bmbt_to_iomap(ip, iomap, &imap); - } else if (nimaps) { - xfs_iunlock(ip, XFS_ILOCK_EXCL); - trace_xfs_iomap_found(ip, offset, length, 0, &imap); - xfs_bmbt_to_iomap(ip, iomap, &imap); } else { + ASSERT(nimaps); + xfs_iunlock(ip, XFS_ILOCK_EXCL); - trace_xfs_iomap_not_found(ip, offset, length, 0, &imap); - iomap->blkno = IOMAP_NULL_BLOCK; - iomap->type = IOMAP_HOLE; - iomap->offset = offset; - iomap->length = length; + trace_xfs_iomap_found(ip, offset, length, 0, &imap); } + xfs_bmbt_to_iomap(ip, iomap, &imap); return 0; } @@ -1112,3 +1110,48 @@ struct iomap_ops xfs_iomap_ops = { .iomap_begin = xfs_file_iomap_begin, .iomap_end = xfs_file_iomap_end, }; + +static int +xfs_xattr_iomap_begin( + struct inode *inode, + loff_t offset, + loff_t length, + unsigned flags, + struct iomap *iomap) +{ + struct xfs_inode *ip = XFS_I(inode); + struct xfs_mount *mp = ip->i_mount; + xfs_fileoff_t offset_fsb = XFS_B_TO_FSBT(mp, offset); + xfs_fileoff_t end_fsb = XFS_B_TO_FSB(mp, offset + length); + struct xfs_bmbt_irec imap; + int nimaps = 1, error = 0; + unsigned lockmode; + + if (XFS_FORCED_SHUTDOWN(mp)) + return -EIO; + + lockmode = xfs_ilock_data_map_shared(ip); + + /* if there are no attribute fork or extents, return ENOENT */ + if (XFS_IFORK_Q(ip) || !ip->i_d.di_anextents) { + error = -ENOENT; + goto out_unlock; + } + + ASSERT(ip->i_d.di_aformat != XFS_DINODE_FMT_LOCAL); + error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, &imap, + &nimaps, XFS_BMAPI_ENTIRE | XFS_BMAPI_ATTRFORK); +out_unlock: + xfs_iunlock(ip, lockmode); + + if (!error) { + ASSERT(nimaps); + xfs_bmbt_to_iomap(ip, iomap, &imap); + } + + return error; +} + +struct iomap_ops xfs_xattr_iomap_ops = { + .iomap_begin = xfs_xattr_iomap_begin, +}; diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h index e066d045e2ff..fb8aca3d69ab 100644 --- a/fs/xfs/xfs_iomap.h +++ b/fs/xfs/xfs_iomap.h @@ -35,5 +35,6 @@ void xfs_bmbt_to_iomap(struct xfs_inode *, struct iomap *, struct xfs_bmbt_irec *); extern struct iomap_ops xfs_iomap_ops; +extern struct iomap_ops xfs_xattr_iomap_ops; #endif /* __XFS_IOMAP_H__*/ diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index ab820f84ed50..b24c3102fa93 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1009,7 +1009,14 @@ xfs_vn_fiemap( int error; xfs_ilock(XFS_I(inode), XFS_IOLOCK_SHARED); - error = iomap_fiemap(inode, fieinfo, start, length, &xfs_iomap_ops); + if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR) { + fieinfo->fi_flags &= ~FIEMAP_FLAG_XATTR; + error = iomap_fiemap(inode, fieinfo, start, length, + &xfs_xattr_iomap_ops); + } else { + error = iomap_fiemap(inode, fieinfo, start, length, + &xfs_iomap_ops); + } xfs_iunlock(XFS_I(inode), XFS_IOLOCK_SHARED); return error; diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 551b7e26980c..7e88bec3f359 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -1298,7 +1298,6 @@ DEFINE_IOMAP_EVENT(xfs_get_blocks_alloc); DEFINE_IOMAP_EVENT(xfs_get_blocks_map_direct); DEFINE_IOMAP_EVENT(xfs_iomap_alloc); DEFINE_IOMAP_EVENT(xfs_iomap_found); -DEFINE_IOMAP_EVENT(xfs_iomap_not_found); DECLARE_EVENT_CLASS(xfs_simple_io_class, TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count), diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 1bb954842725..436aa4e42221 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -527,13 +527,13 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s * object's lifetime is managed by something other than RCU. That * "something other" might be reference counting or simple immortality. * - * The seemingly unused void * variable is to validate @p is indeed a pointer - * type. All pointer types silently cast to void *. + * The seemingly unused size_t variable is to validate @p is indeed a pointer + * type by making sure it can be dereferenced. */ #define lockless_dereference(p) \ ({ \ typeof(p) _________p1 = READ_ONCE(p); \ - __maybe_unused const void * const _________p2 = _________p1; \ + size_t __maybe_unused __size_of_ptr = sizeof(*(p)); \ smp_read_barrier_depends(); /* Dependency order vs. p above. */ \ (_________p1); \ }) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 076df5360ba5..3a788bf0affd 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3891,8 +3891,7 @@ void netdev_default_l2upper_neigh_destroy(struct net_device *dev, extern u8 netdev_rss_key[NETDEV_RSS_KEY_LEN] __read_mostly; void netdev_rss_key_fill(void *buffer, size_t len); -int dev_get_nest_level(struct net_device *dev, - bool (*type_check)(const struct net_device *dev)); +int dev_get_nest_level(struct net_device *dev); int skb_checksum_help(struct sk_buff *skb); struct sk_buff *__skb_gso_segment(struct sk_buff *skb, netdev_features_t features, bool tx_path); diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h index b1e3c57c7117..d6c4177df7cb 100644 --- a/include/linux/qed/qed_if.h +++ b/include/linux/qed/qed_if.h @@ -70,8 +70,16 @@ struct qed_dbcx_pfc_params { u8 max_tc; }; +enum qed_dcbx_sf_ieee_type { + QED_DCBX_SF_IEEE_ETHTYPE, + QED_DCBX_SF_IEEE_TCP_PORT, + QED_DCBX_SF_IEEE_UDP_PORT, + QED_DCBX_SF_IEEE_TCP_UDP_PORT +}; + struct qed_app_entry { bool ethtype; + enum qed_dcbx_sf_ieee_type sf_ieee; bool enabled; u8 prio; u16 proto_id; diff --git a/include/linux/sctp.h b/include/linux/sctp.h index de1f64318fc4..fcb4c3646173 100644 --- a/include/linux/sctp.h +++ b/include/linux/sctp.h @@ -705,70 +705,6 @@ typedef struct sctp_auth_chunk { sctp_authhdr_t auth_hdr; } __packed sctp_auth_chunk_t; -struct sctp_info { - __u32 sctpi_tag; - __u32 sctpi_state; - __u32 sctpi_rwnd; - __u16 sctpi_unackdata; - __u16 sctpi_penddata; - __u16 sctpi_instrms; - __u16 sctpi_outstrms; - __u32 sctpi_fragmentation_point; - __u32 sctpi_inqueue; - __u32 sctpi_outqueue; - __u32 sctpi_overall_error; - __u32 sctpi_max_burst; - __u32 sctpi_maxseg; - __u32 sctpi_peer_rwnd; - __u32 sctpi_peer_tag; - __u8 sctpi_peer_capable; - __u8 sctpi_peer_sack; - __u16 __reserved1; - - /* assoc status info */ - __u64 sctpi_isacks; - __u64 sctpi_osacks; - __u64 sctpi_opackets; - __u64 sctpi_ipackets; - __u64 sctpi_rtxchunks; - __u64 sctpi_outofseqtsns; - __u64 sctpi_idupchunks; - __u64 sctpi_gapcnt; - __u64 sctpi_ouodchunks; - __u64 sctpi_iuodchunks; - __u64 sctpi_oodchunks; - __u64 sctpi_iodchunks; - __u64 sctpi_octrlchunks; - __u64 sctpi_ictrlchunks; - - /* primary transport info */ - struct sockaddr_storage sctpi_p_address; - __s32 sctpi_p_state; - __u32 sctpi_p_cwnd; - __u32 sctpi_p_srtt; - __u32 sctpi_p_rto; - __u32 sctpi_p_hbinterval; - __u32 sctpi_p_pathmaxrxt; - __u32 sctpi_p_sackdelay; - __u32 sctpi_p_sackfreq; - __u32 sctpi_p_ssthresh; - __u32 sctpi_p_partial_bytes_acked; - __u32 sctpi_p_flight_size; - __u16 sctpi_p_error; - __u16 __reserved2; - - /* sctp sock info */ - __u32 sctpi_s_autoclose; - __u32 sctpi_s_adaptation_ind; - __u32 sctpi_s_pd_point; - __u8 sctpi_s_nodelay; - __u8 sctpi_s_disable_fragments; - __u8 sctpi_s_v4mapped; - __u8 sctpi_s_frag_interleave; - __u32 sctpi_s_type; - __u32 __reserved3; -}; - struct sctp_infox { struct sctp_info *sctpinfo; struct sctp_association *asoc; diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 6f0b3e0adc73..0f665cb26b50 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2847,6 +2847,18 @@ static inline int skb_linearize_cow(struct sk_buff *skb) __skb_linearize(skb) : 0; } +static __always_inline void +__skb_postpull_rcsum(struct sk_buff *skb, const void *start, unsigned int len, + unsigned int off) +{ + if (skb->ip_summed == CHECKSUM_COMPLETE) + skb->csum = csum_block_sub(skb->csum, + csum_partial(start, len, 0), off); + else if (skb->ip_summed == CHECKSUM_PARTIAL && + skb_checksum_start_offset(skb) < 0) + skb->ip_summed = CHECKSUM_NONE; +} + /** * skb_postpull_rcsum - update checksum for received skb after pull * @skb: buffer to update @@ -2857,36 +2869,38 @@ static inline int skb_linearize_cow(struct sk_buff *skb) * update the CHECKSUM_COMPLETE checksum, or set ip_summed to * CHECKSUM_NONE so that it can be recomputed from scratch. */ - static inline void skb_postpull_rcsum(struct sk_buff *skb, const void *start, unsigned int len) { - if (skb->ip_summed == CHECKSUM_COMPLETE) - skb->csum = csum_sub(skb->csum, csum_partial(start, len, 0)); - else if (skb->ip_summed == CHECKSUM_PARTIAL && - skb_checksum_start_offset(skb) < 0) - skb->ip_summed = CHECKSUM_NONE; + __skb_postpull_rcsum(skb, start, len, 0); } -unsigned char *skb_pull_rcsum(struct sk_buff *skb, unsigned int len); +static __always_inline void +__skb_postpush_rcsum(struct sk_buff *skb, const void *start, unsigned int len, + unsigned int off) +{ + if (skb->ip_summed == CHECKSUM_COMPLETE) + skb->csum = csum_block_add(skb->csum, + csum_partial(start, len, 0), off); +} +/** + * skb_postpush_rcsum - update checksum for received skb after push + * @skb: buffer to update + * @start: start of data after push + * @len: length of data pushed + * + * After doing a push on a received packet, you need to call this to + * update the CHECKSUM_COMPLETE checksum. + */ static inline void skb_postpush_rcsum(struct sk_buff *skb, const void *start, unsigned int len) { - /* For performing the reverse operation to skb_postpull_rcsum(), - * we can instead of ... - * - * skb->csum = csum_add(skb->csum, csum_partial(start, len, 0)); - * - * ... just use this equivalent version here to save a few - * instructions. Feeding csum of 0 in csum_partial() and later - * on adding skb->csum is equivalent to feed skb->csum in the - * first place. - */ - if (skb->ip_summed == CHECKSUM_COMPLETE) - skb->csum = csum_partial(start, len, skb->csum); + __skb_postpush_rcsum(skb, start, len, 0); } +unsigned char *skb_pull_rcsum(struct sk_buff *skb, unsigned int len); + /** * skb_push_rcsum - push skb and update receive checksum * @skb: buffer to update diff --git a/include/net/act_api.h b/include/net/act_api.h index 41e6a24a44b9..82f3c912a5b1 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -176,8 +176,8 @@ int tcf_register_action(struct tc_action_ops *a, struct pernet_operations *ops); int tcf_unregister_action(struct tc_action_ops *a, struct pernet_operations *ops); int tcf_action_destroy(struct list_head *actions, int bind); -int tcf_action_exec(struct sk_buff *skb, const struct list_head *actions, - struct tcf_result *res); +int tcf_action_exec(struct sk_buff *skb, struct tc_action **actions, + int nr_actions, struct tcf_result *res); int tcf_action_init(struct net *net, struct nlattr *nla, struct nlattr *est, char *n, int ovr, int bind, struct list_head *); @@ -189,30 +189,17 @@ int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int); int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int); int tcf_action_copy_stats(struct sk_buff *, struct tc_action *, int); -#define tc_no_actions(_exts) \ - (list_empty(&(_exts)->actions)) - -#define tc_for_each_action(_a, _exts) \ - list_for_each_entry(a, &(_exts)->actions, list) - -#define tc_single_action(_exts) \ - (list_is_singular(&(_exts)->actions)) +#endif /* CONFIG_NET_CLS_ACT */ static inline void tcf_action_stats_update(struct tc_action *a, u64 bytes, u64 packets, u64 lastuse) { +#ifdef CONFIG_NET_CLS_ACT if (!a->ops->stats_update) return; a->ops->stats_update(a, bytes, packets, lastuse); +#endif } -#else /* CONFIG_NET_CLS_ACT */ - -#define tc_no_actions(_exts) true -#define tc_for_each_action(_a, _exts) while ((void)(_a), 0) -#define tc_single_action(_exts) false -#define tcf_action_stats_update(a, bytes, packets, lastuse) - -#endif /* CONFIG_NET_CLS_ACT */ #endif diff --git a/include/net/af_rxrpc.h b/include/net/af_rxrpc.h index ac1bc3c49fbd..7b0f88699b25 100644 --- a/include/net/af_rxrpc.h +++ b/include/net/af_rxrpc.h @@ -40,12 +40,12 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *, unsigned long, gfp_t); int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *, size_t); +void rxrpc_kernel_data_consumed(struct rxrpc_call *, struct sk_buff *); void rxrpc_kernel_abort_call(struct rxrpc_call *, u32); void rxrpc_kernel_end_call(struct rxrpc_call *); bool rxrpc_kernel_is_data_last(struct sk_buff *); u32 rxrpc_kernel_get_abort_code(struct sk_buff *); int rxrpc_kernel_get_error_number(struct sk_buff *); -void rxrpc_kernel_data_delivered(struct sk_buff *); void rxrpc_kernel_free_skb(struct sk_buff *); struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *, unsigned long); int rxrpc_kernel_reject_call(struct socket *); diff --git a/include/net/gre.h b/include/net/gre.h index 7a54a31d1d4c..73ea256eb7d7 100644 --- a/include/net/gre.h +++ b/include/net/gre.h @@ -104,6 +104,7 @@ static inline void gre_build_header(struct sk_buff *skb, int hdr_len, skb_push(skb, hdr_len); + skb_set_inner_protocol(skb, proto); skb_reset_transport_header(skb); greh = (struct gre_base_hdr *)skb->data; greh->flags = gre_tnl_flags_to_gre_flags(flags); diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h index 0dc0a51da38f..dce2d586d9ce 100644 --- a/include/net/inet_ecn.h +++ b/include/net/inet_ecn.h @@ -128,7 +128,8 @@ static inline int IP6_ECN_set_ce(struct sk_buff *skb, struct ipv6hdr *iph) to = from | htonl(INET_ECN_CE << 20); *(__be32 *)iph = to; if (skb->ip_summed == CHECKSUM_COMPLETE) - skb->csum = csum_add(csum_sub(skb->csum, from), to); + skb->csum = csum_add(csum_sub(skb->csum, (__force __wsum)from), + (__force __wsum)to); return 1; } diff --git a/include/net/mac80211.h b/include/net/mac80211.h index b4faadbb4e01..cca510a585c3 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -3620,7 +3620,8 @@ struct ieee80211_ops { int (*join_ibss)(struct ieee80211_hw *hw, struct ieee80211_vif *vif); void (*leave_ibss)(struct ieee80211_hw *hw, struct ieee80211_vif *vif); - u32 (*get_expected_throughput)(struct ieee80211_sta *sta); + u32 (*get_expected_throughput)(struct ieee80211_hw *hw, + struct ieee80211_sta *sta); int (*get_txpower)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, int *dbm); diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index 6f8d65342d3a..c99508d426cc 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -59,7 +59,8 @@ tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r) struct tcf_exts { #ifdef CONFIG_NET_CLS_ACT __u32 type; /* for backward compat(TCA_OLD_COMPAT) */ - struct list_head actions; + int nr_actions; + struct tc_action **actions; #endif /* Map to export classifier specific extension TLV types to the * generic extensions API. Unsupported extensions must be set to 0. @@ -72,7 +73,10 @@ static inline void tcf_exts_init(struct tcf_exts *exts, int action, int police) { #ifdef CONFIG_NET_CLS_ACT exts->type = 0; - INIT_LIST_HEAD(&exts->actions); + exts->nr_actions = 0; + exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *), + GFP_KERNEL); + WARN_ON(!exts->actions); /* TODO: propagate the error to callers */ #endif exts->action = action; exts->police = police; @@ -89,7 +93,7 @@ static inline int tcf_exts_is_predicative(struct tcf_exts *exts) { #ifdef CONFIG_NET_CLS_ACT - return !list_empty(&exts->actions); + return exts->nr_actions; #else return 0; #endif @@ -108,6 +112,20 @@ tcf_exts_is_available(struct tcf_exts *exts) return tcf_exts_is_predicative(exts); } +static inline void tcf_exts_to_list(const struct tcf_exts *exts, + struct list_head *actions) +{ +#ifdef CONFIG_NET_CLS_ACT + int i; + + for (i = 0; i < exts->nr_actions; i++) { + struct tc_action *a = exts->actions[i]; + + list_add(&a->list, actions); + } +#endif +} + /** * tcf_exts_exec - execute tc filter extensions * @skb: socket buffer @@ -124,12 +142,25 @@ tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts, struct tcf_result *res) { #ifdef CONFIG_NET_CLS_ACT - if (!list_empty(&exts->actions)) - return tcf_action_exec(skb, &exts->actions, res); + if (exts->nr_actions) + return tcf_action_exec(skb, exts->actions, exts->nr_actions, + res); #endif return 0; } +#ifdef CONFIG_NET_CLS_ACT + +#define tc_no_actions(_exts) ((_exts)->nr_actions == 0) +#define tc_single_action(_exts) ((_exts)->nr_actions == 1) + +#else /* CONFIG_NET_CLS_ACT */ + +#define tc_no_actions(_exts) true +#define tc_single_action(_exts) false + +#endif /* CONFIG_NET_CLS_ACT */ + int tcf_exts_validate(struct net *net, struct tcf_proto *tp, struct nlattr **tb, struct nlattr *rate_tlv, struct tcf_exts *exts, bool ovr); diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index da218fec6056..9e5fc168c8a3 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -339,7 +339,7 @@ enum bpf_func_id { BPF_FUNC_skb_change_type, /** - * bpf_skb_in_cgroup(skb, map, index) - Check cgroup2 membership of skb + * bpf_skb_under_cgroup(skb, map, index) - Check cgroup2 membership of skb * @skb: pointer to skb * @map: pointer to bpf_map in BPF_MAP_TYPE_CGROUP_ARRAY type * @index: index of the cgroup in the bpf_map @@ -348,7 +348,7 @@ enum bpf_func_id { * == 1 skb succeeded the cgroup2 descendant test * < 0 error */ - BPF_FUNC_skb_in_cgroup, + BPF_FUNC_skb_under_cgroup, /** * bpf_get_hash_recalc(skb) diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index 01751faccaf8..c674ba2563b7 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -24,7 +24,7 @@ enum nft_registers { __NFT_REG_MAX, NFT_REG32_00 = 8, - MFT_REG32_01, + NFT_REG32_01, NFT_REG32_02, NFT_REG32_03, NFT_REG32_04, diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h index d304f4c9792c..a406adcc0793 100644 --- a/include/uapi/linux/sctp.h +++ b/include/uapi/linux/sctp.h @@ -944,4 +944,68 @@ struct sctp_default_prinfo { __u16 pr_policy; }; +struct sctp_info { + __u32 sctpi_tag; + __u32 sctpi_state; + __u32 sctpi_rwnd; + __u16 sctpi_unackdata; + __u16 sctpi_penddata; + __u16 sctpi_instrms; + __u16 sctpi_outstrms; + __u32 sctpi_fragmentation_point; + __u32 sctpi_inqueue; + __u32 sctpi_outqueue; + __u32 sctpi_overall_error; + __u32 sctpi_max_burst; + __u32 sctpi_maxseg; + __u32 sctpi_peer_rwnd; + __u32 sctpi_peer_tag; + __u8 sctpi_peer_capable; + __u8 sctpi_peer_sack; + __u16 __reserved1; + + /* assoc status info */ + __u64 sctpi_isacks; + __u64 sctpi_osacks; + __u64 sctpi_opackets; + __u64 sctpi_ipackets; + __u64 sctpi_rtxchunks; + __u64 sctpi_outofseqtsns; + __u64 sctpi_idupchunks; + __u64 sctpi_gapcnt; + __u64 sctpi_ouodchunks; + __u64 sctpi_iuodchunks; + __u64 sctpi_oodchunks; + __u64 sctpi_iodchunks; + __u64 sctpi_octrlchunks; + __u64 sctpi_ictrlchunks; + + /* primary transport info */ + struct sockaddr_storage sctpi_p_address; + __s32 sctpi_p_state; + __u32 sctpi_p_cwnd; + __u32 sctpi_p_srtt; + __u32 sctpi_p_rto; + __u32 sctpi_p_hbinterval; + __u32 sctpi_p_pathmaxrxt; + __u32 sctpi_p_sackdelay; + __u32 sctpi_p_sackfreq; + __u32 sctpi_p_ssthresh; + __u32 sctpi_p_partial_bytes_acked; + __u32 sctpi_p_flight_size; + __u16 sctpi_p_error; + __u16 __reserved2; + + /* sctp sock info */ + __u32 sctpi_s_autoclose; + __u32 sctpi_s_adaptation_ind; + __u32 sctpi_s_pd_point; + __u8 sctpi_s_nodelay; + __u8 sctpi_s_disable_fragments; + __u8 sctpi_s_v4mapped; + __u8 sctpi_s_frag_interleave; + __u32 sctpi_s_type; + __u32 __reserved3; +}; + #endif /* _UAPI_SCTP_H */ diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index fff3650d52fc..570eeca7bdfa 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -26,11 +26,18 @@ struct bpf_htab { struct bucket *buckets; void *elems; struct pcpu_freelist freelist; + void __percpu *extra_elems; atomic_t count; /* number of elements in this hashtable */ u32 n_buckets; /* number of hash buckets */ u32 elem_size; /* size of each element in bytes */ }; +enum extra_elem_state { + HTAB_NOT_AN_EXTRA_ELEM = 0, + HTAB_EXTRA_ELEM_FREE, + HTAB_EXTRA_ELEM_USED +}; + /* each htab element is struct htab_elem + key + value */ struct htab_elem { union { @@ -38,7 +45,10 @@ struct htab_elem { struct bpf_htab *htab; struct pcpu_freelist_node fnode; }; - struct rcu_head rcu; + union { + struct rcu_head rcu; + enum extra_elem_state state; + }; u32 hash; char key[0] __aligned(8); }; @@ -113,6 +123,23 @@ free_elems: return err; } +static int alloc_extra_elems(struct bpf_htab *htab) +{ + void __percpu *pptr; + int cpu; + + pptr = __alloc_percpu_gfp(htab->elem_size, 8, GFP_USER | __GFP_NOWARN); + if (!pptr) + return -ENOMEM; + + for_each_possible_cpu(cpu) { + ((struct htab_elem *)per_cpu_ptr(pptr, cpu))->state = + HTAB_EXTRA_ELEM_FREE; + } + htab->extra_elems = pptr; + return 0; +} + /* Called from syscall */ static struct bpf_map *htab_map_alloc(union bpf_attr *attr) { @@ -185,6 +212,8 @@ static struct bpf_map *htab_map_alloc(union bpf_attr *attr) if (percpu) cost += (u64) round_up(htab->map.value_size, 8) * num_possible_cpus() * htab->map.max_entries; + else + cost += (u64) htab->elem_size * num_possible_cpus(); if (cost >= U32_MAX - PAGE_SIZE) /* make sure page count doesn't overflow */ @@ -212,14 +241,22 @@ static struct bpf_map *htab_map_alloc(union bpf_attr *attr) raw_spin_lock_init(&htab->buckets[i].lock); } + if (!percpu) { + err = alloc_extra_elems(htab); + if (err) + goto free_buckets; + } + if (!(attr->map_flags & BPF_F_NO_PREALLOC)) { err = prealloc_elems_and_freelist(htab); if (err) - goto free_buckets; + goto free_extra_elems; } return &htab->map; +free_extra_elems: + free_percpu(htab->extra_elems); free_buckets: kvfree(htab->buckets); free_htab: @@ -349,7 +386,6 @@ static void htab_elem_free(struct bpf_htab *htab, struct htab_elem *l) if (htab->map.map_type == BPF_MAP_TYPE_PERCPU_HASH) free_percpu(htab_elem_get_ptr(l, htab->map.key_size)); kfree(l); - } static void htab_elem_free_rcu(struct rcu_head *head) @@ -370,6 +406,11 @@ static void htab_elem_free_rcu(struct rcu_head *head) static void free_htab_elem(struct bpf_htab *htab, struct htab_elem *l) { + if (l->state == HTAB_EXTRA_ELEM_USED) { + l->state = HTAB_EXTRA_ELEM_FREE; + return; + } + if (!(htab->map.map_flags & BPF_F_NO_PREALLOC)) { pcpu_freelist_push(&htab->freelist, &l->fnode); } else { @@ -381,25 +422,44 @@ static void free_htab_elem(struct bpf_htab *htab, struct htab_elem *l) static struct htab_elem *alloc_htab_elem(struct bpf_htab *htab, void *key, void *value, u32 key_size, u32 hash, - bool percpu, bool onallcpus) + bool percpu, bool onallcpus, + bool old_elem_exists) { u32 size = htab->map.value_size; bool prealloc = !(htab->map.map_flags & BPF_F_NO_PREALLOC); struct htab_elem *l_new; void __percpu *pptr; + int err = 0; if (prealloc) { l_new = (struct htab_elem *)pcpu_freelist_pop(&htab->freelist); if (!l_new) - return ERR_PTR(-E2BIG); + err = -E2BIG; } else { if (atomic_inc_return(&htab->count) > htab->map.max_entries) { atomic_dec(&htab->count); - return ERR_PTR(-E2BIG); + err = -E2BIG; + } else { + l_new = kmalloc(htab->elem_size, + GFP_ATOMIC | __GFP_NOWARN); + if (!l_new) + return ERR_PTR(-ENOMEM); } - l_new = kmalloc(htab->elem_size, GFP_ATOMIC | __GFP_NOWARN); - if (!l_new) - return ERR_PTR(-ENOMEM); + } + + if (err) { + if (!old_elem_exists) + return ERR_PTR(err); + + /* if we're updating the existing element and the hash table + * is full, use per-cpu extra elems + */ + l_new = this_cpu_ptr(htab->extra_elems); + if (l_new->state != HTAB_EXTRA_ELEM_FREE) + return ERR_PTR(-E2BIG); + l_new->state = HTAB_EXTRA_ELEM_USED; + } else { + l_new->state = HTAB_NOT_AN_EXTRA_ELEM; } memcpy(l_new->key, key, key_size); @@ -489,7 +549,8 @@ static int htab_map_update_elem(struct bpf_map *map, void *key, void *value, if (ret) goto err; - l_new = alloc_htab_elem(htab, key, value, key_size, hash, false, false); + l_new = alloc_htab_elem(htab, key, value, key_size, hash, false, false, + !!l_old); if (IS_ERR(l_new)) { /* all pre-allocated elements are in use or memory exhausted */ ret = PTR_ERR(l_new); @@ -563,7 +624,7 @@ static int __htab_percpu_map_update_elem(struct bpf_map *map, void *key, } } else { l_new = alloc_htab_elem(htab, key, value, key_size, - hash, true, onallcpus); + hash, true, onallcpus, false); if (IS_ERR(l_new)) { ret = PTR_ERR(l_new); goto err; @@ -652,6 +713,7 @@ static void htab_map_free(struct bpf_map *map) htab_free_elems(htab); pcpu_freelist_destroy(&htab->freelist); } + free_percpu(htab->extra_elems); kvfree(htab->buckets); kfree(htab); } diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index f72f23b8fdab..daea765d72e6 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -194,6 +194,7 @@ struct verifier_env { struct verifier_state_list **explored_states; /* search pruning optimization */ struct bpf_map *used_maps[MAX_USED_MAPS]; /* array of map's used by eBPF program */ u32 used_map_cnt; /* number of used maps */ + u32 id_gen; /* used to generate unique reg IDs */ bool allow_ptr_leaks; }; @@ -1052,7 +1053,7 @@ static int check_map_func_compatibility(struct bpf_map *map, int func_id) goto error; break; case BPF_MAP_TYPE_CGROUP_ARRAY: - if (func_id != BPF_FUNC_skb_in_cgroup) + if (func_id != BPF_FUNC_skb_under_cgroup) goto error; break; default: @@ -1074,7 +1075,7 @@ static int check_map_func_compatibility(struct bpf_map *map, int func_id) if (map->map_type != BPF_MAP_TYPE_STACK_TRACE) goto error; break; - case BPF_FUNC_skb_in_cgroup: + case BPF_FUNC_skb_under_cgroup: if (map->map_type != BPF_MAP_TYPE_CGROUP_ARRAY) goto error; break; @@ -1301,7 +1302,7 @@ add_imm: /* dst_reg stays as pkt_ptr type and since some positive * integer value was added to the pointer, increment its 'id' */ - dst_reg->id++; + dst_reg->id = ++env->id_gen; /* something was added to pkt_ptr, set range and off to zero */ dst_reg->off = 0; diff --git a/kernel/events/core.c b/kernel/events/core.c index 1903b8f3a705..5650f5317e0c 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -242,18 +242,6 @@ unlock: return ret; } -static void event_function_local(struct perf_event *event, event_f func, void *data) -{ - struct event_function_struct efs = { - .event = event, - .func = func, - .data = data, - }; - - int ret = event_function(&efs); - WARN_ON_ONCE(ret); -} - static void event_function_call(struct perf_event *event, event_f func, void *data) { struct perf_event_context *ctx = event->ctx; @@ -303,6 +291,54 @@ again: raw_spin_unlock_irq(&ctx->lock); } +/* + * Similar to event_function_call() + event_function(), but hard assumes IRQs + * are already disabled and we're on the right CPU. + */ +static void event_function_local(struct perf_event *event, event_f func, void *data) +{ + struct perf_event_context *ctx = event->ctx; + struct perf_cpu_context *cpuctx = __get_cpu_context(ctx); + struct task_struct *task = READ_ONCE(ctx->task); + struct perf_event_context *task_ctx = NULL; + + WARN_ON_ONCE(!irqs_disabled()); + + if (task) { + if (task == TASK_TOMBSTONE) + return; + + task_ctx = ctx; + } + + perf_ctx_lock(cpuctx, task_ctx); + + task = ctx->task; + if (task == TASK_TOMBSTONE) + goto unlock; + + if (task) { + /* + * We must be either inactive or active and the right task, + * otherwise we're screwed, since we cannot IPI to somewhere + * else. + */ + if (ctx->is_active) { + if (WARN_ON_ONCE(task != current)) + goto unlock; + + if (WARN_ON_ONCE(cpuctx->task_ctx != ctx)) + goto unlock; + } + } else { + WARN_ON_ONCE(&cpuctx->ctx != ctx); + } + + func(event, cpuctx, ctx, data); +unlock: + perf_ctx_unlock(cpuctx, task_ctx); +} + #define PERF_FLAG_ALL (PERF_FLAG_FD_NO_GROUP |\ PERF_FLAG_FD_OUTPUT |\ PERF_FLAG_PID_CGROUP |\ @@ -3513,9 +3549,10 @@ static int perf_event_read(struct perf_event *event, bool group) .group = group, .ret = 0, }; - smp_call_function_single(event->oncpu, - __perf_event_read, &data, 1); - ret = data.ret; + ret = smp_call_function_single(event->oncpu, __perf_event_read, &data, 1); + /* The event must have been read from an online CPU: */ + WARN_ON_ONCE(ret); + ret = ret ? : data.ret; } else if (event->state == PERF_EVENT_STATE_INACTIVE) { struct perf_event_context *ctx = event->ctx; unsigned long flags; @@ -6584,15 +6621,6 @@ got_name: } /* - * Whether this @filter depends on a dynamic object which is not loaded - * yet or its load addresses are not known. - */ -static bool perf_addr_filter_needs_mmap(struct perf_addr_filter *filter) -{ - return filter->filter && filter->inode; -} - -/* * Check whether inode and address range match filter criteria. */ static bool perf_addr_filter_match(struct perf_addr_filter *filter, @@ -6653,6 +6681,13 @@ static void perf_addr_filters_adjust(struct vm_area_struct *vma) struct perf_event_context *ctx; int ctxn; + /* + * Data tracing isn't supported yet and as such there is no need + * to keep track of anything that isn't related to executable code: + */ + if (!(vma->vm_flags & VM_EXEC)) + return; + rcu_read_lock(); for_each_task_context_nr(ctxn) { ctx = rcu_dereference(current->perf_event_ctxp[ctxn]); @@ -7805,7 +7840,11 @@ static void perf_event_addr_filters_apply(struct perf_event *event) list_for_each_entry(filter, &ifh->list, entry) { event->addr_filters_offs[count] = 0; - if (perf_addr_filter_needs_mmap(filter)) + /* + * Adjust base offset if the filter is associated to a binary + * that needs to be mapped: + */ + if (filter->inode) event->addr_filters_offs[count] = perf_addr_filter_apply(filter, mm); @@ -7936,8 +7975,10 @@ perf_event_parse_addr_filter(struct perf_event *event, char *fstr, goto fail; } - if (token == IF_SRC_FILE) { - filename = match_strdup(&args[2]); + if (token == IF_SRC_FILE || token == IF_SRC_FILEADDR) { + int fpos = filter->range ? 2 : 1; + + filename = match_strdup(&args[fpos]); if (!filename) { ret = -ENOMEM; goto fail; diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index b7a525ab2083..8c50276b60d1 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -172,8 +172,10 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr, mmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end); err = -EAGAIN; ptep = page_check_address(page, mm, addr, &ptl, 0); - if (!ptep) + if (!ptep) { + mem_cgroup_cancel_charge(kpage, memcg, false); goto unlock; + } get_page(kpage); page_add_new_anon_rmap(kpage, vma, addr, false); @@ -200,7 +202,6 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr, err = 0; unlock: - mem_cgroup_cancel_charge(kpage, memcg, false); mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end); unlock_page(page); return err; diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 9a0178c2ac1d..b02228411d57 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -835,9 +835,9 @@ static bool memory_bm_pfn_present(struct memory_bitmap *bm, unsigned long pfn) */ static bool rtree_next_node(struct memory_bitmap *bm) { - bm->cur.node = list_entry(bm->cur.node->list.next, - struct rtree_node, list); - if (&bm->cur.node->list != &bm->cur.zone->leaves) { + if (!list_is_last(&bm->cur.node->list, &bm->cur.zone->leaves)) { + bm->cur.node = list_entry(bm->cur.node->list.next, + struct rtree_node, list); bm->cur.node_pfn += BM_BITS_PER_BLOCK; bm->cur.node_bit = 0; touch_softlockup_watchdog(); @@ -845,9 +845,9 @@ static bool rtree_next_node(struct memory_bitmap *bm) } /* No more nodes, goto next zone */ - bm->cur.zone = list_entry(bm->cur.zone->list.next, + if (!list_is_last(&bm->cur.zone->list, &bm->zones)) { + bm->cur.zone = list_entry(bm->cur.zone->list.next, struct mem_zone_bm_rtree, list); - if (&bm->cur.zone->list != &bm->zones) { bm->cur.node = list_entry(bm->cur.zone->leaves.next, struct rtree_node, list); bm->cur.node_pfn = 0; diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 9858266fb0b3..a846cf89eb96 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -263,6 +263,11 @@ void account_idle_time(cputime_t cputime) cpustat[CPUTIME_IDLE] += (__force u64) cputime; } +/* + * When a guest is interrupted for a longer amount of time, missed clock + * ticks are not redelivered later. Due to that, this function may on + * occasion account more time than the calling functions think elapsed. + */ static __always_inline cputime_t steal_account_process_time(cputime_t maxtime) { #ifdef CONFIG_PARAVIRT @@ -371,7 +376,7 @@ static void irqtime_account_process_tick(struct task_struct *p, int user_tick, * idle, or potentially user or system time. Due to rounding, * other time can exceed ticks occasionally. */ - other = account_other_time(cputime); + other = account_other_time(ULONG_MAX); if (other >= cputime) return; cputime -= other; @@ -486,7 +491,7 @@ void account_process_tick(struct task_struct *p, int user_tick) } cputime = cputime_one_jiffy; - steal = steal_account_process_time(cputime); + steal = steal_account_process_time(ULONG_MAX); if (steal >= cputime) return; @@ -516,7 +521,7 @@ void account_idle_ticks(unsigned long ticks) } cputime = jiffies_to_cputime(ticks); - steal = steal_account_process_time(cputime); + steal = steal_account_process_time(ULONG_MAX); if (steal >= cputime) return; @@ -614,19 +619,25 @@ static void cputime_adjust(struct task_cputime *curr, stime = curr->stime; utime = curr->utime; - if (utime == 0) { - stime = rtime; + /* + * If either stime or both stime and utime are 0, assume all runtime is + * userspace. Once a task gets some ticks, the monotonicy code at + * 'update' will ensure things converge to the observed ratio. + */ + if (stime == 0) { + utime = rtime; goto update; } - if (stime == 0) { - utime = rtime; + if (utime == 0) { + stime = rtime; goto update; } stime = scale_stime((__force u64)stime, (__force u64)rtime, (__force u64)(stime + utime)); +update: /* * Make sure stime doesn't go backwards; this preserves monotonicity * for utime because rtime is monotonic. @@ -649,7 +660,6 @@ static void cputime_adjust(struct task_cputime *curr, stime = rtime - utime; } -update: prev->stime = stime; prev->utime = utime; out: @@ -694,6 +704,13 @@ static cputime_t get_vtime_delta(struct task_struct *tsk) unsigned long now = READ_ONCE(jiffies); cputime_t delta, other; + /* + * Unlike tick based timing, vtime based timing never has lost + * ticks, and no need for steal time accounting to make up for + * lost ticks. Vtime accounts a rounded version of actual + * elapsed time. Limit account_other_time to prevent rounding + * errors from causing elapsed vtime to go negative. + */ delta = jiffies_to_cputime(now - tsk->vtime_snap); other = account_other_time(delta); WARN_ON_ONCE(tsk->vtime_snap_whence == VTIME_INACTIVE); diff --git a/lib/rhashtable.c b/lib/rhashtable.c index 5d845ffd7982..5ba520b544d7 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -30,7 +30,7 @@ #define HASH_DEFAULT_SIZE 64UL #define HASH_MIN_SIZE 4U -#define BUCKET_LOCKS_PER_CPU 128UL +#define BUCKET_LOCKS_PER_CPU 32UL static u32 head_hashfn(struct rhashtable *ht, const struct bucket_table *tbl, @@ -70,7 +70,7 @@ static int alloc_bucket_locks(struct rhashtable *ht, struct bucket_table *tbl, unsigned int nr_pcpus = num_possible_cpus(); #endif - nr_pcpus = min_t(unsigned int, nr_pcpus, 32UL); + nr_pcpus = min_t(unsigned int, nr_pcpus, 64UL); size = roundup_pow_of_two(nr_pcpus * ht->p.locks_mul); /* Never allocate more than 0.5 locks per bucket */ @@ -83,6 +83,9 @@ static int alloc_bucket_locks(struct rhashtable *ht, struct bucket_table *tbl, tbl->locks = vmalloc(size * sizeof(spinlock_t)); else #endif + if (gfp != GFP_KERNEL) + gfp |= __GFP_NOWARN | __GFP_NORETRY; + tbl->locks = kmalloc_array(size, sizeof(spinlock_t), gfp); if (!tbl->locks) @@ -321,12 +324,14 @@ static int rhashtable_expand(struct rhashtable *ht) static int rhashtable_shrink(struct rhashtable *ht) { struct bucket_table *new_tbl, *old_tbl = rht_dereference(ht->tbl, ht); - unsigned int size; + unsigned int nelems = atomic_read(&ht->nelems); + unsigned int size = 0; int err; ASSERT_RHT_MUTEX(ht); - size = roundup_pow_of_two(atomic_read(&ht->nelems) * 3 / 2); + if (nelems) + size = roundup_pow_of_two(nelems * 3 / 2); if (size < ht->p.min_size) size = ht->p.min_size; diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c index 297fdb5e74bd..64e899b63337 100644 --- a/lib/test_rhashtable.c +++ b/lib/test_rhashtable.c @@ -38,7 +38,7 @@ MODULE_PARM_DESC(runs, "Number of test runs per variant (default: 4)"); static int max_size = 0; module_param(max_size, int, 0); -MODULE_PARM_DESC(runs, "Maximum table size (default: calculated)"); +MODULE_PARM_DESC(max_size, "Maximum table size (default: calculated)"); static bool shrinking = false; module_param(shrinking, bool, 0); diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 82a116ba590e..8de138d3306b 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -169,7 +169,7 @@ int register_vlan_dev(struct net_device *dev) if (err < 0) goto out_uninit_mvrp; - vlan->nest_level = dev_get_nest_level(real_dev, is_vlan_dev) + 1; + vlan->nest_level = dev_get_nest_level(real_dev) + 1; err = register_netdevice(dev); if (err < 0) goto out_uninit_mvrp; diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index c18080ad4085..cd620fab41b0 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -267,7 +267,7 @@ void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr) /* If old entry was unassociated with any port, then delete it. */ f = __br_fdb_get(br, br->dev->dev_addr, 0); - if (f && f->is_local && !f->dst) + if (f && f->is_local && !f->dst && !f->added_by_user) fdb_delete_local(br, NULL, f); fdb_insert(br, NULL, newaddr, 0); @@ -282,7 +282,7 @@ void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr) if (!br_vlan_should_use(v)) continue; f = __br_fdb_get(br, br->dev->dev_addr, v->vid); - if (f && f->is_local && !f->dst) + if (f && f->is_local && !f->dst && !f->added_by_user) fdb_delete_local(br, NULL, f); fdb_insert(br, NULL, newaddr, v->vid); } @@ -764,20 +764,25 @@ out: } /* Update (create or replace) forwarding database entry */ -static int fdb_add_entry(struct net_bridge_port *source, const __u8 *addr, - __u16 state, __u16 flags, __u16 vid) +static int fdb_add_entry(struct net_bridge *br, struct net_bridge_port *source, + const __u8 *addr, __u16 state, __u16 flags, __u16 vid) { - struct net_bridge *br = source->br; struct hlist_head *head = &br->hash[br_mac_hash(addr, vid)]; struct net_bridge_fdb_entry *fdb; bool modified = false; /* If the port cannot learn allow only local and static entries */ - if (!(state & NUD_PERMANENT) && !(state & NUD_NOARP) && + if (source && !(state & NUD_PERMANENT) && !(state & NUD_NOARP) && !(source->state == BR_STATE_LEARNING || source->state == BR_STATE_FORWARDING)) return -EPERM; + if (!source && !(state & NUD_PERMANENT)) { + pr_info("bridge: RTM_NEWNEIGH %s without NUD_PERMANENT\n", + br->dev->name); + return -EINVAL; + } + fdb = fdb_find(head, addr, vid); if (fdb == NULL) { if (!(flags & NLM_F_CREATE)) @@ -832,22 +837,28 @@ static int fdb_add_entry(struct net_bridge_port *source, const __u8 *addr, return 0; } -static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge_port *p, - const unsigned char *addr, u16 nlh_flags, u16 vid) +static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge *br, + struct net_bridge_port *p, const unsigned char *addr, + u16 nlh_flags, u16 vid) { int err = 0; if (ndm->ndm_flags & NTF_USE) { + if (!p) { + pr_info("bridge: RTM_NEWNEIGH %s with NTF_USE is not supported\n", + br->dev->name); + return -EINVAL; + } local_bh_disable(); rcu_read_lock(); - br_fdb_update(p->br, p, addr, vid, true); + br_fdb_update(br, p, addr, vid, true); rcu_read_unlock(); local_bh_enable(); } else { - spin_lock_bh(&p->br->hash_lock); - err = fdb_add_entry(p, addr, ndm->ndm_state, + spin_lock_bh(&br->hash_lock); + err = fdb_add_entry(br, p, addr, ndm->ndm_state, nlh_flags, vid); - spin_unlock_bh(&p->br->hash_lock); + spin_unlock_bh(&br->hash_lock); } return err; @@ -884,6 +895,7 @@ int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], dev->name); return -EINVAL; } + br = p->br; vg = nbp_vlan_group(p); } @@ -895,15 +907,9 @@ int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], } /* VID was specified, so use it. */ - if (dev->priv_flags & IFF_EBRIDGE) - err = br_fdb_insert(br, NULL, addr, vid); - else - err = __br_fdb_add(ndm, p, addr, nlh_flags, vid); + err = __br_fdb_add(ndm, br, p, addr, nlh_flags, vid); } else { - if (dev->priv_flags & IFF_EBRIDGE) - err = br_fdb_insert(br, NULL, addr, 0); - else - err = __br_fdb_add(ndm, p, addr, nlh_flags, 0); + err = __br_fdb_add(ndm, br, p, addr, nlh_flags, 0); if (err || !vg || !vg->num_vlans) goto out; @@ -914,11 +920,7 @@ int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], list_for_each_entry(v, &vg->vlan_list, vlist) { if (!br_vlan_should_use(v)) continue; - if (dev->priv_flags & IFF_EBRIDGE) - err = br_fdb_insert(br, NULL, addr, v->vid); - else - err = __br_fdb_add(ndm, p, addr, nlh_flags, - v->vid); + err = __br_fdb_add(ndm, br, p, addr, nlh_flags, v->vid); if (err) goto out; } diff --git a/net/core/dev.c b/net/core/dev.c index 4ce07dc25573..dd6ce598de89 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6045,8 +6045,7 @@ void *netdev_lower_dev_get_private(struct net_device *dev, EXPORT_SYMBOL(netdev_lower_dev_get_private); -int dev_get_nest_level(struct net_device *dev, - bool (*type_check)(const struct net_device *dev)) +int dev_get_nest_level(struct net_device *dev) { struct net_device *lower = NULL; struct list_head *iter; @@ -6056,15 +6055,12 @@ int dev_get_nest_level(struct net_device *dev, ASSERT_RTNL(); netdev_for_each_lower_dev(dev, lower, iter) { - nest = dev_get_nest_level(lower, type_check); + nest = dev_get_nest_level(lower); if (max_nest < nest) max_nest = nest; } - if (type_check(dev)) - max_nest++; - - return max_nest; + return max_nest + 1; } EXPORT_SYMBOL(dev_get_nest_level); diff --git a/net/core/filter.c b/net/core/filter.c index 5708999f8a79..cb06aceb512a 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1355,56 +1355,47 @@ static inline int bpf_try_make_writable(struct sk_buff *skb, { int err; - if (!skb_cloned(skb)) - return 0; - if (skb_clone_writable(skb, write_len)) - return 0; - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (!err) - bpf_compute_data_end(skb); + err = skb_ensure_writable(skb, write_len); + bpf_compute_data_end(skb); + return err; } +static inline void bpf_push_mac_rcsum(struct sk_buff *skb) +{ + if (skb_at_tc_ingress(skb)) + skb_postpush_rcsum(skb, skb_mac_header(skb), skb->mac_len); +} + +static inline void bpf_pull_mac_rcsum(struct sk_buff *skb) +{ + if (skb_at_tc_ingress(skb)) + skb_postpull_rcsum(skb, skb_mac_header(skb), skb->mac_len); +} + static u64 bpf_skb_store_bytes(u64 r1, u64 r2, u64 r3, u64 r4, u64 flags) { - struct bpf_scratchpad *sp = this_cpu_ptr(&bpf_sp); struct sk_buff *skb = (struct sk_buff *) (long) r1; - int offset = (int) r2; + unsigned int offset = (unsigned int) r2; void *from = (void *) (long) r3; unsigned int len = (unsigned int) r4; void *ptr; if (unlikely(flags & ~(BPF_F_RECOMPUTE_CSUM | BPF_F_INVALIDATE_HASH))) return -EINVAL; - - /* bpf verifier guarantees that: - * 'from' pointer points to bpf program stack - * 'len' bytes of it were initialized - * 'len' > 0 - * 'skb' is a valid pointer to 'struct sk_buff' - * - * so check for invalid 'offset' and too large 'len' - */ - if (unlikely((u32) offset > 0xffff || len > sizeof(sp->buff))) + if (unlikely(offset > 0xffff)) return -EFAULT; if (unlikely(bpf_try_make_writable(skb, offset + len))) return -EFAULT; - ptr = skb_header_pointer(skb, offset, len, sp->buff); - if (unlikely(!ptr)) - return -EFAULT; - + ptr = skb->data + offset; if (flags & BPF_F_RECOMPUTE_CSUM) - skb_postpull_rcsum(skb, ptr, len); + __skb_postpull_rcsum(skb, ptr, len, offset); memcpy(ptr, from, len); - if (ptr == sp->buff) - /* skb_store_bits cannot return -EFAULT here */ - skb_store_bits(skb, offset, ptr, len); - if (flags & BPF_F_RECOMPUTE_CSUM) - skb_postpush_rcsum(skb, ptr, len); + __skb_postpush_rcsum(skb, ptr, len, offset); if (flags & BPF_F_INVALIDATE_HASH) skb_clear_hash(skb); @@ -1425,12 +1416,12 @@ static const struct bpf_func_proto bpf_skb_store_bytes_proto = { static u64 bpf_skb_load_bytes(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5) { const struct sk_buff *skb = (const struct sk_buff *)(unsigned long) r1; - int offset = (int) r2; + unsigned int offset = (unsigned int) r2; void *to = (void *)(unsigned long) r3; unsigned int len = (unsigned int) r4; void *ptr; - if (unlikely((u32) offset > 0xffff)) + if (unlikely(offset > 0xffff)) goto err_clear; ptr = skb_header_pointer(skb, offset, len, to); @@ -1458,20 +1449,17 @@ static const struct bpf_func_proto bpf_skb_load_bytes_proto = { static u64 bpf_l3_csum_replace(u64 r1, u64 r2, u64 from, u64 to, u64 flags) { struct sk_buff *skb = (struct sk_buff *) (long) r1; - int offset = (int) r2; - __sum16 sum, *ptr; + unsigned int offset = (unsigned int) r2; + __sum16 *ptr; if (unlikely(flags & ~(BPF_F_HDR_FIELD_MASK))) return -EINVAL; - if (unlikely((u32) offset > 0xffff)) + if (unlikely(offset > 0xffff || offset & 1)) return -EFAULT; - if (unlikely(bpf_try_make_writable(skb, offset + sizeof(sum)))) - return -EFAULT; - - ptr = skb_header_pointer(skb, offset, sizeof(sum), &sum); - if (unlikely(!ptr)) + if (unlikely(bpf_try_make_writable(skb, offset + sizeof(*ptr)))) return -EFAULT; + ptr = (__sum16 *)(skb->data + offset); switch (flags & BPF_F_HDR_FIELD_MASK) { case 0: if (unlikely(from != 0)) @@ -1489,10 +1477,6 @@ static u64 bpf_l3_csum_replace(u64 r1, u64 r2, u64 from, u64 to, u64 flags) return -EINVAL; } - if (ptr == &sum) - /* skb_store_bits guaranteed to not return -EFAULT here */ - skb_store_bits(skb, offset, ptr, sizeof(sum)); - return 0; } @@ -1512,20 +1496,18 @@ static u64 bpf_l4_csum_replace(u64 r1, u64 r2, u64 from, u64 to, u64 flags) struct sk_buff *skb = (struct sk_buff *) (long) r1; bool is_pseudo = flags & BPF_F_PSEUDO_HDR; bool is_mmzero = flags & BPF_F_MARK_MANGLED_0; - int offset = (int) r2; - __sum16 sum, *ptr; + unsigned int offset = (unsigned int) r2; + __sum16 *ptr; if (unlikely(flags & ~(BPF_F_MARK_MANGLED_0 | BPF_F_PSEUDO_HDR | BPF_F_HDR_FIELD_MASK))) return -EINVAL; - if (unlikely((u32) offset > 0xffff)) + if (unlikely(offset > 0xffff || offset & 1)) return -EFAULT; - if (unlikely(bpf_try_make_writable(skb, offset + sizeof(sum)))) + if (unlikely(bpf_try_make_writable(skb, offset + sizeof(*ptr)))) return -EFAULT; - ptr = skb_header_pointer(skb, offset, sizeof(sum), &sum); - if (unlikely(!ptr)) - return -EFAULT; + ptr = (__sum16 *)(skb->data + offset); if (is_mmzero && !*ptr) return 0; @@ -1548,10 +1530,6 @@ static u64 bpf_l4_csum_replace(u64 r1, u64 r2, u64 from, u64 to, u64 flags) if (is_mmzero && !*ptr) *ptr = CSUM_MANGLED_0; - if (ptr == &sum) - /* skb_store_bits guaranteed to not return -EFAULT here */ - skb_store_bits(skb, offset, ptr, sizeof(sum)); - return 0; } @@ -1607,9 +1585,6 @@ static const struct bpf_func_proto bpf_csum_diff_proto = { static inline int __bpf_rx_skb(struct net_device *dev, struct sk_buff *skb) { - if (skb_at_tc_ingress(skb)) - skb_postpush_rcsum(skb, skb_mac_header(skb), skb->mac_len); - return dev_forward_skb(dev, skb); } @@ -1648,6 +1623,8 @@ static u64 bpf_clone_redirect(u64 r1, u64 ifindex, u64 flags, u64 r4, u64 r5) if (unlikely(!skb)) return -ENOMEM; + bpf_push_mac_rcsum(skb); + return flags & BPF_F_INGRESS ? __bpf_rx_skb(dev, skb) : __bpf_tx_skb(dev, skb); } @@ -1693,6 +1670,8 @@ int skb_do_redirect(struct sk_buff *skb) return -EINVAL; } + bpf_push_mac_rcsum(skb); + return ri->flags & BPF_F_INGRESS ? __bpf_rx_skb(dev, skb) : __bpf_tx_skb(dev, skb); } @@ -1756,7 +1735,10 @@ static u64 bpf_skb_vlan_push(u64 r1, u64 r2, u64 vlan_tci, u64 r4, u64 r5) vlan_proto != htons(ETH_P_8021AD))) vlan_proto = htons(ETH_P_8021Q); + bpf_push_mac_rcsum(skb); ret = skb_vlan_push(skb, vlan_proto, vlan_tci); + bpf_pull_mac_rcsum(skb); + bpf_compute_data_end(skb); return ret; } @@ -1776,7 +1758,10 @@ static u64 bpf_skb_vlan_pop(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5) struct sk_buff *skb = (struct sk_buff *) (long) r1; int ret; + bpf_push_mac_rcsum(skb); ret = skb_vlan_pop(skb); + bpf_pull_mac_rcsum(skb); + bpf_compute_data_end(skb); return ret; } @@ -2298,7 +2283,7 @@ bpf_get_skb_set_tunnel_proto(enum bpf_func_id which) } #ifdef CONFIG_SOCK_CGROUP_DATA -static u64 bpf_skb_in_cgroup(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5) +static u64 bpf_skb_under_cgroup(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5) { struct sk_buff *skb = (struct sk_buff *)(long)r1; struct bpf_map *map = (struct bpf_map *)(long)r2; @@ -2321,8 +2306,8 @@ static u64 bpf_skb_in_cgroup(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5) return cgroup_is_descendant(sock_cgroup_ptr(&sk->sk_cgrp_data), cgrp); } -static const struct bpf_func_proto bpf_skb_in_cgroup_proto = { - .func = bpf_skb_in_cgroup, +static const struct bpf_func_proto bpf_skb_under_cgroup_proto = { + .func = bpf_skb_under_cgroup, .gpl_only = false, .ret_type = RET_INTEGER, .arg1_type = ARG_PTR_TO_CTX, @@ -2402,8 +2387,8 @@ tc_cls_act_func_proto(enum bpf_func_id func_id) case BPF_FUNC_get_smp_processor_id: return &bpf_get_smp_processor_id_proto; #ifdef CONFIG_SOCK_CGROUP_DATA - case BPF_FUNC_skb_in_cgroup: - return &bpf_skb_in_cgroup_proto; + case BPF_FUNC_skb_under_cgroup: + return &bpf_skb_under_cgroup_proto; #endif default: return sk_filter_func_proto(func_id); diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index d07fc076bea0..febca0f1008c 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -2452,9 +2452,7 @@ struct fib_route_iter { static struct key_vector *fib_route_get_idx(struct fib_route_iter *iter, loff_t pos) { - struct fib_table *tb = iter->main_tb; struct key_vector *l, **tp = &iter->tnode; - struct trie *t; t_key key; /* use cache location of next-to-find key */ @@ -2462,8 +2460,6 @@ static struct key_vector *fib_route_get_idx(struct fib_route_iter *iter, pos -= iter->pos; key = iter->key; } else { - t = (struct trie *)tb->tb_data; - iter->tnode = t->kv; iter->pos = 0; key = 0; } @@ -2504,12 +2500,12 @@ static void *fib_route_seq_start(struct seq_file *seq, loff_t *pos) return NULL; iter->main_tb = tb; + t = (struct trie *)tb->tb_data; + iter->tnode = t->kv; if (*pos != 0) return fib_route_get_idx(iter, *pos); - t = (struct trie *)tb->tb_data; - iter->tnode = t->kv; iter->pos = 0; iter->key = 0; diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 5b1481be0282..113cc43df789 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -370,7 +370,6 @@ static void __gre_xmit(struct sk_buff *skb, struct net_device *dev, tunnel->parms.o_flags, proto, tunnel->parms.o_key, htonl(tunnel->o_seqno)); - skb_set_inner_protocol(skb, proto); ip_tunnel_xmit(skb, dev, tnl_params, tnl_params->protocol); } diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index a917903d5e97..cc701fa70b12 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -557,6 +557,33 @@ static struct rtnl_link_ops vti_link_ops __read_mostly = { .get_link_net = ip_tunnel_get_link_net, }; +static bool is_vti_tunnel(const struct net_device *dev) +{ + return dev->netdev_ops == &vti_netdev_ops; +} + +static int vti_device_event(struct notifier_block *unused, + unsigned long event, void *ptr) +{ + struct net_device *dev = netdev_notifier_info_to_dev(ptr); + struct ip_tunnel *tunnel = netdev_priv(dev); + + if (!is_vti_tunnel(dev)) + return NOTIFY_DONE; + + switch (event) { + case NETDEV_DOWN: + if (!net_eq(tunnel->net, dev_net(dev))) + xfrm_garbage_collect(tunnel->net); + break; + } + return NOTIFY_DONE; +} + +static struct notifier_block vti_notifier_block __read_mostly = { + .notifier_call = vti_device_event, +}; + static int __init vti_init(void) { const char *msg; @@ -564,6 +591,8 @@ static int __init vti_init(void) pr_info("IPv4 over IPsec tunneling driver\n"); + register_netdevice_notifier(&vti_notifier_block); + msg = "tunnel device"; err = register_pernet_device(&vti_net_ops); if (err < 0) @@ -596,6 +625,7 @@ xfrm_proto_ah_failed: xfrm_proto_esp_failed: unregister_pernet_device(&vti_net_ops); pernet_dev_failed: + unregister_netdevice_notifier(&vti_notifier_block); pr_err("vti init: failed to register %s\n", msg); return err; } @@ -607,6 +637,7 @@ static void __exit vti_fini(void) xfrm4_protocol_deregister(&vti_ah4_protocol, IPPROTO_AH); xfrm4_protocol_deregister(&vti_esp4_protocol, IPPROTO_ESP); unregister_pernet_device(&vti_net_ops); + unregister_netdevice_notifier(&vti_notifier_block); } module_init(vti_init); diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index ab3e796596b1..df8425fcbc2c 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3543,7 +3543,7 @@ static int addrconf_ifdown(struct net_device *dev, int how) /* combine the user config with event to determine if permanent * addresses are to be removed from address hash table */ - keep_addr = !(how || _keep_addr <= 0); + keep_addr = !(how || _keep_addr <= 0 || idev->cnf.disable_ipv6); /* Step 2: clear hash table */ for (i = 0; i < IN6_ADDR_HSIZE; i++) { @@ -3599,7 +3599,7 @@ restart: /* re-combine the user config with event to determine if permanent * addresses are to be removed from the interface list */ - keep_addr = (!how && _keep_addr > 0); + keep_addr = (!how && _keep_addr > 0 && !idev->cnf.disable_ipv6); INIT_LIST_HEAD(&del_list); list_for_each_entry_safe(ifa, tmp, &idev->addr_list, if_list) { diff --git a/net/ipv6/calipso.c b/net/ipv6/calipso.c index c53b92c617c5..37ac9de713c6 100644 --- a/net/ipv6/calipso.c +++ b/net/ipv6/calipso.c @@ -952,8 +952,10 @@ calipso_opt_insert(struct ipv6_opt_hdr *hop, memcpy(new, hop, start); ret_val = calipso_genopt((unsigned char *)new, start, buf_len, doi_def, secattr); - if (ret_val < 0) + if (ret_val < 0) { + kfree(new); return ERR_PTR(ret_val); + } buf_len = start + ret_val; /* At this point buf_len aligns to 4n, so (buf_len & 4) pads to 8n */ diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 776d145113e1..704274cbd495 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -519,8 +519,6 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb, gre_build_header(skb, tunnel->tun_hlen, tunnel->parms.o_flags, protocol, tunnel->parms.o_key, htonl(tunnel->o_seqno)); - skb_set_inner_protocol(skb, protocol); - return ip6_tnl_xmit(skb, dev, dsfield, fl6, encap_limit, pmtu, NEXTHDR_GRE); } diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c index fed40d1ec29b..0900352c924c 100644 --- a/net/ipv6/ping.c +++ b/net/ipv6/ping.c @@ -55,7 +55,7 @@ static int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) struct icmp6hdr user_icmph; int addr_type; struct in6_addr *daddr; - int iif = 0; + int oif = 0; struct flowi6 fl6; int err; struct dst_entry *dst; @@ -78,25 +78,30 @@ static int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) if (u->sin6_family != AF_INET6) { return -EAFNOSUPPORT; } - if (sk->sk_bound_dev_if && - sk->sk_bound_dev_if != u->sin6_scope_id) { - return -EINVAL; - } daddr = &(u->sin6_addr); - iif = u->sin6_scope_id; + if (__ipv6_addr_needs_scope_id(ipv6_addr_type(daddr))) + oif = u->sin6_scope_id; } else { if (sk->sk_state != TCP_ESTABLISHED) return -EDESTADDRREQ; daddr = &sk->sk_v6_daddr; } - if (!iif) - iif = sk->sk_bound_dev_if; + if (!oif) + oif = sk->sk_bound_dev_if; + + if (!oif) + oif = np->sticky_pktinfo.ipi6_ifindex; + + if (!oif && ipv6_addr_is_multicast(daddr)) + oif = np->mcast_oif; + else if (!oif) + oif = np->ucast_oif; addr_type = ipv6_addr_type(daddr); - if (__ipv6_addr_needs_scope_id(addr_type) && !iif) - return -EINVAL; - if (addr_type & IPV6_ADDR_MAPPED) + if ((__ipv6_addr_needs_scope_id(addr_type) && !oif) || + (addr_type & IPV6_ADDR_MAPPED) || + (oif && sk->sk_bound_dev_if && oif != sk->sk_bound_dev_if)) return -EINVAL; /* TODO: use ip6_datagram_send_ctl to get options from cmsg */ @@ -106,16 +111,12 @@ static int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) fl6.flowi6_proto = IPPROTO_ICMPV6; fl6.saddr = np->saddr; fl6.daddr = *daddr; + fl6.flowi6_oif = oif; fl6.flowi6_mark = sk->sk_mark; fl6.fl6_icmp_type = user_icmph.icmp6_type; fl6.fl6_icmp_code = user_icmph.icmp6_code; security_sk_classify_flow(sk, flowi6_to_flowi(&fl6)); - if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr)) - fl6.flowi6_oif = np->mcast_oif; - else if (!fl6.flowi6_oif) - fl6.flowi6_oif = np->ucast_oif; - ipc6.tclass = np->tclass; fl6.flowlabel = ip6_make_flowinfo(ipc6.tclass, fl6.flowlabel); diff --git a/net/irda/iriap.c b/net/irda/iriap.c index 4a7ae32afa09..1138eaf5c682 100644 --- a/net/irda/iriap.c +++ b/net/irda/iriap.c @@ -185,8 +185,12 @@ struct iriap_cb *iriap_open(__u8 slsap_sel, int mode, void *priv, self->magic = IAS_MAGIC; self->mode = mode; - if (mode == IAS_CLIENT) - iriap_register_lsap(self, slsap_sel, mode); + if (mode == IAS_CLIENT) { + if (iriap_register_lsap(self, slsap_sel, mode)) { + kfree(self); + return NULL; + } + } self->confirm = callback; self->priv = priv; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 47e99ab8d97a..543b1d4fc33d 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -869,7 +869,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) /* free all potentially still buffered bcast frames */ local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); - skb_queue_purge(&sdata->u.ap.ps.bc_buf); + ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); mutex_lock(&local->mtx); ieee80211_vif_copy_chanctx_to_vlans(sdata, true); diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 184473c257eb..ba5fc1f01e53 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -1094,7 +1094,7 @@ static inline u32 drv_get_expected_throughput(struct ieee80211_local *local, trace_drv_get_expected_throughput(sta); if (local->ops->get_expected_throughput) - ret = local->ops->get_expected_throughput(sta); + ret = local->ops->get_expected_throughput(&local->hw, sta); trace_drv_return_u32(local, ret); return ret; diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index c66411df9863..42120d965263 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -881,20 +881,22 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata) netif_carrier_off(sdata->dev); + /* flush STAs and mpaths on this iface */ + sta_info_flush(sdata); + mesh_path_flush_by_iface(sdata); + /* stop the beacon */ ifmsh->mesh_id_len = 0; sdata->vif.bss_conf.enable_beacon = false; clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); + + /* remove beacon */ bcn = rcu_dereference_protected(ifmsh->beacon, lockdep_is_held(&sdata->wdev.mtx)); RCU_INIT_POINTER(ifmsh->beacon, NULL); kfree_rcu(bcn, rcu_head); - /* flush STAs and mpaths on this iface */ - sta_info_flush(sdata); - mesh_path_flush_by_iface(sdata); - /* free all potentially still buffered group-addressed frames */ local->total_ps_buffered -= skb_queue_len(&ifmsh->ps.bc_buf); skb_queue_purge(&ifmsh->ps.bc_buf); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 2e8a9024625a..9dce3b157908 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1268,7 +1268,7 @@ static void sta_ps_start(struct sta_info *sta) for (tid = 0; tid < ARRAY_SIZE(sta->sta.txq); tid++) { struct txq_info *txqi = to_txq_info(sta->sta.txq[tid]); - if (!txqi->tin.backlog_packets) + if (txqi->tin.backlog_packets) set_bit(tid, &sta->txq_buffered_tids); else clear_bit(tid, &sta->txq_buffered_tids); diff --git a/net/mac80211/status.c b/net/mac80211/status.c index c6d5c724e032..a2a68269675d 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -771,6 +771,13 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) clear_sta_flag(sta, WLAN_STA_SP); acked = !!(info->flags & IEEE80211_TX_STAT_ACK); + + /* mesh Peer Service Period support */ + if (ieee80211_vif_is_mesh(&sta->sdata->vif) && + ieee80211_is_data_qos(fc)) + ieee80211_mpsp_trigger_process( + ieee80211_get_qos_ctl(hdr), sta, true, acked); + if (!acked && test_sta_flag(sta, WLAN_STA_PS_STA)) { /* * The STA is in power save mode, so assume @@ -781,13 +788,6 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) return; } - /* mesh Peer Service Period support */ - if (ieee80211_vif_is_mesh(&sta->sdata->vif) && - ieee80211_is_data_qos(fc)) - ieee80211_mpsp_trigger_process( - ieee80211_get_qos_ctl(hdr), - sta, true, acked); - if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL) && (ieee80211_is_data(hdr->frame_control)) && (rates_idx != -1)) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 91461c415525..502396694f47 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -368,7 +368,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) skb = skb_dequeue(&ps->bc_buf); if (skb) { purged++; - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); } total += skb_queue_len(&ps->bc_buf); } @@ -451,7 +451,7 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx) if (skb_queue_len(&ps->bc_buf) >= AP_MAX_BC_BUFFER) { ps_dbg(tx->sdata, "BC TX buffer full - dropping the oldest frame\n"); - dev_kfree_skb(skb_dequeue(&ps->bc_buf)); + ieee80211_free_txskb(&tx->local->hw, skb_dequeue(&ps->bc_buf)); } else tx->local->total_ps_buffered++; @@ -4275,7 +4275,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, sdata = IEEE80211_DEV_TO_SUB_IF(skb->dev); if (!ieee80211_tx_prepare(sdata, &tx, NULL, skb)) break; - dev_kfree_skb_any(skb); + ieee80211_free_txskb(hw, skb); } info = IEEE80211_SKB_CB(skb); diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index 9e3693128313..f8dbacf66795 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -574,7 +574,7 @@ static int exp_seq_show(struct seq_file *s, void *v) helper = rcu_dereference(nfct_help(expect->master)->helper); if (helper) { seq_printf(s, "%s%s", expect->flags ? " " : "", helper->name); - if (helper->expect_policy[expect->class].name) + if (helper->expect_policy[expect->class].name[0]) seq_printf(s, "/%s", helper->expect_policy[expect->class].name); } diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c index bb77a97961bf..5c0db5c64734 100644 --- a/net/netfilter/nf_conntrack_h323_main.c +++ b/net/netfilter/nf_conntrack_h323_main.c @@ -1473,7 +1473,8 @@ static int process_rcf(struct sk_buff *skb, struct nf_conn *ct, "timeout to %u seconds for", info->timeout); nf_ct_dump_tuple(&exp->tuple); - mod_timer(&exp->timeout, jiffies + info->timeout * HZ); + mod_timer_pending(&exp->timeout, + jiffies + info->timeout * HZ); } spin_unlock_bh(&nf_conntrack_expect_lock); } diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 050bb3420a6b..fdfc71f416b7 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -1894,6 +1894,8 @@ static int ctnetlink_new_conntrack(struct net *net, struct sock *ctnl, if (!cda[CTA_TUPLE_ORIG] || !cda[CTA_TUPLE_REPLY]) return -EINVAL; + if (otuple.dst.protonum != rtuple.dst.protonum) + return -EINVAL; ct = ctnetlink_create_conntrack(net, &zone, cda, &otuple, &rtuple, u3); @@ -2362,12 +2364,8 @@ ctnetlink_glue_attach_expect(const struct nlattr *attr, struct nf_conn *ct, return PTR_ERR(exp); err = nf_ct_expect_related_report(exp, portid, report); - if (err < 0) { - nf_ct_expect_put(exp); - return err; - } - - return 0; + nf_ct_expect_put(exp); + return err; } static void ctnetlink_glue_seqadj(struct sk_buff *skb, struct nf_conn *ct, diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c index 8d9db9d4702b..7d77217de6a3 100644 --- a/net/netfilter/nf_conntrack_sip.c +++ b/net/netfilter/nf_conntrack_sip.c @@ -1383,7 +1383,7 @@ static int process_sip_response(struct sk_buff *skb, unsigned int protoff, return NF_DROP; } cseq = simple_strtoul(*dptr + matchoff, NULL, 10); - if (!cseq) { + if (!cseq && *(*dptr + matchoff) != '0') { nf_ct_helper_log(skb, ct, "cannot get cseq"); return NF_DROP; } @@ -1446,7 +1446,7 @@ static int process_sip_request(struct sk_buff *skb, unsigned int protoff, return NF_DROP; } cseq = simple_strtoul(*dptr + matchoff, NULL, 10); - if (!cseq) { + if (!cseq && *(*dptr + matchoff) != '0') { nf_ct_helper_log(skb, ct, "cannot get cseq"); return NF_DROP; } diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 5d36a0926b4a..f49f45081acb 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -1145,10 +1145,8 @@ static int nfqnl_recv_verdict(struct net *net, struct sock *ctnl, struct nfnl_queue_net *q = nfnl_queue_pernet(net); int err; - queue = instance_lookup(q, queue_num); - if (!queue) - queue = verdict_instance_lookup(q, queue_num, - NETLINK_CB(skb).portid); + queue = verdict_instance_lookup(q, queue_num, + NETLINK_CB(skb).portid); if (IS_ERR(queue)) return PTR_ERR(queue); diff --git a/net/netfilter/nft_exthdr.c b/net/netfilter/nft_exthdr.c index ba7aed13e174..82c264e40278 100644 --- a/net/netfilter/nft_exthdr.c +++ b/net/netfilter/nft_exthdr.c @@ -59,6 +59,7 @@ static int nft_exthdr_init(const struct nft_ctx *ctx, const struct nlattr * const tb[]) { struct nft_exthdr *priv = nft_expr_priv(expr); + u32 offset, len; if (tb[NFTA_EXTHDR_DREG] == NULL || tb[NFTA_EXTHDR_TYPE] == NULL || @@ -66,9 +67,15 @@ static int nft_exthdr_init(const struct nft_ctx *ctx, tb[NFTA_EXTHDR_LEN] == NULL) return -EINVAL; + offset = ntohl(nla_get_be32(tb[NFTA_EXTHDR_OFFSET])); + len = ntohl(nla_get_be32(tb[NFTA_EXTHDR_LEN])); + + if (offset > U8_MAX || len > U8_MAX) + return -ERANGE; + priv->type = nla_get_u8(tb[NFTA_EXTHDR_TYPE]); - priv->offset = ntohl(nla_get_be32(tb[NFTA_EXTHDR_OFFSET])); - priv->len = ntohl(nla_get_be32(tb[NFTA_EXTHDR_LEN])); + priv->offset = offset; + priv->len = len; priv->dreg = nft_parse_register(tb[NFTA_EXTHDR_DREG]); return nft_validate_register_store(ctx, priv->dreg, NULL, diff --git a/net/netfilter/nft_rbtree.c b/net/netfilter/nft_rbtree.c index 6473936d05c6..ffe9ae062d23 100644 --- a/net/netfilter/nft_rbtree.c +++ b/net/netfilter/nft_rbtree.c @@ -70,7 +70,6 @@ static bool nft_rbtree_lookup(const struct net *net, const struct nft_set *set, } else if (d > 0) parent = parent->rb_right; else { -found: if (!nft_set_elem_active(&rbe->ext, genmask)) { parent = parent->rb_left; continue; @@ -84,9 +83,12 @@ found: } } - if (set->flags & NFT_SET_INTERVAL && interval != NULL) { - rbe = interval; - goto found; + if (set->flags & NFT_SET_INTERVAL && interval != NULL && + nft_set_elem_active(&interval->ext, genmask) && + !nft_rbtree_interval_end(interval)) { + spin_unlock_bh(&nft_rbtree_lock); + *ext = &interval->ext; + return true; } out: spin_unlock_bh(&nft_rbtree_lock); diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c index c644c78ed485..e054a748ff25 100644 --- a/net/openvswitch/conntrack.c +++ b/net/openvswitch/conntrack.c @@ -433,7 +433,6 @@ ovs_ct_find_existing(struct net *net, const struct nf_conntrack_zone *zone, struct nf_conntrack_l4proto *l4proto; struct nf_conntrack_tuple tuple; struct nf_conntrack_tuple_hash *h; - enum ip_conntrack_info ctinfo; struct nf_conn *ct; unsigned int dataoff; u8 protonum; @@ -458,13 +457,8 @@ ovs_ct_find_existing(struct net *net, const struct nf_conntrack_zone *zone, ct = nf_ct_tuplehash_to_ctrack(h); - ctinfo = ovs_ct_get_info(h); - if (ctinfo == IP_CT_NEW) { - /* This should not happen. */ - WARN_ONCE(1, "ovs_ct_find_existing: new packet for %p\n", ct); - } skb->nfct = &ct->ct_general; - skb->nfctinfo = ctinfo; + skb->nfctinfo = ovs_ct_get_info(h); return ct; } diff --git a/net/openvswitch/vport-geneve.c b/net/openvswitch/vport-geneve.c index 1a1fcec88695..5aaf3babfc3f 100644 --- a/net/openvswitch/vport-geneve.c +++ b/net/openvswitch/vport-geneve.c @@ -93,7 +93,14 @@ static struct vport *geneve_tnl_create(const struct vport_parms *parms) return ERR_CAST(dev); } - dev_change_flags(dev, dev->flags | IFF_UP); + err = dev_change_flags(dev, dev->flags | IFF_UP); + if (err < 0) { + rtnl_delete_link(dev); + rtnl_unlock(); + ovs_vport_free(vport); + goto error; + } + rtnl_unlock(); return vport; error: diff --git a/net/openvswitch/vport-gre.c b/net/openvswitch/vport-gre.c index 7f8897f33a67..0e72d95b0e8f 100644 --- a/net/openvswitch/vport-gre.c +++ b/net/openvswitch/vport-gre.c @@ -54,6 +54,7 @@ static struct vport *gre_tnl_create(const struct vport_parms *parms) struct net *net = ovs_dp_get_net(parms->dp); struct net_device *dev; struct vport *vport; + int err; vport = ovs_vport_alloc(0, &ovs_gre_vport_ops, parms); if (IS_ERR(vport)) @@ -67,9 +68,15 @@ static struct vport *gre_tnl_create(const struct vport_parms *parms) return ERR_CAST(dev); } - dev_change_flags(dev, dev->flags | IFF_UP); - rtnl_unlock(); + err = dev_change_flags(dev, dev->flags | IFF_UP); + if (err < 0) { + rtnl_delete_link(dev); + rtnl_unlock(); + ovs_vport_free(vport); + return ERR_PTR(err); + } + rtnl_unlock(); return vport; } diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c index 434e04c3a189..95c36147a6e1 100644 --- a/net/openvswitch/vport-internal_dev.c +++ b/net/openvswitch/vport-internal_dev.c @@ -140,7 +140,7 @@ internal_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) static void internal_set_rx_headroom(struct net_device *dev, int new_hr) { - dev->needed_headroom = new_hr; + dev->needed_headroom = new_hr < 0 ? 0 : new_hr; } static const struct net_device_ops internal_dev_netdev_ops = { diff --git a/net/openvswitch/vport-vxlan.c b/net/openvswitch/vport-vxlan.c index 5eb7694348b5..7eb955e453e6 100644 --- a/net/openvswitch/vport-vxlan.c +++ b/net/openvswitch/vport-vxlan.c @@ -130,7 +130,14 @@ static struct vport *vxlan_tnl_create(const struct vport_parms *parms) return ERR_CAST(dev); } - dev_change_flags(dev, dev->flags | IFF_UP); + err = dev_change_flags(dev, dev->flags | IFF_UP); + if (err < 0) { + rtnl_delete_link(dev); + rtnl_unlock(); + ovs_vport_free(vport); + goto error; + } + rtnl_unlock(); return vport; error: diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 1bb9e7ac9e14..ff83fb1ddd47 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -425,6 +425,7 @@ struct rxrpc_call { spinlock_t lock; rwlock_t state_lock; /* lock for state transition */ atomic_t usage; + atomic_t skb_count; /* Outstanding packets on this call */ atomic_t sequence; /* Tx data packet sequence counter */ u32 local_abort; /* local abort code */ u32 remote_abort; /* remote abort code */ diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c index 0b2832141bd0..9bae21e66d65 100644 --- a/net/rxrpc/call_accept.c +++ b/net/rxrpc/call_accept.c @@ -130,6 +130,7 @@ static int rxrpc_accept_incoming_call(struct rxrpc_local *local, call->state = RXRPC_CALL_SERVER_ACCEPTING; list_add_tail(&call->accept_link, &rx->acceptq); rxrpc_get_call(call); + atomic_inc(&call->skb_count); nsp = rxrpc_skb(notification); nsp->call = call; diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c index fc32aa5764a2..e60cf65c2232 100644 --- a/net/rxrpc/call_event.c +++ b/net/rxrpc/call_event.c @@ -460,6 +460,7 @@ static void rxrpc_insert_oos_packet(struct rxrpc_call *call, ASSERTCMP(sp->call, ==, NULL); sp->call = call; rxrpc_get_call(call); + atomic_inc(&call->skb_count); /* insert into the buffer in sequence order */ spin_lock_bh(&call->lock); @@ -734,6 +735,7 @@ all_acked: skb->mark = RXRPC_SKB_MARK_FINAL_ACK; sp->call = call; rxrpc_get_call(call); + atomic_inc(&call->skb_count); spin_lock_bh(&call->lock); if (rxrpc_queue_rcv_skb(call, skb, true, true) < 0) BUG(); @@ -793,6 +795,7 @@ static int rxrpc_post_message(struct rxrpc_call *call, u32 mark, u32 error, sp->error = error; sp->call = call; rxrpc_get_call(call); + atomic_inc(&call->skb_count); spin_lock_bh(&call->lock); ret = rxrpc_queue_rcv_skb(call, skb, true, fatal); @@ -834,6 +837,9 @@ void rxrpc_process_call(struct work_struct *work) return; } + if (!call->conn) + goto skip_msg_init; + /* there's a good chance we're going to have to send a message, so set * one up in advance */ msg.msg_name = &call->conn->params.peer->srx.transport; @@ -856,6 +862,7 @@ void rxrpc_process_call(struct work_struct *work) memset(iov, 0, sizeof(iov)); iov[0].iov_base = &whdr; iov[0].iov_len = sizeof(whdr); +skip_msg_init: /* deal with events of a final nature */ if (test_bit(RXRPC_CALL_EV_RCVD_ERROR, &call->events)) { diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c index 91287c9d01bb..ae057e0740f3 100644 --- a/net/rxrpc/call_object.c +++ b/net/rxrpc/call_object.c @@ -275,6 +275,7 @@ error: list_del_init(&call->link); write_unlock_bh(&rxrpc_call_lock); + set_bit(RXRPC_CALL_RELEASED, &call->flags); call->state = RXRPC_CALL_DEAD; rxrpc_put_call(call); _leave(" = %d", ret); @@ -287,6 +288,7 @@ error: */ found_user_ID_now_present: write_unlock(&rx->call_lock); + set_bit(RXRPC_CALL_RELEASED, &call->flags); call->state = RXRPC_CALL_DEAD; rxrpc_put_call(call); _leave(" = -EEXIST [%p]", call); @@ -491,15 +493,9 @@ void rxrpc_release_call(struct rxrpc_call *call) spin_lock_bh(&call->lock); while ((skb = skb_dequeue(&call->rx_queue)) || (skb = skb_dequeue(&call->rx_oos_queue))) { - sp = rxrpc_skb(skb); - if (sp->call) { - ASSERTCMP(sp->call, ==, call); - rxrpc_put_call(call); - sp->call = NULL; - } - skb->destructor = NULL; spin_unlock_bh(&call->lock); + sp = rxrpc_skb(skb); _debug("- zap %s %%%u #%u", rxrpc_pkts[sp->hdr.type], sp->hdr.serial, sp->hdr.seq); @@ -605,6 +601,7 @@ void __rxrpc_put_call(struct rxrpc_call *call) if (atomic_dec_and_test(&call->usage)) { _debug("call %d dead", call->debug_id); + WARN_ON(atomic_read(&call->skb_count) != 0); ASSERTCMP(call->state, ==, RXRPC_CALL_DEAD); rxrpc_queue_work(&call->destroyer); } diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c index 991a20d25093..70bb77818dea 100644 --- a/net/rxrpc/input.c +++ b/net/rxrpc/input.c @@ -55,9 +55,6 @@ int rxrpc_queue_rcv_skb(struct rxrpc_call *call, struct sk_buff *skb, if (test_bit(RXRPC_CALL_TERMINAL_MSG, &call->flags)) { _debug("already terminated"); ASSERTCMP(call->state, >=, RXRPC_CALL_COMPLETE); - skb->destructor = NULL; - sp->call = NULL; - rxrpc_put_call(call); rxrpc_free_skb(skb); return 0; } @@ -111,13 +108,7 @@ int rxrpc_queue_rcv_skb(struct rxrpc_call *call, struct sk_buff *skb, ret = 0; out: - /* release the socket buffer */ - if (skb) { - skb->destructor = NULL; - sp->call = NULL; - rxrpc_put_call(call); - rxrpc_free_skb(skb); - } + rxrpc_free_skb(skb); _leave(" = %d", ret); return ret; @@ -133,11 +124,15 @@ static int rxrpc_fast_process_data(struct rxrpc_call *call, struct rxrpc_skb_priv *sp; bool terminal; int ret, ackbit, ack; + u32 serial; + u8 flags; _enter("{%u,%u},,{%u}", call->rx_data_post, call->rx_first_oos, seq); sp = rxrpc_skb(skb); ASSERTCMP(sp->call, ==, NULL); + flags = sp->hdr.flags; + serial = sp->hdr.serial; spin_lock(&call->lock); @@ -200,8 +195,9 @@ static int rxrpc_fast_process_data(struct rxrpc_call *call, sp->call = call; rxrpc_get_call(call); - terminal = ((sp->hdr.flags & RXRPC_LAST_PACKET) && - !(sp->hdr.flags & RXRPC_CLIENT_INITIATED)); + atomic_inc(&call->skb_count); + terminal = ((flags & RXRPC_LAST_PACKET) && + !(flags & RXRPC_CLIENT_INITIATED)); ret = rxrpc_queue_rcv_skb(call, skb, false, terminal); if (ret < 0) { if (ret == -ENOMEM || ret == -ENOBUFS) { @@ -213,12 +209,13 @@ static int rxrpc_fast_process_data(struct rxrpc_call *call, } skb = NULL; + sp = NULL; _debug("post #%u", seq); ASSERTCMP(call->rx_data_post, ==, seq); call->rx_data_post++; - if (sp->hdr.flags & RXRPC_LAST_PACKET) + if (flags & RXRPC_LAST_PACKET) set_bit(RXRPC_CALL_RCVD_LAST, &call->flags); /* if we've reached an out of sequence packet then we need to drain @@ -234,7 +231,7 @@ static int rxrpc_fast_process_data(struct rxrpc_call *call, spin_unlock(&call->lock); atomic_inc(&call->ackr_not_idle); - rxrpc_propose_ACK(call, RXRPC_ACK_DELAY, sp->hdr.serial, false); + rxrpc_propose_ACK(call, RXRPC_ACK_DELAY, serial, false); _leave(" = 0 [posted]"); return 0; @@ -247,7 +244,7 @@ out: discard_and_ack: _debug("discard and ACK packet %p", skb); - __rxrpc_propose_ACK(call, ack, sp->hdr.serial, true); + __rxrpc_propose_ACK(call, ack, serial, true); discard: spin_unlock(&call->lock); rxrpc_free_skb(skb); @@ -255,7 +252,7 @@ discard: return 0; enqueue_and_ack: - __rxrpc_propose_ACK(call, ack, sp->hdr.serial, true); + __rxrpc_propose_ACK(call, ack, serial, true); enqueue_packet: _net("defer skb %p", skb); spin_unlock(&call->lock); @@ -575,13 +572,13 @@ done: * post connection-level events to the connection * - this includes challenges, responses and some aborts */ -static bool rxrpc_post_packet_to_conn(struct rxrpc_connection *conn, +static void rxrpc_post_packet_to_conn(struct rxrpc_connection *conn, struct sk_buff *skb) { _enter("%p,%p", conn, skb); skb_queue_tail(&conn->rx_queue, skb); - return rxrpc_queue_conn(conn); + rxrpc_queue_conn(conn); } /* @@ -702,7 +699,6 @@ void rxrpc_data_ready(struct sock *sk) rcu_read_lock(); -retry_find_conn: conn = rxrpc_find_connection_rcu(local, skb); if (!conn) goto cant_route_call; @@ -710,8 +706,7 @@ retry_find_conn: if (sp->hdr.callNumber == 0) { /* Connection-level packet */ _debug("CONN %p {%d}", conn, conn->debug_id); - if (!rxrpc_post_packet_to_conn(conn, skb)) - goto retry_find_conn; + rxrpc_post_packet_to_conn(conn, skb); } else { /* Call-bound packets are routed by connection channel. */ unsigned int channel = sp->hdr.cid & RXRPC_CHANNELMASK; @@ -749,6 +744,8 @@ cant_route_call: if (sp->hdr.type != RXRPC_PACKET_TYPE_ABORT) { _debug("reject type %d",sp->hdr.type); rxrpc_reject_packet(local, skb); + } else { + rxrpc_free_skb(skb); } _leave(" [no call]"); return; diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c index a3fa2ed85d63..9ed66d533002 100644 --- a/net/rxrpc/recvmsg.c +++ b/net/rxrpc/recvmsg.c @@ -203,6 +203,9 @@ int rxrpc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, } /* we transferred the whole data packet */ + if (!(flags & MSG_PEEK)) + rxrpc_kernel_data_consumed(call, skb); + if (sp->hdr.flags & RXRPC_LAST_PACKET) { _debug("last"); if (rxrpc_conn_is_client(call->conn)) { @@ -360,28 +363,6 @@ wait_error: } /** - * rxrpc_kernel_data_delivered - Record delivery of data message - * @skb: Message holding data - * - * Record the delivery of a data message. This permits RxRPC to keep its - * tracking correct. The socket buffer will be deleted. - */ -void rxrpc_kernel_data_delivered(struct sk_buff *skb) -{ - struct rxrpc_skb_priv *sp = rxrpc_skb(skb); - struct rxrpc_call *call = sp->call; - - ASSERTCMP(sp->hdr.seq, >=, call->rx_data_recv); - ASSERTCMP(sp->hdr.seq, <=, call->rx_data_recv + 1); - call->rx_data_recv = sp->hdr.seq; - - ASSERTCMP(sp->hdr.seq, >, call->rx_data_eaten); - rxrpc_free_skb(skb); -} - -EXPORT_SYMBOL(rxrpc_kernel_data_delivered); - -/** * rxrpc_kernel_is_data_last - Determine if data message is last one * @skb: Message holding data * diff --git a/net/rxrpc/skbuff.c b/net/rxrpc/skbuff.c index eee0cfd9ac8c..06c51d4b622d 100644 --- a/net/rxrpc/skbuff.c +++ b/net/rxrpc/skbuff.c @@ -98,11 +98,39 @@ static void rxrpc_hard_ACK_data(struct rxrpc_call *call, spin_unlock_bh(&call->lock); } +/** + * rxrpc_kernel_data_consumed - Record consumption of data message + * @call: The call to which the message pertains. + * @skb: Message holding data + * + * Record the consumption of a data message and generate an ACK if appropriate. + * The call state is shifted if this was the final packet. The caller must be + * in process context with no spinlocks held. + * + * TODO: Actually generate the ACK here rather than punting this to the + * workqueue. + */ +void rxrpc_kernel_data_consumed(struct rxrpc_call *call, struct sk_buff *skb) +{ + struct rxrpc_skb_priv *sp = rxrpc_skb(skb); + + _enter("%d,%p{%u}", call->debug_id, skb, sp->hdr.seq); + + ASSERTCMP(sp->call, ==, call); + ASSERTCMP(sp->hdr.type, ==, RXRPC_PACKET_TYPE_DATA); + + /* TODO: Fix the sequence number tracking */ + ASSERTCMP(sp->hdr.seq, >=, call->rx_data_recv); + ASSERTCMP(sp->hdr.seq, <=, call->rx_data_recv + 1); + ASSERTCMP(sp->hdr.seq, >, call->rx_data_eaten); + + call->rx_data_recv = sp->hdr.seq; + rxrpc_hard_ACK_data(call, sp); +} +EXPORT_SYMBOL(rxrpc_kernel_data_consumed); + /* - * destroy a packet that has an RxRPC control buffer - * - advance the hard-ACK state of the parent call (done here in case something - * in the kernel bypasses recvmsg() and steals the packet directly off of the - * socket receive queue) + * Destroy a packet that has an RxRPC control buffer */ void rxrpc_packet_destructor(struct sk_buff *skb) { @@ -112,9 +140,8 @@ void rxrpc_packet_destructor(struct sk_buff *skb) _enter("%p{%p}", skb, call); if (call) { - /* send the final ACK on a client call */ - if (sp->hdr.type == RXRPC_PACKET_TYPE_DATA) - rxrpc_hard_ACK_data(call, sp); + if (atomic_dec_return(&call->skb_count) < 0) + BUG(); rxrpc_put_call(call); sp->call = NULL; } diff --git a/net/sched/act_api.c b/net/sched/act_api.c index e4a5f2607ffa..d09d0687594b 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -64,7 +64,6 @@ int __tcf_hash_release(struct tc_action *p, bool bind, bool strict) if (p->tcfa_bindcnt <= 0 && p->tcfa_refcnt <= 0) { if (p->ops->cleanup) p->ops->cleanup(p, bind); - list_del(&p->list); tcf_hash_destroy(p->hinfo, p); ret = ACT_P_DELETED; } @@ -421,18 +420,19 @@ static struct tc_action_ops *tc_lookup_action(struct nlattr *kind) return res; } -int tcf_action_exec(struct sk_buff *skb, const struct list_head *actions, - struct tcf_result *res) +int tcf_action_exec(struct sk_buff *skb, struct tc_action **actions, + int nr_actions, struct tcf_result *res) { - const struct tc_action *a; - int ret = -1; + int ret = -1, i; if (skb->tc_verd & TC_NCLS) { skb->tc_verd = CLR_TC_NCLS(skb->tc_verd); ret = TC_ACT_OK; goto exec_done; } - list_for_each_entry(a, actions, list) { + for (i = 0; i < nr_actions; i++) { + const struct tc_action *a = actions[i]; + repeat: ret = a->ops->act(skb, a, res); if (ret == TC_ACT_REPEAT) @@ -754,16 +754,6 @@ err_out: return ERR_PTR(err); } -static void cleanup_a(struct list_head *actions) -{ - struct tc_action *a, *tmp; - - list_for_each_entry_safe(a, tmp, actions, list) { - list_del(&a->list); - kfree(a); - } -} - static int tca_action_flush(struct net *net, struct nlattr *nla, struct nlmsghdr *n, u32 portid) { @@ -905,7 +895,7 @@ tca_action_gd(struct net *net, struct nlattr *nla, struct nlmsghdr *n, return ret; } err: - cleanup_a(&actions); + tcf_action_destroy(&actions, 0); return ret; } @@ -942,15 +932,9 @@ tcf_action_add(struct net *net, struct nlattr *nla, struct nlmsghdr *n, ret = tcf_action_init(net, nla, NULL, NULL, ovr, 0, &actions); if (ret) - goto done; + return ret; - /* dump then free all the actions after update; inserted policy - * stays intact - */ - ret = tcf_add_notify(net, n, &actions, portid); - cleanup_a(&actions); -done: - return ret; + return tcf_add_notify(net, n, &actions, portid); } static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n) diff --git a/net/sched/act_police.c b/net/sched/act_police.c index b3c7e975fc9e..8a3be1d99775 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -63,49 +63,8 @@ static int tcf_act_police_walker(struct net *net, struct sk_buff *skb, const struct tc_action_ops *ops) { struct tc_action_net *tn = net_generic(net, police_net_id); - struct tcf_hashinfo *hinfo = tn->hinfo; - int err = 0, index = -1, i = 0, s_i = 0, n_i = 0; - struct nlattr *nest; - - spin_lock_bh(&hinfo->lock); - - s_i = cb->args[0]; - - for (i = 0; i < (POL_TAB_MASK + 1); i++) { - struct hlist_head *head; - struct tc_action *p; - - head = &hinfo->htab[tcf_hash(i, POL_TAB_MASK)]; - - hlist_for_each_entry_rcu(p, head, tcfa_head) { - index++; - if (index < s_i) - continue; - nest = nla_nest_start(skb, index); - if (nest == NULL) - goto nla_put_failure; - if (type == RTM_DELACTION) - err = tcf_action_dump_1(skb, p, 0, 1); - else - err = tcf_action_dump_1(skb, p, 0, 0); - if (err < 0) { - index--; - nla_nest_cancel(skb, nest); - goto done; - } - nla_nest_end(skb, nest); - n_i++; - } - } -done: - spin_unlock_bh(&hinfo->lock); - if (n_i) - cb->args[0] += n_i; - return n_i; -nla_put_failure: - nla_nest_cancel(skb, nest); - goto done; + return tcf_generic_walker(tn, skb, cb, type, ops); } static const struct nla_policy police_policy[TCA_POLICE_MAX + 1] = { @@ -125,6 +84,7 @@ static int tcf_act_police_init(struct net *net, struct nlattr *nla, struct tcf_police *police; struct qdisc_rate_table *R_tab = NULL, *P_tab = NULL; struct tc_action_net *tn = net_generic(net, police_net_id); + bool exists = false; int size; if (nla == NULL) @@ -139,24 +99,24 @@ static int tcf_act_police_init(struct net *net, struct nlattr *nla, size = nla_len(tb[TCA_POLICE_TBF]); if (size != sizeof(*parm) && size != sizeof(struct tc_police_compat)) return -EINVAL; + parm = nla_data(tb[TCA_POLICE_TBF]); + exists = tcf_hash_check(tn, parm->index, a, bind); + if (exists && bind) + return 0; - if (parm->index) { - if (tcf_hash_check(tn, parm->index, a, bind)) { - if (ovr) - goto override; - /* not replacing */ - return -EEXIST; - } - } else { + if (!exists) { ret = tcf_hash_create(tn, parm->index, NULL, a, &act_police_ops, bind, false); if (ret) return ret; ret = ACT_P_CREATED; + } else { + tcf_hash_release(*a, bind); + if (!ovr) + return -EEXIST; } -override: police = to_police(*a); if (parm->rate.rate) { err = -ENOMEM; diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 843a716a4303..a7c5645373af 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -541,8 +541,12 @@ out: void tcf_exts_destroy(struct tcf_exts *exts) { #ifdef CONFIG_NET_CLS_ACT - tcf_action_destroy(&exts->actions, TCA_ACT_UNBIND); - INIT_LIST_HEAD(&exts->actions); + LIST_HEAD(actions); + + tcf_exts_to_list(exts, &actions); + tcf_action_destroy(&actions, TCA_ACT_UNBIND); + kfree(exts->actions); + exts->nr_actions = 0; #endif } EXPORT_SYMBOL(tcf_exts_destroy); @@ -554,7 +558,6 @@ int tcf_exts_validate(struct net *net, struct tcf_proto *tp, struct nlattr **tb, { struct tc_action *act; - INIT_LIST_HEAD(&exts->actions); if (exts->police && tb[exts->police]) { act = tcf_action_init_1(net, tb[exts->police], rate_tlv, "police", ovr, @@ -563,14 +566,20 @@ int tcf_exts_validate(struct net *net, struct tcf_proto *tp, struct nlattr **tb, return PTR_ERR(act); act->type = exts->type = TCA_OLD_COMPAT; - list_add(&act->list, &exts->actions); + exts->actions[0] = act; + exts->nr_actions = 1; } else if (exts->action && tb[exts->action]) { - int err; + LIST_HEAD(actions); + int err, i = 0; + err = tcf_action_init(net, tb[exts->action], rate_tlv, NULL, ovr, - TCA_ACT_BIND, &exts->actions); + TCA_ACT_BIND, &actions); if (err) return err; + list_for_each_entry(act, &actions, list) + exts->actions[i++] = act; + exts->nr_actions = i; } } #else @@ -587,37 +596,49 @@ void tcf_exts_change(struct tcf_proto *tp, struct tcf_exts *dst, struct tcf_exts *src) { #ifdef CONFIG_NET_CLS_ACT - LIST_HEAD(tmp); + struct tcf_exts old = *dst; + tcf_tree_lock(tp); - list_splice_init(&dst->actions, &tmp); - list_splice(&src->actions, &dst->actions); + dst->nr_actions = src->nr_actions; + dst->actions = src->actions; dst->type = src->type; tcf_tree_unlock(tp); - tcf_action_destroy(&tmp, TCA_ACT_UNBIND); + + tcf_exts_destroy(&old); #endif } EXPORT_SYMBOL(tcf_exts_change); -#define tcf_exts_first_act(ext) \ - list_first_entry_or_null(&(exts)->actions, \ - struct tc_action, list) +#ifdef CONFIG_NET_CLS_ACT +static struct tc_action *tcf_exts_first_act(struct tcf_exts *exts) +{ + if (exts->nr_actions == 0) + return NULL; + else + return exts->actions[0]; +} +#endif int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts) { #ifdef CONFIG_NET_CLS_ACT struct nlattr *nest; - if (exts->action && !list_empty(&exts->actions)) { + if (exts->action && exts->nr_actions) { /* * again for backward compatible mode - we want * to work with both old and new modes of entering * tc data even if iproute2 was newer - jhs */ if (exts->type != TCA_OLD_COMPAT) { + LIST_HEAD(actions); + nest = nla_nest_start(skb, exts->action); if (nest == NULL) goto nla_put_failure; - if (tcf_action_dump(skb, &exts->actions, 0, 0) < 0) + + tcf_exts_to_list(exts, &actions); + if (tcf_action_dump(skb, &actions, 0, 0) < 0) goto nla_put_failure; nla_nest_end(skb, nest); } else if (exts->police) { diff --git a/net/sctp/proc.c b/net/sctp/proc.c index 4cb5aedfe3ee..ef8ba77a5bea 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -293,6 +293,7 @@ static void *sctp_transport_seq_start(struct seq_file *seq, loff_t *pos) return ERR_PTR(err); } + iter->start_fail = 0; return sctp_transport_get_idx(seq_file_net(seq), &iter->hti, *pos); } diff --git a/net/sctp/sctp_diag.c b/net/sctp/sctp_diag.c index f69edcf219e5..bb691538adc8 100644 --- a/net/sctp/sctp_diag.c +++ b/net/sctp/sctp_diag.c @@ -13,6 +13,7 @@ static void inet_diag_msg_sctpasoc_fill(struct inet_diag_msg *r, { union sctp_addr laddr, paddr; struct dst_entry *dst; + struct timer_list *t3_rtx = &asoc->peer.primary_path->T3_rtx_timer; laddr = list_entry(asoc->base.bind_addr.address_list.next, struct sctp_sockaddr_entry, list)->a; @@ -40,10 +41,15 @@ static void inet_diag_msg_sctpasoc_fill(struct inet_diag_msg *r, } r->idiag_state = asoc->state; - r->idiag_timer = SCTP_EVENT_TIMEOUT_T3_RTX; - r->idiag_retrans = asoc->rtx_data_chunks; - r->idiag_expires = jiffies_to_msecs( - asoc->timeouts[SCTP_EVENT_TIMEOUT_T3_RTX] - jiffies); + if (timer_pending(t3_rtx)) { + r->idiag_timer = SCTP_EVENT_TIMEOUT_T3_RTX; + r->idiag_retrans = asoc->rtx_data_chunks; + r->idiag_expires = jiffies_to_msecs(t3_rtx->expires - jiffies); + } else { + r->idiag_timer = 0; + r->idiag_retrans = 0; + r->idiag_expires = 0; + } } static int inet_diag_msg_sctpladdrs_fill(struct sk_buff *skb, @@ -350,7 +356,7 @@ static int sctp_ep_dump(struct sctp_endpoint *ep, void *p) if (cb->args[4] < cb->args[1]) goto next; - if ((r->idiag_states & ~TCPF_LISTEN) && !list_empty(&ep->asocs)) + if (!(r->idiag_states & TCPF_LISTEN) && !list_empty(&ep->asocs)) goto next; if (r->sdiag_family != AF_UNSPEC && @@ -465,7 +471,7 @@ skip: * 3 : to mark if we have dumped the ep info of the current asoc * 4 : to work as a temporary variable to traversal list */ - if (!(idiag_states & ~TCPF_LISTEN)) + if (!(idiag_states & ~(TCPF_LISTEN | TCPF_CLOSE))) goto done; sctp_for_each_transport(sctp_tsp_dump, net, cb->args[2], &commp); done: diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c index 1bc4f71aaba8..d85b803da11d 100644 --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -702,14 +702,14 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc, */ sctp_ulpevent_init(event, 0, skb->len + sizeof(struct sk_buff)); - sctp_ulpevent_receive_data(event, asoc); - /* And hold the chunk as we need it for getting the IP headers * later in recvmsg */ sctp_chunk_hold(chunk); event->chunk = chunk; + sctp_ulpevent_receive_data(event, asoc); + event->stream = ntohs(chunk->subh.data_hdr->stream); event->ssn = ntohs(chunk->subh.data_hdr->ssn); event->ppid = chunk->subh.data_hdr->ppid; diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c index b62caa1c770c..ed97a5876ebe 100644 --- a/net/tipc/monitor.c +++ b/net/tipc/monitor.c @@ -728,12 +728,13 @@ int tipc_nl_add_monitor_peer(struct net *net, struct tipc_nl_msg *msg, u32 bearer_id, u32 *prev_node) { struct tipc_monitor *mon = tipc_monitor(net, bearer_id); - struct tipc_peer *peer = mon->self; + struct tipc_peer *peer; if (!mon) return -EINVAL; read_lock_bh(&mon->lock); + peer = mon->self; do { if (*prev_node) { if (peer->addr == *prev_node) diff --git a/net/tipc/socket.c b/net/tipc/socket.c index c49b8df438cb..f9f5f3c3dab5 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -2180,7 +2180,8 @@ restart: TIPC_CONN_MSG, SHORT_H_SIZE, 0, dnode, onode, dport, oport, TIPC_CONN_SHUTDOWN); - tipc_node_xmit_skb(net, skb, dnode, tsk->portid); + if (skb) + tipc_node_xmit_skb(net, skb, dnode, tsk->portid); } tsk->connected = 0; sock->state = SS_DISCONNECTING; diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c index 699dfabdbccd..936d7eee62d0 100644 --- a/net/vmw_vsock/virtio_transport.c +++ b/net/vmw_vsock/virtio_transport.c @@ -87,9 +87,6 @@ virtio_transport_send_pkt_work(struct work_struct *work) vq = vsock->vqs[VSOCK_VQ_TX]; - /* Avoid unnecessary interrupts while we're processing the ring */ - virtqueue_disable_cb(vq); - for (;;) { struct virtio_vsock_pkt *pkt; struct scatterlist hdr, buf, *sgs[2]; @@ -99,7 +96,6 @@ virtio_transport_send_pkt_work(struct work_struct *work) spin_lock_bh(&vsock->send_pkt_list_lock); if (list_empty(&vsock->send_pkt_list)) { spin_unlock_bh(&vsock->send_pkt_list_lock); - virtqueue_enable_cb(vq); break; } @@ -118,13 +114,13 @@ virtio_transport_send_pkt_work(struct work_struct *work) } ret = virtqueue_add_sgs(vq, sgs, out_sg, in_sg, pkt, GFP_KERNEL); + /* Usually this means that there is no more space available in + * the vq + */ if (ret < 0) { spin_lock_bh(&vsock->send_pkt_list_lock); list_add(&pkt->list, &vsock->send_pkt_list); spin_unlock_bh(&vsock->send_pkt_list_lock); - - if (!virtqueue_enable_cb(vq) && ret == -ENOSPC) - continue; /* retry now that we have more space */ break; } diff --git a/net/wireless/chan.c b/net/wireless/chan.c index b0e11b6dc994..0f506220a3bd 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -513,6 +513,7 @@ static bool cfg80211_chandef_dfs_available(struct wiphy *wiphy, r = cfg80211_get_chans_dfs_available(wiphy, chandef->center_freq2, width); + break; default: WARN_ON(chandef->center_freq2); break; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 46417f9cce68..f02653a08993 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -5380,6 +5380,7 @@ static int nl80211_parse_mesh_config(struct genl_info *info, { struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; u32 mask = 0; + u16 ht_opmode; #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ do { \ @@ -5471,9 +5472,36 @@ do { \ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, mask, NL80211_MESHCONF_RSSI_THRESHOLD, nl80211_check_s32); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, - mask, NL80211_MESHCONF_HT_OPMODE, - nl80211_check_u16); + /* + * Check HT operation mode based on + * IEEE 802.11 2012 8.4.2.59 HT Operation element. + */ + if (tb[NL80211_MESHCONF_HT_OPMODE]) { + ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]); + + if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION | + IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT | + IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) + return -EINVAL; + + if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) && + (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) + return -EINVAL; + + switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) { + case IEEE80211_HT_OP_MODE_PROTECTION_NONE: + case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: + if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) + return -EINVAL; + break; + case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: + case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: + if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) + return -EINVAL; + break; + } + cfg->ht_opmode = ht_opmode; + } FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, 1, 65535, mask, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, diff --git a/samples/bpf/bpf_helpers.h b/samples/bpf/bpf_helpers.h index 217c8d507f2e..7927a090fa0d 100644 --- a/samples/bpf/bpf_helpers.h +++ b/samples/bpf/bpf_helpers.h @@ -72,8 +72,8 @@ static int (*bpf_l3_csum_replace)(void *ctx, int off, int from, int to, int flag (void *) BPF_FUNC_l3_csum_replace; static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flags) = (void *) BPF_FUNC_l4_csum_replace; -static int (*bpf_skb_in_cgroup)(void *ctx, void *map, int index) = - (void *) BPF_FUNC_skb_in_cgroup; +static int (*bpf_skb_under_cgroup)(void *ctx, void *map, int index) = + (void *) BPF_FUNC_skb_under_cgroup; #if defined(__x86_64__) diff --git a/samples/bpf/test_cgrp2_tc_kern.c b/samples/bpf/test_cgrp2_tc_kern.c index 2732c37c8d5b..10ff73404e3a 100644 --- a/samples/bpf/test_cgrp2_tc_kern.c +++ b/samples/bpf/test_cgrp2_tc_kern.c @@ -57,7 +57,7 @@ int handle_egress(struct __sk_buff *skb) bpf_trace_printk(dont_care_msg, sizeof(dont_care_msg), eth->h_proto, ip6h->nexthdr); return TC_ACT_OK; - } else if (bpf_skb_in_cgroup(skb, &test_cgrp2_array_pin, 0) != 1) { + } else if (bpf_skb_under_cgroup(skb, &test_cgrp2_array_pin, 0) != 1) { bpf_trace_printk(pass_msg, sizeof(pass_msg)); return TC_ACT_OK; } else { diff --git a/samples/bpf/test_maps.c b/samples/bpf/test_maps.c index 47bf0858f9e4..cce2b59751eb 100644 --- a/samples/bpf/test_maps.c +++ b/samples/bpf/test_maps.c @@ -68,7 +68,16 @@ static void test_hashmap_sanity(int i, void *data) assert(bpf_update_elem(map_fd, &key, &value, BPF_NOEXIST) == -1 && errno == E2BIG); + /* update existing element, thought the map is full */ + key = 1; + assert(bpf_update_elem(map_fd, &key, &value, BPF_EXIST) == 0); + key = 2; + assert(bpf_update_elem(map_fd, &key, &value, BPF_ANY) == 0); + key = 1; + assert(bpf_update_elem(map_fd, &key, &value, BPF_ANY) == 0); + /* check that key = 0 doesn't exist */ + key = 0; assert(bpf_delete_elem(map_fd, &key) == -1 && errno == ENOENT); /* iterate over two elements */ @@ -413,10 +422,12 @@ static void do_work(int fn, void *data) for (i = fn; i < MAP_SIZE; i += TASKS) { key = value = i; - if (do_update) + if (do_update) { assert(bpf_update_elem(map_fd, &key, &value, BPF_NOEXIST) == 0); - else + assert(bpf_update_elem(map_fd, &key, &value, BPF_EXIST) == 0); + } else { assert(bpf_delete_elem(map_fd, &key) == 0); + } } } diff --git a/security/Kconfig b/security/Kconfig index df28f2b6f3e1..da10d9b573a4 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -136,6 +136,7 @@ config HAVE_ARCH_HARDENED_USERCOPY config HARDENED_USERCOPY bool "Harden memory copies between kernel and userspace" depends on HAVE_ARCH_HARDENED_USERCOPY + depends on HAVE_HARDENED_USERCOPY_ALLOCATOR select BUG help This option checks for obviously wrong memory regions when diff --git a/tools/arch/arm64/include/uapi/asm/kvm.h b/tools/arch/arm64/include/uapi/asm/kvm.h index f209ea151dca..3051f86a9b5f 100644 --- a/tools/arch/arm64/include/uapi/asm/kvm.h +++ b/tools/arch/arm64/include/uapi/asm/kvm.h @@ -87,9 +87,11 @@ struct kvm_regs { /* Supported VGICv3 address types */ #define KVM_VGIC_V3_ADDR_TYPE_DIST 2 #define KVM_VGIC_V3_ADDR_TYPE_REDIST 3 +#define KVM_VGIC_ITS_ADDR_TYPE 4 #define KVM_VGIC_V3_DIST_SIZE SZ_64K #define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K) +#define KVM_VGIC_V3_ITS_SIZE (2 * SZ_64K) #define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */ #define KVM_ARM_VCPU_EL1_32BIT 1 /* CPU running a 32bit VM */ diff --git a/tools/arch/s390/include/uapi/asm/kvm.h b/tools/arch/s390/include/uapi/asm/kvm.h index 3b8e99ef9d58..a2ffec4139ad 100644 --- a/tools/arch/s390/include/uapi/asm/kvm.h +++ b/tools/arch/s390/include/uapi/asm/kvm.h @@ -93,6 +93,47 @@ struct kvm_s390_vm_cpu_machine { __u64 fac_list[256]; }; +#define KVM_S390_VM_CPU_PROCESSOR_FEAT 2 +#define KVM_S390_VM_CPU_MACHINE_FEAT 3 + +#define KVM_S390_VM_CPU_FEAT_NR_BITS 1024 +#define KVM_S390_VM_CPU_FEAT_ESOP 0 +#define KVM_S390_VM_CPU_FEAT_SIEF2 1 +#define KVM_S390_VM_CPU_FEAT_64BSCAO 2 +#define KVM_S390_VM_CPU_FEAT_SIIF 3 +#define KVM_S390_VM_CPU_FEAT_GPERE 4 +#define KVM_S390_VM_CPU_FEAT_GSLS 5 +#define KVM_S390_VM_CPU_FEAT_IB 6 +#define KVM_S390_VM_CPU_FEAT_CEI 7 +#define KVM_S390_VM_CPU_FEAT_IBS 8 +#define KVM_S390_VM_CPU_FEAT_SKEY 9 +#define KVM_S390_VM_CPU_FEAT_CMMA 10 +#define KVM_S390_VM_CPU_FEAT_PFMFI 11 +#define KVM_S390_VM_CPU_FEAT_SIGPIF 12 +struct kvm_s390_vm_cpu_feat { + __u64 feat[16]; +}; + +#define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC 4 +#define KVM_S390_VM_CPU_MACHINE_SUBFUNC 5 +/* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */ +struct kvm_s390_vm_cpu_subfunc { + __u8 plo[32]; /* always */ + __u8 ptff[16]; /* with TOD-clock steering */ + __u8 kmac[16]; /* with MSA */ + __u8 kmc[16]; /* with MSA */ + __u8 km[16]; /* with MSA */ + __u8 kimd[16]; /* with MSA */ + __u8 klmd[16]; /* with MSA */ + __u8 pckmo[16]; /* with MSA3 */ + __u8 kmctr[16]; /* with MSA4 */ + __u8 kmf[16]; /* with MSA4 */ + __u8 kmo[16]; /* with MSA4 */ + __u8 pcc[16]; /* with MSA4 */ + __u8 ppno[16]; /* with MSA5 */ + __u8 reserved[1824]; +}; + /* kvm attributes for crypto */ #define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0 #define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1 diff --git a/tools/arch/s390/include/uapi/asm/sie.h b/tools/arch/s390/include/uapi/asm/sie.h index 8fb5d4a6dd25..3ac634368939 100644 --- a/tools/arch/s390/include/uapi/asm/sie.h +++ b/tools/arch/s390/include/uapi/asm/sie.h @@ -140,6 +140,7 @@ exit_code_ipa0(0xB2, 0x4c, "TAR"), \ exit_code_ipa0(0xB2, 0x50, "CSP"), \ exit_code_ipa0(0xB2, 0x54, "MVPG"), \ + exit_code_ipa0(0xB2, 0x56, "STHYI"), \ exit_code_ipa0(0xB2, 0x58, "BSG"), \ exit_code_ipa0(0xB2, 0x5a, "BSA"), \ exit_code_ipa0(0xB2, 0x5f, "CHSC"), \ diff --git a/tools/perf/arch/powerpc/util/sym-handling.c b/tools/perf/arch/powerpc/util/sym-handling.c index 8d4dc97d80ba..35745a733100 100644 --- a/tools/perf/arch/powerpc/util/sym-handling.c +++ b/tools/perf/arch/powerpc/util/sym-handling.c @@ -97,6 +97,7 @@ void arch__fix_tev_from_maps(struct perf_probe_event *pev, } } +#ifdef HAVE_LIBELF_SUPPORT void arch__post_process_probe_trace_events(struct perf_probe_event *pev, int ntevs) { @@ -118,5 +119,6 @@ void arch__post_process_probe_trace_events(struct perf_probe_event *pev, } } } +#endif /* HAVE_LIBELF_SUPPORT */ #endif diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c index fb51457ba338..a2412e9d883b 100644 --- a/tools/perf/arch/x86/util/intel-pt.c +++ b/tools/perf/arch/x86/util/intel-pt.c @@ -501,7 +501,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, struct intel_pt_recording *ptr = container_of(itr, struct intel_pt_recording, itr); struct perf_pmu *intel_pt_pmu = ptr->intel_pt_pmu; - bool have_timing_info; + bool have_timing_info, need_immediate = false; struct perf_evsel *evsel, *intel_pt_evsel = NULL; const struct cpu_map *cpus = evlist->cpus; bool privileged = geteuid() == 0 || perf_event_paranoid() < 0; @@ -655,6 +655,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, ptr->have_sched_switch = 3; } else { opts->record_switch_events = true; + need_immediate = true; if (cpu_wide) ptr->have_sched_switch = 3; else @@ -700,6 +701,9 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, tracking_evsel->attr.freq = 0; tracking_evsel->attr.sample_period = 1; + if (need_immediate) + tracking_evsel->immediate = true; + /* In per-cpu case, always need the time of mmap events etc */ if (!cpu_map__empty(cpus)) { perf_evsel__set_sample_bit(tracking_evsel, TIME); diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index d608a2c9e48c..d1ce29be560e 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -88,6 +88,9 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) if (mem->operation & MEM_OPERATION_LOAD) perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true; + if (mem->operation & MEM_OPERATION_STORE) + perf_mem_events[PERF_MEM_EVENTS__STORE].record = true; + if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record) rec_argv[i++] = "-W"; diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 9c640a8081c7..c859e59dfe3e 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -371,14 +371,16 @@ static int perf_session__check_output_opt(struct perf_session *session) if (!no_callchain) { bool use_callchain = false; + bool not_pipe = false; evlist__for_each_entry(session->evlist, evsel) { + not_pipe = true; if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) { use_callchain = true; break; } } - if (!use_callchain) + if (not_pipe && !use_callchain) symbol_conf.use_callchain = false; } @@ -1690,8 +1692,13 @@ static int list_available_scripts(const struct option *opt __maybe_unused, snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); scripts_dir = opendir(scripts_path); - if (!scripts_dir) - return -1; + if (!scripts_dir) { + fprintf(stdout, + "open(%s) failed.\n" + "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", + scripts_path); + exit(-1); + } for_each_lang(scripts_path, scripts_dir, lang_dirent) { snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c index 9c8f15da86ce..8ff6c6a61291 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -123,8 +123,6 @@ struct intel_pt_decoder { bool have_calc_cyc_to_tsc; int exec_mode; unsigned int insn_bytes; - uint64_t sign_bit; - uint64_t sign_bits; uint64_t period; enum intel_pt_period_type period_type; uint64_t tot_insn_cnt; @@ -191,9 +189,6 @@ struct intel_pt_decoder *intel_pt_decoder_new(struct intel_pt_params *params) decoder->data = params->data; decoder->return_compression = params->return_compression; - decoder->sign_bit = (uint64_t)1 << 47; - decoder->sign_bits = ~(((uint64_t)1 << 48) - 1); - decoder->period = params->period; decoder->period_type = params->period_type; @@ -362,21 +357,30 @@ int intel_pt__strerror(int code, char *buf, size_t buflen) return 0; } -static uint64_t intel_pt_calc_ip(struct intel_pt_decoder *decoder, - const struct intel_pt_pkt *packet, +static uint64_t intel_pt_calc_ip(const struct intel_pt_pkt *packet, uint64_t last_ip) { uint64_t ip; switch (packet->count) { - case 2: + case 1: ip = (last_ip & (uint64_t)0xffffffffffff0000ULL) | packet->payload; break; - case 4: + case 2: ip = (last_ip & (uint64_t)0xffffffff00000000ULL) | packet->payload; break; + case 3: + ip = packet->payload; + /* Sign-extend 6-byte ip */ + if (ip & (uint64_t)0x800000000000ULL) + ip |= (uint64_t)0xffff000000000000ULL; + break; + case 4: + ip = (last_ip & (uint64_t)0xffff000000000000ULL) | + packet->payload; + break; case 6: ip = packet->payload; break; @@ -384,16 +388,12 @@ static uint64_t intel_pt_calc_ip(struct intel_pt_decoder *decoder, return 0; } - if (ip & decoder->sign_bit) - return ip | decoder->sign_bits; - return ip; } static inline void intel_pt_set_last_ip(struct intel_pt_decoder *decoder) { - decoder->last_ip = intel_pt_calc_ip(decoder, &decoder->packet, - decoder->last_ip); + decoder->last_ip = intel_pt_calc_ip(&decoder->packet, decoder->last_ip); } static inline void intel_pt_set_ip(struct intel_pt_decoder *decoder) @@ -1657,6 +1657,12 @@ next: } } +static inline bool intel_pt_have_ip(struct intel_pt_decoder *decoder) +{ + return decoder->last_ip || decoder->packet.count == 0 || + decoder->packet.count == 3 || decoder->packet.count == 6; +} + /* Walk PSB+ packets to get in sync. */ static int intel_pt_walk_psb(struct intel_pt_decoder *decoder) { @@ -1677,8 +1683,7 @@ static int intel_pt_walk_psb(struct intel_pt_decoder *decoder) case INTEL_PT_FUP: decoder->pge = true; - if (decoder->last_ip || decoder->packet.count == 6 || - decoder->packet.count == 0) { + if (intel_pt_have_ip(decoder)) { uint64_t current_ip = decoder->ip; intel_pt_set_ip(decoder); @@ -1767,8 +1772,7 @@ static int intel_pt_walk_to_ip(struct intel_pt_decoder *decoder) case INTEL_PT_TIP_PGE: case INTEL_PT_TIP: decoder->pge = decoder->packet.type != INTEL_PT_TIP_PGD; - if (decoder->last_ip || decoder->packet.count == 6 || - decoder->packet.count == 0) + if (intel_pt_have_ip(decoder)) intel_pt_set_ip(decoder); if (decoder->ip) return 0; @@ -1776,9 +1780,7 @@ static int intel_pt_walk_to_ip(struct intel_pt_decoder *decoder) case INTEL_PT_FUP: if (decoder->overflow) { - if (decoder->last_ip || - decoder->packet.count == 6 || - decoder->packet.count == 0) + if (intel_pt_have_ip(decoder)) intel_pt_set_ip(decoder); if (decoder->ip) return 0; diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c index b1257c816310..4f7b32020487 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c @@ -292,36 +292,46 @@ static int intel_pt_get_ip(enum intel_pt_pkt_type type, unsigned int byte, const unsigned char *buf, size_t len, struct intel_pt_pkt *packet) { - switch (byte >> 5) { + int ip_len; + + packet->count = byte >> 5; + + switch (packet->count) { case 0: - packet->count = 0; + ip_len = 0; break; case 1: if (len < 3) return INTEL_PT_NEED_MORE_BYTES; - packet->count = 2; + ip_len = 2; packet->payload = le16_to_cpu(*(uint16_t *)(buf + 1)); break; case 2: if (len < 5) return INTEL_PT_NEED_MORE_BYTES; - packet->count = 4; + ip_len = 4; packet->payload = le32_to_cpu(*(uint32_t *)(buf + 1)); break; case 3: - case 6: + case 4: if (len < 7) return INTEL_PT_NEED_MORE_BYTES; - packet->count = 6; + ip_len = 6; memcpy_le64(&packet->payload, buf + 1, 6); break; + case 6: + if (len < 9) + return INTEL_PT_NEED_MORE_BYTES; + ip_len = 8; + packet->payload = le64_to_cpu(*(uint64_t *)(buf + 1)); + break; default: return INTEL_PT_BAD_PACKET; } packet->type = type; - return packet->count + 1; + return ip_len + 1; } static int intel_pt_get_mode(const unsigned char *buf, size_t len, diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c index 9f3305f6b6d5..95f0884aae02 100644 --- a/tools/perf/util/jitdump.c +++ b/tools/perf/util/jitdump.c @@ -1,3 +1,4 @@ +#include <sys/sysmacros.h> #include <sys/types.h> #include <stdio.h> #include <stdlib.h> diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c index 9aed9c332da6..9c3b9ed5b3c3 100644 --- a/tools/perf/util/probe-file.c +++ b/tools/perf/util/probe-file.c @@ -133,7 +133,7 @@ int probe_file__open_both(int *kfd, int *ufd, int flag) /* Get raw string list of current kprobe_events or uprobe_events */ struct strlist *probe_file__get_rawlist(int fd) { - int ret, idx; + int ret, idx, fddup; FILE *fp; char buf[MAX_CMDLEN]; char *p; @@ -143,8 +143,17 @@ struct strlist *probe_file__get_rawlist(int fd) return NULL; sl = strlist__new(NULL, NULL); + if (sl == NULL) + return NULL; + + fddup = dup(fd); + if (fddup < 0) + goto out_free_sl; + + fp = fdopen(fddup, "r"); + if (!fp) + goto out_close_fddup; - fp = fdopen(dup(fd), "r"); while (!feof(fp)) { p = fgets(buf, MAX_CMDLEN, fp); if (!p) @@ -156,13 +165,21 @@ struct strlist *probe_file__get_rawlist(int fd) ret = strlist__add(sl, buf); if (ret < 0) { pr_debug("strlist__add failed (%d)\n", ret); - strlist__delete(sl); - return NULL; + goto out_close_fp; } } fclose(fp); return sl; + +out_close_fp: + fclose(fp); + goto out_free_sl; +out_close_fddup: + close(fddup); +out_free_sl: + strlist__delete(sl); + return NULL; } static struct strlist *__probe_file__get_namelist(int fd, bool include_group) @@ -447,12 +464,17 @@ static int probe_cache__load(struct probe_cache *pcache) { struct probe_cache_entry *entry = NULL; char buf[MAX_CMDLEN], *p; - int ret = 0; + int ret = 0, fddup; FILE *fp; - fp = fdopen(dup(pcache->fd), "r"); - if (!fp) + fddup = dup(pcache->fd); + if (fddup < 0) + return -errno; + fp = fdopen(fddup, "r"); + if (!fp) { + close(fddup); return -EINVAL; + } while (!feof(fp)) { if (!fgets(buf, MAX_CMDLEN, fp)) diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index a34321e9b44d..a811c13a74d6 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -837,7 +837,8 @@ int dso__load_sym(struct dso *dso, struct map *map, sec = syms_ss->symtab; shdr = syms_ss->symshdr; - if (elf_section_by_name(elf, &ehdr, &tshdr, ".text", NULL)) + if (elf_section_by_name(runtime_ss->elf, &runtime_ss->ehdr, &tshdr, + ".text", NULL)) dso->text_offset = tshdr.sh_addr - tshdr.sh_offset; if (runtime_ss->opdsec) diff --git a/tools/virtio/linux/dma-mapping.h b/tools/virtio/linux/dma-mapping.h index 4f93af89ae16..18601f6689b9 100644 --- a/tools/virtio/linux/dma-mapping.h +++ b/tools/virtio/linux/dma-mapping.h @@ -14,4 +14,20 @@ enum dma_data_direction { DMA_NONE = 3, }; +#define dma_alloc_coherent(d, s, hp, f) ({ \ + void *__dma_alloc_coherent_p = kmalloc((s), (f)); \ + *(hp) = (unsigned long)__dma_alloc_coherent_p; \ + __dma_alloc_coherent_p; \ +}) + +#define dma_free_coherent(d, s, p, h) kfree(p) + +#define dma_map_page(d, p, o, s, dir) (page_to_phys(p) + (o)) + +#define dma_map_single(d, p, s, dir) (virt_to_phys(p)) +#define dma_mapping_error(...) (0) + +#define dma_unmap_single(...) do { } while (0) +#define dma_unmap_page(...) do { } while (0) + #endif diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h index 033849948215..d9554fc3f340 100644 --- a/tools/virtio/linux/kernel.h +++ b/tools/virtio/linux/kernel.h @@ -20,7 +20,9 @@ #define PAGE_SIZE getpagesize() #define PAGE_MASK (~(PAGE_SIZE-1)) +#define PAGE_ALIGN(x) ((x + PAGE_SIZE - 1) & PAGE_MASK) +typedef unsigned long long phys_addr_t; typedef unsigned long long dma_addr_t; typedef size_t __kernel_size_t; typedef unsigned int __wsum; @@ -57,6 +59,11 @@ static inline void *kzalloc(size_t s, gfp_t gfp) return p; } +static inline void *alloc_pages_exact(size_t s, gfp_t gfp) +{ + return kmalloc(s, gfp); +} + static inline void kfree(void *p) { if (p >= __kfree_ignore_start && p < __kfree_ignore_end) @@ -64,6 +71,11 @@ static inline void kfree(void *p) free(p); } +static inline void free_pages_exact(void *p, size_t s) +{ + kfree(p); +} + static inline void *krealloc(void *p, size_t s, gfp_t gfp) { return realloc(p, s); @@ -105,6 +117,8 @@ static inline void free_page(unsigned long addr) #define dev_err(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__) #define dev_warn(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__) +#define WARN_ON_ONCE(cond) ((cond) && fprintf (stderr, "WARNING\n")) + #define min(x, y) ({ \ typeof(x) _min1 = (x); \ typeof(y) _min2 = (y); \ diff --git a/tools/virtio/linux/slab.h b/tools/virtio/linux/slab.h index 81baeac8ae40..7e1c1197d439 100644 --- a/tools/virtio/linux/slab.h +++ b/tools/virtio/linux/slab.h @@ -1,2 +1,6 @@ #ifndef LINUX_SLAB_H +#define GFP_KERNEL 0 +#define GFP_ATOMIC 0 +#define __GFP_NOWARN 0 +#define __GFP_ZERO 0 #endif diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h index ee125e714053..9377c8b4ac16 100644 --- a/tools/virtio/linux/virtio.h +++ b/tools/virtio/linux/virtio.h @@ -3,8 +3,12 @@ #include <linux/scatterlist.h> #include <linux/kernel.h> +struct device { + void *parent; +}; + struct virtio_device { - void *dev; + struct device dev; u64 features; }; diff --git a/tools/virtio/linux/virtio_config.h b/tools/virtio/linux/virtio_config.h index 57a6964a1e35..9ba11815e0a1 100644 --- a/tools/virtio/linux/virtio_config.h +++ b/tools/virtio/linux/virtio_config.h @@ -40,6 +40,19 @@ static inline void __virtio_clear_bit(struct virtio_device *vdev, #define virtio_has_feature(dev, feature) \ (__virtio_test_bit((dev), feature)) +/** + * virtio_has_iommu_quirk - determine whether this device has the iommu quirk + * @vdev: the device + */ +static inline bool virtio_has_iommu_quirk(const struct virtio_device *vdev) +{ + /* + * Note the reverse polarity of the quirk feature (compared to most + * other features), this is for compatibility with legacy systems. + */ + return !virtio_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM); +} + static inline bool virtio_is_little_endian(struct virtio_device *vdev) { return virtio_has_feature(vdev, VIRTIO_F_VERSION_1) || diff --git a/tools/virtio/ringtest/ptr_ring.c b/tools/virtio/ringtest/ptr_ring.c index 68e4f9f0da3a..bd2ad1d3b7a9 100644 --- a/tools/virtio/ringtest/ptr_ring.c +++ b/tools/virtio/ringtest/ptr_ring.c @@ -13,6 +13,7 @@ #define cache_line_size() SMP_CACHE_BYTES #define ____cacheline_aligned_in_smp __attribute__ ((aligned (SMP_CACHE_BYTES))) #define unlikely(x) (__builtin_expect(!!(x), 0)) +#define likely(x) (__builtin_expect(!!(x), 1)) #define ALIGN(x, a) (((x) + (a) - 1) / (a) * (a)) typedef pthread_spinlock_t spinlock_t; |