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Whenever a buddy page is found, page_is_buddy() should be called to
check its validity. Add the missing check during pageblock merge check.
Fixes: 1dd214b8f21c ("mm: page_alloc: avoid merging non-fallbackable pageblocks with others")
Link: https://lore.kernel.org/all/20220330154208.71aca532@gandalf.local.home/
Reported-and-tested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Zi Yan <ziy@nvidia.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull more parisc architecture updates from Helge Deller:
- Revert a patch to the invalidate/flush vmap routines which broke
kernel patching functions on older PA-RISC machines.
- Fix the kernel patching code wrt locking and flushing. Works now on
B160L machine as well.
- Fix CPU IRQ affinity for LASI, WAX and Dino chips
- Add CPU hotplug support
- Detect the hppa-suse-linux-gcc compiler when cross-compiling
* tag 'for-5.18/parisc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix patch code locking and flushing
parisc: Find a new timesync master if current CPU is removed
parisc: Move common_stext into .text section when CONFIG_HOTPLUG_CPU=y
parisc: Rewrite arch_cpu_idle_dead() for CPU hotplugging
parisc: Implement __cpu_die() and __cpu_disable() for CPU hotplugging
parisc: Add PDC locking functions for rendezvous code
parisc: Move disable_sr_hashing_asm() into .text section
parisc: Move CPU startup-related functions into .text section
parisc: Move store_cpu_topology() into text section
parisc: Switch from GENERIC_CPU_DEVICES to GENERIC_ARCH_TOPOLOGY
parisc: Ensure set_firmware_width() is called only once
parisc: Add constants for control registers and clean up mfctl()
parisc: Detect hppa-suse-linux-gcc compiler for cross-building
parisc: Clean up cpu_check_affinity() and drop cpu_set_affinity_irq()
parisc: Fix CPU affinity for Lasi, WAX and Dino chips
Revert "parisc: Fix invalidate/flush vmap routines"
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git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull module update from Luis Chamberlain:
"There is only one patch which qualifies for modules for v5.18-rc1 and
its a small fix from Dan Carpenter for lib/test_kmod module.
The rest of the changes are too major and landed in modules-testing
too late for inclusion. The good news is that most of the major
changes for v5.19 is going to be tested very early through linux-next.
This simple fix is all we have for modules for v5.18-rc1"
* tag 'modules-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
lib/test: use after free in register_test_dev_kmod()
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git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This contains conversions of some more drivers to the atomic API as
well as the addition of new chip support for some existing drivers.
There are also various minor fixes and cleanups across the board, from
drivers to device tree bindings"
* tag 'pwm/for-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (45 commits)
pwm: rcar: Simplify multiplication/shift logic
dt-bindings: pwm: renesas,tpu: Do not require pwm-cells twice
dt-bindings: pwm: tiehrpwm: Do not require pwm-cells twice
dt-bindings: pwm: tiecap: Do not require pwm-cells twice
dt-bindings: pwm: samsung: Do not require pwm-cells twice
dt-bindings: pwm: intel,keembay: Do not require pwm-cells twice
dt-bindings: pwm: brcm,bcm7038: Do not require pwm-cells twice
dt-bindings: pwm: toshiba,visconti: Include generic PWM schema
dt-bindings: pwm: renesas,pwm: Include generic PWM schema
dt-bindings: pwm: sifive: Include generic PWM schema
dt-bindings: pwm: rockchip: Include generic PWM schema
dt-bindings: pwm: mxs: Include generic PWM schema
dt-bindings: pwm: iqs620a: Include generic PWM schema
dt-bindings: pwm: intel,lgm: Include generic PWM schema
dt-bindings: pwm: imx: Include generic PWM schema
dt-bindings: pwm: allwinner,sun4i-a10: Include generic PWM schema
pwm: pwm-mediatek: Beautify error messages text
pwm: pwm-mediatek: Allocate clk_pwms with devm_kmalloc_array
pwm: pwm-mediatek: Simplify error handling with dev_err_probe()
pwm: brcmstb: Remove useless locking
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A couple of fixes for the rt4831 driver which fix features that didn't
work due to incomplete description of the register configuration"
* tag 'regulator-fix-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: rt4831: Add active_discharge_on to fix discharge API
regulator: rt4831: Add bypass mask to fix set_bypass API work
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"This time we have bunch of driver updates and some new device support.
New support:
- Document RZ/V2L and RZ/G2UL dma binding
- TI AM62x k3-udma and k3-psil support
Updates:
- Yaml conversion for Mediatek uart apdma schema
- Removal of DMA-32 fallback configuration for various drivers
- imx-sdma updates for channel restart"
* tag 'dmaengine-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (23 commits)
dmaengine: hisi_dma: fix MSI allocate fail when reload hisi_dma
dmaengine: dw-axi-dmac: cleanup comments
dmaengine: fsl-dpaa2-qdma: Drop comma after SoC match table sentinel
dt-bindings: dma: Convert mtk-uart-apdma to DT schema
dmaengine: ppc4xx: Make use of the helper macro LIST_HEAD()
dmaengine: idxd: Remove useless DMA-32 fallback configuration
dmaengine: qcom_hidma: Remove useless DMA-32 fallback configuration
dmaengine: sh: Kconfig: Add ARCH_R9A07G054 dependency for RZ_DMAC config option
dmaengine: ti: k3-psil: Add AM62x PSIL and PDMA data
dmaengine: ti: k3-udma: Add AM62x DMSS support
dmaengine: ti: cleanup comments
dmaengine: imx-sdma: clean up some inconsistent indenting
dmaengine: Revert "dmaengine: shdma: Fix runtime PM imbalance on error"
dmaengine: idxd: restore traffic class defaults after wq reset
dmaengine: altera-msgdma: Remove useless DMA-32 fallback configuration
dmaengine: stm32-dma: set dma_device max_sg_burst
dmaengine: imx-sdma: fix cyclic buffer race condition
dmaengine: imx-sdma: restart cyclic channel if needed
dmaengine: iot: Remove useless DMA-32 fallback configuration
dmaengine: ptdma: handle the cases based on DMA is complete
...
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git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"In the remoteproc core, it's now possible to mark the sysfs attributes
read only on a per-instance basis, which is then used by the TI wkup
M3 driver.
Also, the rproc_shutdown() interface propagates errors to the caller
and an array underflow is fixed in the debugfs interface. The
rproc_da_to_va() API is moved to the public API to allow e.g. child
rpmsg devices to acquire pointers to memory shared with the remote
processor.
The TI K3 R5F and DSP drivers gains support for attaching to instances
already started by the bootloader, aka IPC-only mode.
The Mediatek remoteproc driver gains support for the MT8186 SCP. The
driver's probe function is reordered and moved to use the devres
version of rproc_alloc() to save a few gotos. The driver's probe
function is also transitioned to use dev_err_probe() to provide better
debug support.
Support for the Qualcomm SC7280 Wireless Subsystem (WPSS) is
introduced. The Hexagon based remoteproc drivers gains support for
voting for interconnect bandwidth during launch of the remote
processor. The modem subsystem (MSS) driver gains support for probing
the BAM-DMUX driver, which provides the network interface towards the
modem on a set of older Qualcomm platforms. In addition a number a bug
fixes are introduces in the Qualcomm drivers.
Lastly Qualcomm ADSP DeviceTree binding is converted to YAML format,
to allow validation of DeviceTree source files"
* tag 'rproc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (22 commits)
remoteproc: qcom_q6v5_mss: Create platform device for BAM-DMUX
remoteproc: qcom: q6v5_wpss: Add support for sc7280 WPSS
dt-bindings: remoteproc: qcom: Add SC7280 WPSS support
dt-bindings: remoteproc: qcom: adsp: Convert binding to YAML
remoteproc: k3-dsp: Add support for IPC-only mode for all K3 DSPs
remoteproc: k3-dsp: Refactor mbox request code in start
remoteproc: k3-r5: Add support for IPC-only mode for all R5Fs
remoteproc: k3-r5: Refactor mbox request code in start
remoteproc: Change rproc_shutdown() to return a status
remoteproc: qcom: q6v5: Add interconnect path proxy vote
remoteproc: mediatek: Support mt8186 scp
dt-bindings: remoteproc: mediatek: Add binding for mt8186 scp
remoteproc: qcom_q6v5_mss: Fix some leaks in q6v5_alloc_memory_region
remoteproc: qcom_wcnss: Add missing of_node_put() in wcnss_alloc_memory_region
remoteproc: qcom: Fix missing of_node_put in adsp_alloc_memory_region
remoteproc: move rproc_da_to_va declaration to remoteproc.h
remoteproc: wkup_m3: Set sysfs_read_only flag
remoteproc: Introduce sysfs_read_only flag
remoteproc: Fix count check in rproc_coredump_write()
remoteproc: mtk_scp: Use dev_err_probe() where possible
...
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git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull hwspinlock updates from Bjorn Andersson:
"This updates sprd and srm32 drivers to use struct_size() instead of
their open-coded equivalents. It also cleans up the omap dt-bindings
example"
* tag 'hwlock-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
hwspinlock: sprd: Use struct_size() helper in devm_kzalloc()
hwspinlock: stm32: Use struct_size() helper in devm_kzalloc()
dt-bindings: hwlock: omap: Remove redundant binding example
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git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull rpmsg updates from Bjorn Andersson:
"The major part of the rpmsg changes for v5.18 relates to improvements
in the rpmsg char driver, which now allow automatically attaching to
rpmsg channels as well as initiating new communication channels from
the Linux side.
The SMD driver is moved to arch_initcall with the purpose of
registering root clocks earlier during boot.
Also in the SMD driver, a workaround for the resource power management
(RPM) channel is introduced to resolve an issue where both the RPM and
Linux side waits for the other to close the communication established
by the bootloader - this unblocks support for clocks and regulators on
some older Qualcomm platforms"
* tag 'rpmsg-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: ctrl: Introduce new RPMSG_CREATE/RELEASE_DEV_IOCTL controls
rpmsg: char: Introduce the "rpmsg-raw" channel
rpmsg: char: Add possibility to use default endpoint of the rpmsg device
rpmsg: char: Refactor rpmsg_chrdev_eptdev_create function
rpmsg: Update rpmsg_chrdev_register_device function
rpmsg: Move the rpmsg control device from rpmsg_char to rpmsg_ctrl
rpmsg: Create the rpmsg class in core instead of in rpmsg char
rpmsg: char: Export eptdev create and destroy functions
rpmsg: char: treat rpmsg_trysend() ENOMEM as EAGAIN
rpmsg: qcom_smd: Fix redundant channel->registered assignment
rpmsg: use struct_size over open coded arithmetic
rpmsg: smd: allow opening rpm_requests even if already opened
rpmsg: qcom_smd: Promote to arch_initcall
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git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni:
- support dynamic addition of i2c devices
* tag 'i3c/for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: fix uninitialized variable use in i2c setup
i3c: support dynamically added i2c devices
i3c: remove i2c board info from i2c_dev_desc
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"There's one large change in the core clk framework here. We change how
clk_set_rate_range() works so that the frequency is re-evaulated each
time the rate is changed. Previously we wouldn't let clk providers see
a rate that was different if it was still within the range, which
could be bad for power if the clk could run slower when a range
expands. Now the clk provider can decide to do something differently
when the constraints change. This broke Nvidia's clk driver so we had
to wait for the fix for that to bake a little more in -next.
The rate range patch series also introduced a kunit suite for the clk
framework that we're going to extend in the next release. It already
made it easy to find corner cases in the rate range patches so I'm
excited to see it cover more clk code and increase our confidence in
core framework patches in the future. I also added a kunit test for
the basic clk gate code and that work will continue to cover more
basic clk types: muxes, dividers, etc.
Beyond the core code we have the usual set of clk driver updates and
additions. Qualcomm again dominates the diffstat here with lots more
SoCs being supported and i.MX follows afer that with a similar number
of SoCs gaining clk drivers. Beyond those large additions there's
drivers being modernized to use clk_parent_data so we can move away
from global string names for all the clks in an SoC. Finally there's
lots of little fixes all over the clk drivers for typos, warnings, and
missing clks that aren't critical and get batched up waiting for the
next merge window to open. Nothing super big stands out in the driver
pile. Full details are below.
Core:
- Make clk_set_rate_range() re-evaluate the limits each time
- Introduce various clk_set_rate_range() tests
- Add clk_drop_range() to drop a previously set range
New Drivers:
- i.MXRT1050 clock driver and bindings
- i.MX8DXL clock driver and bindings
- i.MX93 clock driver and bindings
- NCO blocks on Apple SoCs
- Audio clks on StarFive JH7100 RISC-V SoC
- Add support for the new Renesas RZ/V2L SoC
- Qualcomm SDX65 A7 PLL
- Qualcomm SM6350 GPU clks
- Qualcomm SM6125, SM6350, QCS2290 display clks
- Qualcomm MSM8226 multimedia clks
Updates:
- Kunit tests for clk-gate implementation
- Terminate arrays with sentinels and make that clearer
- Cleanup SPDX tags
- Fix typos in comments
- Mark mux table as const in clk-mux
- Make the all_lists array const
- Convert Cirrus Logic CS2000P driver to regmap, yamlify DT binding
and add support for dynamic mode
- Clock configuration on Microchip PolarFire SoCs
- Free allocations on probe error in Mediatek clk driver
- Modernize Mediatek clk driver by consolidating code
- Add watchdog (WDT), I2C, and pin function controller (PFC) clocks
on Renesas R-Car S4-8
- Improve the clocks for the Rockchip rk3568 display outputs
(parenting, pll-rates)
- Use of_device_get_match_data() instead of open-coding on Rockchip
rk3568
- Reintroduce the expected fractional-divider behaviour that
disappeared with the addition of CLK_FRAC_DIVIDER_POWER_OF_TWO_PS
- Remove SYS PLL 1/2 clock gates for i.MX8M*
- Remove AUDIO MCLK ROOT from i.MX7D
- Add fracn gppll clock type used by i.MX93
- Add new composite clock for i.MX93
- Add missing media mipi phy ref clock for i.MX8MP
- Fix off by one in imx_lpcg_parse_clks_from_dt()
- Rework for the imx pll14xx
- sama7g5: One low priority fix for GCLK of PDMC
- Add DMA engine (SYS-DMAC) clocks on Renesas R-Car S4-8
- Add MOST (MediaLB I/F) clocks on Renesas R-Car E3 and D3
- Add CAN-FD clocks on Renesas R-Car V3U
- Qualcomm SC8280XP RPMCC
- Add some missing clks on Qualcomm MSM8992/MSM8994/MSM8998 SoCs
- Rework Qualcomm GCC bindings and convert SDM845 camera bindig to
YAML
- Convert various Qualcomm drivers to use clk_parent_data
- Remove test clocks from various Qualcomm drivers
- Crypto engine clks on Qualcomm IPQ806x + more freqs for SDCC/NSS
- Qualcomm SM8150 EMAC, PCIe, UFS GDSCs
- Better pixel clk frequency support on Qualcomm RCG2 clks"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (227 commits)
clk: zynq: Update the parameters to zynq_clk_register_periph_clk
clk: zynq: trivial warning fix
clk: Drop the rate range on clk_put()
clk: test: Test clk_set_rate_range on orphan mux
clk: Initialize orphan req_rate
dt-bindings: clock: drop useless consumer example
dt-bindings: clock: renesas: Make example 'clocks' parsable
clk: qcom: gcc-msm8994: Fix gpll4 width
dt-bindings: clock: fix dt_binding_check error for qcom,gcc-other.yaml
clk: rs9: Add Renesas 9-series PCIe clock generator driver
clk: fixed-factor: Introduce devm_clk_hw_register_fixed_factor_index()
clk: visconti: prevent array overflow in visconti_clk_register_gates()
dt-bindings: clk: rs9: Add Renesas 9-series I2C PCIe clock generator
clk: sifive: Move all stuff into SoCs header files from C files
clk: sifive: Add SoCs prefix in each SoCs-dependent data
riscv: dts: Change the macro name of prci in each device node
dt-bindings: change the macro name of prci in header files and example
clk: sifive: duplicate the macro definitions for the time being
clk: qcom: sm6125-gcc: fix typos in comments
clk: ti: clkctrl: fix typos in comments
...
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams:
"The update for this cycle includes the deprecation of block-aperture
mode and a new perf events interface for the papr_scm nvdimm driver.
The perf events approach was acked by PeterZ.
- Add perf support for nvdimm events, initially only for 'papr_scm'
devices.
- Deprecate the 'block aperture' support in libnvdimm, it only ever
existed in the specification, not in shipping product"
* tag 'libnvdimm-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nvdimm/blk: Fix title level
MAINTAINERS: remove section LIBNVDIMM BLK: MMIO-APERTURE DRIVER
powerpc/papr_scm: Fix build failure when
drivers/nvdimm: Fix build failure when CONFIG_PERF_EVENTS is not set
nvdimm/region: Delete nd_blk_region infrastructure
ACPI: NFIT: Remove block aperture support
nvdimm/namespace: Delete nd_namespace_blk
nvdimm/namespace: Delete blk namespace consideration in shared paths
nvdimm/blk: Delete the block-aperture window driver
nvdimm/region: Fix default alignment for small regions
docs: ABI: sysfs-bus-nvdimm: Document sysfs event format entries for nvdimm pmu
powerpc/papr_scm: Add perf interface support
drivers/nvdimm: Add perf interface to expose nvdimm performance stats
drivers/nvdimm: Add nvdimm pmu structure
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Jason Donenfeld reports that my commit 1c24a186398f ("fs: fd tables have
to be multiples of BITS_PER_LONG") doesn't work, and the reason is an
embarrassing brown-paper-bag bug.
Yes, we want to align the number of fds to BITS_PER_LONG, and yes, the
reason they might not be aligned is because the incoming 'max_fd'
argument might not be aligned.
But aligining the argument - while simple - will cause a "infinitely
big" maxfd (eg NR_OPEN_MAX) to just overflow to zero. Which most
definitely isn't what we want either.
The obvious fix was always just to do the alignment last, but I had
moved it earlier just to make the patch smaller and the code look
simpler. Duh. It certainly made _me_ look simple.
Fixes: 1c24a186398f ("fs: fd tables have to be multiples of BITS_PER_LONG")
Reported-and-tested-by: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Fedor Pchelkin <aissur0002@gmail.com>
Cc: Alexey Khoroshilov <khoroshilov@ispras.ru>
Cc: Christian Brauner <brauner@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull NFS client updates from Trond Myklebust:
"Highlights include:
Features:
- Switch NFS to use readahead instead of the obsolete readpages.
- Readdir fixes to improve cacheability of large directories when
there are multiple readers and writers.
- Readdir performance improvements when doing a seekdir() immediately
after opening the directory (common when re-exporting NFS).
- NFS swap improvements from Neil Brown.
- Loosen up memory allocation to permit direct reclaim and write back
in cases where there is no danger of deadlocking the writeback code
or NFS swap.
- Avoid sillyrename when the NFSv4 server claims to support the
necessary features to recover the unlinked but open file after
reboot.
Bugfixes:
- Patch from Olga to add a mount option to control NFSv4.1 session
trunking discovery, and default it to being off.
- Fix a lockup in nfs_do_recoalesce().
- Two fixes for list iterator variables being used when pointing to
the list head.
- Fix a kernel memory scribble when reading from a non-socket
transport in /sys/kernel/sunrpc.
- Fix a race where reconnecting to a server could leave the TCP
socket stuck forever in the connecting state.
- Patch from Neil to fix a shutdown race which can leave the SUNRPC
transport timer primed after we free the struct xprt itself.
- Patch from Xin Xiong to fix reference count leaks in the NFSv4.2
copy offload.
- Sunrpc patch from Olga to avoid resending a task on an offlined
transport.
Cleanups:
- Patches from Dave Wysochanski to clean up the fscache code"
* tag 'nfs-for-5.18-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (91 commits)
NFSv4/pNFS: Fix another issue with a list iterator pointing to the head
NFS: Don't loop forever in nfs_do_recoalesce()
SUNRPC: Don't return error values in sysfs read of closed files
SUNRPC: Do not dereference non-socket transports in sysfs
NFSv4.1: don't retry BIND_CONN_TO_SESSION on session error
SUNRPC don't resend a task on an offlined transport
NFS: replace usage of found with dedicated list iterator variable
SUNRPC: avoid race between mod_timer() and del_timer_sync()
pNFS/files: Ensure pNFS allocation modes are consistent with nfsiod
pNFS/flexfiles: Ensure pNFS allocation modes are consistent with nfsiod
NFSv4/pnfs: Ensure pNFS allocation modes are consistent with nfsiod
NFS: Avoid writeback threads getting stuck in mempool_alloc()
NFS: nfsiod should not block forever in mempool_alloc()
SUNRPC: Make the rpciod and xprtiod slab allocation modes consistent
SUNRPC: Fix unx_lookup_cred() allocation
NFS: Fix memory allocation in rpc_alloc_task()
NFS: Fix memory allocation in rpc_malloc()
SUNRPC: Improve accuracy of socket ENOBUFS determination
SUNRPC: Replace internal use of SOCKWQ_ASYNC_NOSPACE
SUNRPC: Fix socket waits for write buffer space
...
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Pull jfs updates from Dave Kleikamp:
"A couple bug fixes"
* tag 'jfs-5.18' of https://github.com/kleikamp/linux-shaggy:
jfs: prevent NULL deref in diFree
jfs: fix divide error in dbNextAG
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The "test_dev" pointer is freed but then returned to the caller.
Fixes: d9c6a72d6fa2 ("kmod: add test driver to stress test the module loader")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
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This has always been the rule: fdtables have several bitmaps in them,
and as a result they have to be sized properly for bitmaps. We walk
those bitmaps in chunks of 'unsigned long' in serveral cases, but even
when we don't, we use the regular kernel bitops that are defined to work
on arrays of 'unsigned long', not on some byte array.
Now, the distinction between arrays of bytes and 'unsigned long'
normally only really ends up being noticeable on big-endian systems, but
Fedor Pchelkin and Alexey Khoroshilov reported that copy_fd_bitmaps()
could be called with an argument that wasn't even a multiple of
BITS_PER_BYTE. And then it fails to do the proper copy even on
little-endian machines.
The bug wasn't in copy_fd_bitmap(), but in sane_fdtable_size(), which
didn't actually sanitize the fdtable size sufficiently, and never made
sure it had the proper BITS_PER_LONG alignment.
That's partly because the alignment historically came not from having to
explicitly align things, but simply from previous fdtable sizes, and
from count_open_files(), which counts the file descriptors by walking
them one 'unsigned long' word at a time and thus naturally ends up doing
sizing in the proper 'chunks of unsigned long'.
But with the introduction of close_range(), we now have an external
source of "this is how many files we want to have", and so
sane_fdtable_size() needs to do a better job.
This also adds that explicit alignment to alloc_fdtable(), although
there it is mainly just for documentation at a source code level. The
arithmetic we do there to pick a reasonable fdtable size already aligns
the result sufficiently.
In fact,clang notices that the added ALIGN() in that function doesn't
actually do anything, and does not generate any extra code for it.
It turns out that gcc ends up confusing itself by combining a previous
constant-sized shift operation with the variable-sized shift operations
in roundup_pow_of_two(). And probably due to that doesn't notice that
the ALIGN() is a no-op. But that's a (tiny) gcc misfeature that doesn't
matter. Having the explicit alignment makes sense, and would actually
matter on a 128-bit architecture if we ever go there.
This also adds big comments above both functions about how fdtable sizes
have to have that BITS_PER_LONG alignment.
Fixes: 60997c3d45d9 ("close_range: add CLOSE_RANGE_UNSHARE")
Reported-by: Fedor Pchelkin <aissur0002@gmail.com>
Reported-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Link: https://lore.kernel.org/all/20220326114009.1690-1-aissur0002@gmail.com/
Tested-and-acked-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This change fixes the following:
1) The flags variable is not initialized. Always use raw_spin_lock_irqsave
and raw_spin_unlock_irqrestore to serialize patching.
2) flush_kernel_vmap_range is primarily intended for DMA flushes. Since
__patch_text_multiple is often called with interrupts disabled, it is
better to directly call flush_kernel_dcache_range_asm and
flush_kernel_icache_range_asm. This avoids an extra call.
3) The final call to flush_icache_range is unnecessary.
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
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When CPU hotplugging is enabled, the user may want to remove the
current CPU which is providing the timer ticks. If this happens
we need to find a new timesync master.
Signed-off-by: Helge Deller <deller@gmx.de>
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Move the common_stext function into the non-init text section if hotplug
is enabled. This function is called from the firmware when hotplugged
CPUs are brought up.
Signed-off-by: Helge Deller <deller@gmx.de>
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Let the PDC firmware put the CPU into firmware idle loop with the
pdc_cpu_rendezvous() function.
Signed-off-by: Helge Deller <deller@gmx.de>
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Add relevant code to __cpu_die() and __cpu_disable() to finally enable
the CPU hotplugging features. Reset the irq count values in smp_callin()
to zero before bringing up the CPU.
It seems that the firmware may need up to 8 seconds to fully stop a CPU
in which no other PDC calls are allowed to be made. Use a timeout
__cpu_die() to accommodate for this.
Use "chcpu -d 1" to bring CPU1 down, and "chcpu -e 1" to bring it up.
Signed-off-by: Helge Deller <deller@gmx.de>
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Add pdc_cpu_rendezvous_lock() and pdc_cpu_rendezvous_unlock()
to lock PDC while CPU is transitioning into rendezvous state.
This is needed, because the transition phase may take up to 8 seconds.
Add pdc_pat_get_PDC_entrypoint() to get PDC entry point for current CPU.
Signed-off-by: Helge Deller <deller@gmx.de>
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Signed-off-by: Helge Deller <deller@gmx.de>
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If CONFIG_HOTPLUG_CPU is enabled, those functions will be run again
after bootup. So they need to reside in the .text section.
Signed-off-by: Helge Deller <deller@gmx.de>
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Signed-off-by: Helge Deller <deller@gmx.de>
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Switch away from the own cpu topology code to common code which is used
by ARM64 and RISCV. That will allow us to enable CPU hotplug later on.
Signed-off-by: Helge Deller <deller@gmx.de>
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Call set_firmware_width() only once at runtime.
This prevents that hotplugged CPUs will get stuck in spinlocks later on.
Signed-off-by: Helge Deller <deller@gmx.de>
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Clean up the code for the mfctl() and mtctl() functions and add often
used constants.
Signed-off-by: Helge Deller <deller@gmx.de>
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Allow the system to find the SUSE hppa compiler and linker to set
CROSS32_COMPILE and CROSS_COMPILE.
Suggested-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Helge Deller <deller@gmx.de>
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The cpu_set_affinity_irq() isn't needed. Not the CPU irqs need to
change, but the slave irq chips simply need to be reprogrammed to
a new CPU irq with the txn_* functions.
Signed-off-by: Helge Deller <deller@gmx.de>
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Add the missing logic to allow Lasi, WAX and Dino to set the
CPU affinity. This fixes IRQ migration to other CPUs when a
CPU is shutdown which currently holds the IRQs for one of those
chips.
Signed-off-by: Helge Deller <deller@gmx.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull device properties code update from Rafael Wysocki:
"This is based on new i2c material for 5.18-rc1 and simply reorganizes
the code on top of it so as to group similar functions together (Andy
Shevchenko)"
* tag 'devprop-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
device property: Don't split fwnode_get_irq*() APIs in the code
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These update ARM cpufreq drivers, the OPP (Operating Performance
Points) library and the power management documentation.
Specifics:
- Add per core DVFS support for QCom SoC (Bjorn Andersson), convert
to yaml binding (Manivannan Sadhasivam) and various other fixes to
the QCom drivers (Luca Weiss).
- Add OPP table for imx7s SoC (Denys Drozdov) and minor fixes (Stefan
Agner).
- Fix CPPC driver's freq/performance conversions (Pierre Gondois).
- Minor generic cleanups (Yury Norov).
- Introduce opp-microwatt property to the OPP core, bindings, etc
(Lukasz Luba).
- Convert DT bindings to schema format and various related fixes
(Yassine Oudjana).
- Expose OPP's OF node in debugfs (Viresh Kumar).
- Add Intel uncore frequency scaling documentation file to its
MAINTAINERS entry (Srinivas Pandruvada).
- Clean up the AMD P-state driver documentation (Jan Engelhardt)"
* tag 'pm-5.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (24 commits)
Documentation: amd-pstate: grammar and sentence structure updates
dt-bindings: cpufreq: cpufreq-qcom-hw: Convert to YAML bindings
dt-bindings: dvfs: Use MediaTek CPUFREQ HW as an example
Documentation: EM: Describe new registration method using DT
OPP: Add support of "opp-microwatt" for EM registration
PM: EM: add macro to set .active_power() callback conditionally
OPP: Add "opp-microwatt" supporting code
dt-bindings: opp: Add "opp-microwatt" entry in the OPP
MAINTAINERS: Add additional file to uncore frequency control
cpufreq: blocklist Qualcomm sc8280xp and sa8540p in cpufreq-dt-platdev
cpufreq: qcom-hw: Add support for per-core-dcvs
dt-bindings: power: avs: qcom,cpr: Convert to DT schema
arm64: dts: qcom: qcs404: Rename CPU and CPR OPP tables
arm64: dts: qcom: msm8996: Rename cluster OPP tables
dt-bindings: opp: Convert qcom-nvmem-cpufreq to DT schema
dt-bindings: opp: qcom-opp: Convert to DT schema
arm64: dts: qcom: msm8996-mtp: Add msm8996 compatible
dt-bindings: arm: qcom: Add msm8996 and apq8096 compatibles
opp: Expose of-node's name in debugfs
cpufreq: CPPC: Fix performance/frequency conversion
...
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* clk-sifive:
clk: sifive: Move all stuff into SoCs header files from C files
clk: sifive: Add SoCs prefix in each SoCs-dependent data
riscv: dts: Change the macro name of prci in each device node
dt-bindings: change the macro name of prci in header files and example
clk: sifive: duplicate the macro definitions for the time being
* clk-visconti:
clk: visconti: prevent array overflow in visconti_clk_register_gates()
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clk-next
- Make clk_set_rate_range() re-evaluate the limits each time
- Introduce various clk_set_rate_range() tests
- Add clk_drop_range() to drop a previously set range
- Support for NCO blocks on Apple SoCs
* clk-range:
clk: Drop the rate range on clk_put()
clk: test: Test clk_set_rate_range on orphan mux
clk: Initialize orphan req_rate
clk: bcm: rpi: Run some clocks at the minimum rate allowed
clk: bcm: rpi: Set a default minimum rate
clk: bcm: rpi: Add variant structure
clk: Add clk_drop_range
clk: Always set the rate on clk_set_range_rate
clk: Use clamp instead of open-coding our own
clk: Always clamp the rounded rate
clk: Enforce that disjoints limits are invalid
clk: Introduce Kunit Tests for the framework
clk: Fix clk_hw_get_clk() when dev is NULL
* clk-uniphier:
clk: uniphier: Fix fixed-rate initialization
* clk-apple:
clk: clk-apple-nco: Allow and fix module building
MAINTAINERS: Add clk-apple-nco under ARM/APPLE MACHINE
clk: clk-apple-nco: Add driver for Apple NCO
dt-bindings: clock: Add Apple NCO
* clk-qcom: (61 commits)
clk: qcom: gcc-msm8994: Fix gpll4 width
dt-bindings: clock: fix dt_binding_check error for qcom,gcc-other.yaml
clk: qcom: Add display clock controller driver for SM6125
dt-bindings: clock: add QCOM SM6125 display clock bindings
clk: qcom: Fix sorting of SDX_GCC_65 in Makefile and Kconfig
clk: qcom: gcc: Add emac GDSC support for SM8150
clk: qcom: gcc: sm8150: Fix some identation issues
clk: qcom: gcc: Add UFS_CARD and UFS_PHY GDSCs for SM8150
clk: qcom: gcc: Add PCIe0 and PCIe1 GDSC for SM8150
clk: qcom: clk-rcg2: Update the frac table for pixel clock
clk: qcom: clk-rcg2: Update logic to calculate D value for RCG
clk: qcom: smd: Add missing MSM8998 RPM clocks
clk: qcom: smd: Add missing RPM clocks for msm8992/4
dt-bindings: clock: qcom: rpmcc: Add RPM Modem SubSystem (MSS) clocks
clk: qcom: gcc-ipq806x: add CryptoEngine resets
dt-bindings: reset: add ipq8064 ce5 resets
clk: qcom: gcc-ipq806x: add CryptoEngine clocks
dt-bindings: clock: add ipq8064 ce5 clk define
clk: qcom: gcc-ipq806x: add additional freq for sdc table
clk: qcom: clk-rcg: add clk_rcg_floor_ops ops
...
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into clk-next
- Audio clks on StarFive JH7100 RISC-V SoC
- Terminate arrays with sentinels and make that clearer
- Cleanup SPDX tags
- Fix typos in comments
* clk-starfive:
clk: starfive: Add JH7100 audio clock driver
clk: starfive: jh7100: Support more clock types
clk: starfive: jh7100: Make hw clock implementation reusable
dt-bindings: clock: Add starfive,jh7100-audclk bindings
dt-bindings: clock: Add JH7100 audio clock definitions
clk: starfive: jh7100: Handle audio_div clock properly
clk: starfive: jh7100: Don't round divisor up twice
* clk-ti:
clk: ti: Drop legacy compatibility clocks for dra7
clk: ti: Drop legacy compatibility clocks for am4
clk: ti: Drop legacy compatibility clocks for am3
clk: ti: Update component clocks to use ti_dt_clk_name()
clk: ti: Update pll and clockdomain clocks to use ti_dt_clk_name()
clk: ti: Add ti_dt_clk_name() helper to use clock-output-names
clk: ti: Use clock-output-names for clkctrl
clk: ti: Add ti_find_clock_provider() to use clock-output-names
clk: ti: Optionally parse IO address from parent clock node
clk: ti: Preserve node in ti_dt_clocks_register()
clk: ti: Constify clkctrl_name
* clk-terminate:
clk: actions: Make sentinel elements more obvious
clk: clps711x: Terminate clk_div_table with sentinel element
clk: hisilicon: Terminate clk_div_table with sentinel element
clk: loongson1: Terminate clk_div_table with sentinel element
clk: actions: Terminate clk_div_table with sentinel element
* clk-cleanup:
clk: zynq: Update the parameters to zynq_clk_register_periph_clk
clk: zynq: trivial warning fix
clk: qcom: sm6125-gcc: fix typos in comments
clk: ti: clkctrl: fix typos in comments
clk: COMMON_CLK_LAN966X should depend on SOC_LAN966
clk: Use of_device_get_match_data()
clk: bcm2835: Remove unused variable
clk: tegra: tegra124-emc: Fix missing put_device() call in emc_ensure_emc_driver
clk: cleanup comments
clk: socfpga: cleanup spdx tags
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clk-next
- Mark mux table as const in clk-mux
- Make the all_lists array const
* clk-mvebu:
clk: mvebu: use time_is_before_eq_jiffies() instead of open coding it
* clk-const:
clk: Mark clk_core_evict_parent_cache_subtree() 'target' const
clk: Mark 'all_lists' as const
clk: pistachio: Declare mux table as const u32[]
clk: qcom: Declare mux table as const u32[]
clk: mmp: Declare mux tables as const u32[]
clk: hisilicon: Remove unnecessary cast of mux table to u32 *
clk: mux: Declare u32 *table parameter as const
clk: nxp: Declare mux table parameter as const u32 *
clk: nxp: Remove unused variable
* clk-imx: (28 commits)
dt-bindings: clock: drop useless consumer example
clk: imx: Select MXC_CLK for i.MX93 clock driver
clk: imx: remove redundant re-assignment of pll->base
MAINTAINERS: clk: imx: add git tree and dt-bindings files
clk: imx: pll14xx: Support dynamic rates
clk: imx: pll14xx: Add pr_fmt
clk: imx: pll14xx: explicitly return lowest rate
clk: imx: pll14xx: name variables after usage
clk: imx: pll14xx: consolidate rate calculation
clk: imx: pll14xx: Use FIELD_GET/FIELD_PREP
clk: imx: pll14xx: Drop wrong shifting
clk: imx: pll14xx: Use register defines consistently
clk: imx8mp: remove SYS PLL 1/2 clock gates
clk: imx8mn: remove SYS PLL 1/2 clock gates
clk: imx8mm: remove SYS PLL 1/2 clock gates
clk: imx: add i.MX93 clk
clk: imx: support fracn gppll
clk: imx: add i.MX93 composite clk
dt-bindings: clock: add i.MX93 clock definition
dt-bindings: clock: Add imx93 clock support
...
* clk-rockchip:
clk: rockchip: re-add rational best approximation algorithm to the fractional divider
clk/rockchip: Use of_device_get_match_data()
clk: rockchip: Add CLK_SET_RATE_PARENT to the HDMI reference clock on rk3568
clk: rockchip: drop CLK_SET_RATE_PARENT from dclk_vop* on rk3568
clk: rockchip: Add more PLL rates for rk3568
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into clk-next
- Kunit tests for clk-gate implementation
- Convert Cirrus Logic CS2000P driver to regmap, yamlify DT binding and add
support for dynamic mode
* clk-xilinx:
clk: zynqmp: replace warn_once with pr_debug for failed clock ops
* clk-kunit:
clk: gate: Add some kunit test suites
* clk-cs2000:
clk: cs2000-cp: convert driver to regmap
clk: cs2000-cp: freeze config during register fiddling
clk: cs2000-cp: make clock skip setting configurable
clk: cs2000-cp: add support for dynamic mode
clk: cs2000-cp: Make aux output function controllable
dt-bindings: clock: cs2000-cp: document cirrus,dynamic-mode
dt-bindings: clock: cs2000-cp: document cirrus,clock-skip flag
dt-bindings: clock: cs2000-cp: document aux-output-source
dt-bindings: clock: convert cs2000-cp bindings to yaml
* clk-renesas:
dt-bindings: clock: renesas: Make example 'clocks' parsable
clk: rs9: Add Renesas 9-series PCIe clock generator driver
clk: fixed-factor: Introduce devm_clk_hw_register_fixed_factor_index()
dt-bindings: clk: rs9: Add Renesas 9-series I2C PCIe clock generator
clk: renesas: r8a779f0: Add PFC clock
clk: renesas: r8a779f0: Add I2C clocks
clk: renesas: r8a779f0: Add WDT clock
clk: renesas: r8a779f0: Fix RSW2 clock divider
clk: renesas: rzg2l-cpg: Add support for RZ/V2L SoC
dt-bindings: clock: renesas: Document RZ/V2L SoC
dt-bindings: clock: Add R9A07G054 CPG Clock and Reset Definitions
clk: renesas: r8a779a0: Add CANFD module clock
clk: renesas: r9a07g044: Update multiplier and divider values for PLL2/3
clk: renesas: r8a7799[05]: Add MLP clocks
clk: renesas: r8a779f0: Add SYS-DMAC clocks
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into clk-next
- Clock configuration on Microchip PolarFire SoCs
- Free allocations on probe error in Mediatek clk driver
- Modernize Mediatek clk driver by consolidating code
* clk-microchip:
clk: microchip: Add driver for Microchip PolarFire SoC
dt-bindings: clk: microchip: Add Microchip PolarFire host binding
* clk-si:
clk-si5341: replace snprintf in show functions with sysfs_emit
clk: si5341: fix reported clk_rate when output divider is 2
* clk-mtk: (32 commits)
clk: mediatek: Warn if clk IDs are duplicated
clk: mediatek: mt8195: Implement remove functions
clk: mediatek: mt8195: Implement error handling in probe functions
clk: mediatek: mt8195: Hook up mtk_clk_simple_remove()
clk: mediatek: Unregister clks in mtk_clk_simple_probe() error path
clk: mediatek: mtk: Implement error handling in register APIs
clk: mediatek: pll: Implement error handling in register API
clk: mediatek: mux: Implement error handling in register API
clk: mediatek: mux: Reverse check for existing clk to reduce nesting level
clk: mediatek: gate: Implement error handling in register API
clk: mediatek: cpumux: Implement error handling in register API
clk: mediatek: mtk: Clean up included headers
clk: mediatek: Add mtk_clk_simple_remove()
clk: mediatek: Implement mtk_clk_unregister_composites() API
clk: mediatek: Implement mtk_clk_unregister_divider_clks() API
clk: mediatek: Implement mtk_clk_unregister_factors() API
clk: mediatek: Implement mtk_clk_unregister_fixed_clks() API
clk: mediatek: pll: Clean up included headers
clk: mediatek: pll: Implement unregister API
clk: mediatek: pll: Split definitions into separate header file
...
* clk-at91:
clk: at91: clk-master: remove dead code
clk: at91: sama7g5: fix parents of PDMCs' GCLK
clk: at91: sama7g5: Allow MCK1 to be exported and referenced in DT
clk: at91: allow setting PMC_AUDIOPINCK clock parents via DT
* clk-st:
clk: stm32mp1: Add parent_data to ETHRX clock
clk: stm32mp1: Split ETHCK_K into separate MUX and GATE clock
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In case there are only one gate or the two_gate is 0 the clk1 clock
passed is not used. We are passing 0 which is arm_pll.
Pass a invalid clock instead.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220222130903.17235-3-shubhrajyoti.datta@xilinx.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fix the below warning
WARNING: Missing a blank line after declarations
+ int enable = !!(fclk_enable & BIT(i - fclk0));
+ zynq_clk_register_fclk(i, clk_output_name[i],
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220222130903.17235-2-shubhrajyoti.datta@xilinx.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Merge additional power management documentation udates for 5.18-rc1:
- Add Intel uncore frequency scaling documentation file to its
MAINTAINERS entry (Srinivas Pandruvada).
- Clean up the AMD P-state driver documentation (Jan Engelhardt).
* pm-docs:
Documentation: amd-pstate: grammar and sentence structure updates
MAINTAINERS: Add additional file to uncore frequency control
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Merge OPP (Operating Performance Points) changes for 5.18-rc1.
* pm-opp:
Documentation: EM: Describe new registration method using DT
OPP: Add support of "opp-microwatt" for EM registration
PM: EM: add macro to set .active_power() callback conditionally
OPP: Add "opp-microwatt" supporting code
dt-bindings: opp: Add "opp-microwatt" entry in the OPP
dt-bindings: power: avs: qcom,cpr: Convert to DT schema
arm64: dts: qcom: qcs404: Rename CPU and CPR OPP tables
arm64: dts: qcom: msm8996: Rename cluster OPP tables
dt-bindings: opp: Convert qcom-nvmem-cpufreq to DT schema
dt-bindings: opp: qcom-opp: Convert to DT schema
arm64: dts: qcom: msm8996-mtp: Add msm8996 compatible
dt-bindings: arm: qcom: Add msm8996 and apq8096 compatibles
opp: Expose of-node's name in debugfs
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Clean-up missing '/schemas' in $ref paths
- Fix MediaTek Vcodec decoder example 'dma-ranges' errors
- Expand available values of PBL for snps,dwmac to fix warnings in
mediatek-dwmac.yaml example
- Fix warnings in MediaTek display bindings
* tag 'devicetree-fixes-for-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: Fix missing '/schemas' in $ref paths
dt-bindings: media: mediatek,vcodec: Fix addressing cell sizes
dt-bindings: net: snps,dwmac: modify available values of PBL
dt-bindings: display: mediatek: Fix examples on new bindings
dt-bindings: display: mediatek, ovl: Fix 'iommu' required property typo
dt-bindings: display: mediatek, mutex: Fix mediatek, gce-events type
Revert "dt-bindings: display: mediatek: add ethdr definition for mt8195"
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Pull dma-mapping updates from Christoph Hellwig:
- do not zero buffer in set_memory_decrypted (Kirill A. Shutemov)
- fix return value of dma-debug __setup handlers (Randy Dunlap)
- swiotlb cleanups (Robin Murphy)
- remove most remaining users of the pci-dma-compat.h API
(Christophe JAILLET)
- share the ABI header for the DMA map_benchmark with userspace
(Tian Tao)
- update the maintainer for DMA MAPPING BENCHMARK (Xiang Chen)
- remove CONFIG_DMA_REMAP (me)
* tag 'dma-mapping-5.18' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: benchmark: extract a common header file for map_benchmark definition
dma-debug: fix return value of __setup handlers
dma-mapping: remove CONFIG_DMA_REMAP
media: v4l2-pci-skeleton: Remove usage of the deprecated "pci-dma-compat.h" API
rapidio/tsi721: Remove usage of the deprecated "pci-dma-compat.h" API
sparc: Remove usage of the deprecated "pci-dma-compat.h" API
agp/intel: Remove usage of the deprecated "pci-dma-compat.h" API
alpha: Remove usage of the deprecated "pci-dma-compat.h" API
MAINTAINERS: update maintainer list of DMA MAPPING BENCHMARK
swiotlb: simplify array allocation
swiotlb: tidy up includes
swiotlb: simplify debugfs setup
swiotlb: do not zero buffer in set_memory_decrypted()
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Freescale Layerscape Lynx 28G SerDes PHYs are only present on
Freescale/NXP Layerscape SoCs.
Move PHY_FSL_LYNX_28G outside the block for ARCH_MXC, as the latter
is meant for i.MX8 SoCs, which is a different family than Layerscape.
Add a dependency on ARCH_LAYERSCAPE, to prevent asking the user about
this driver when configuring a kernel without Layerscape SoC support.
Fixes: 02e2af20f4f9f2aa ("Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc")
Fixes: 8f73b37cf3fbda67 ("phy: add support for the Layerscape SerDes 28G")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This reverts commit 53d862fac4a09b9c56cca0433fa9de5732fd05a1.
It turned out that flush_kernel_vmap_range() is being called with
interrupts disabled. There's no way to flush entire cache with
interrupts disabled.
Signed-off-by: Helge Deller <deller@gmx.de>
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Absolute paths in $ref should always begin with '/schemas'. The tools
mostly work with it omitted, but for correctness the path should be
everything except the hostname as that is taken from the schema's $id
value. This scheme is defined in the json-schema spec.
Cc: Hector Martin <marcan@marcan.st>
Cc: Sven Peter <sven@svenpeter.dev>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Vivien Didelot <vivien.didelot@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Vladimir Oltean <olteanv@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Chunfeng Yun <chunfeng.yun@mediatek.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mukesh Savaliya <msavaliy@codeaurora.org>
Cc: Akash Asthana <akashast@codeaurora.org>
Cc: Bayi Cheng <bayi.cheng@mediatek.com>
Cc: Chuanhong Guo <gch981213@gmail.com>
Cc: Min Guo <min.guo@mediatek.com>
Cc: netdev@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Mark Brown <broonie@debian.org>
Link: https://lore.kernel.org/r/20220325215652.525383-1-robh@kernel.org
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'dma-ranges' in the example is written for cell sizes of 2 cells, but
the schema and example specify sizes of 1 cell. As the h/w has a bus
address of >32-bits, cell sizes of 2 is correct. Update the schema's
'#address-cells' and '#size-cells' to be 2 and adjust the example
throughout.
There's no error currently because dtc only checks 'dma-ranges' is a
correct multiple number of cells (3) and the schema checking is based on
bracketing of entries.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220301233501.2110047-1-robh@kernel.org
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