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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty fix from Greg KH:
"Here is a single tty core fix for 4.12-rc4. It reverts a patch that a
lot of people reported as causing lockdep and other warnings.
Right after I reverted this in my tree, it seems like another
"correct" fix might have shown up, but it's too late in the release
cycle to be messing with tty core locking, so let's just revert this
for now to go back how things always have been and try it again for
4.13.
This has not been in linux-next as I only reverted it a few hours ago"
* tag 'tty-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "tty: fix port buffer locking"
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem fixes from Dmitry Torokhov:
- a couple of regression fixes in synaptics and axp20x-pek drivers
- try to ease transition from PS/2 to RMI for Synaptics touchpad users
by ensuring we do not try to activate RMI mode when RMI SMBus support
is not enabled, and nag users a bit to enable it
- plus a couple of other changes that seemed worthwhile for this
release
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: axp20x-pek - switch to acpi_dev_present and check for ACPI0011 too
Input: axp20x-pek - only check for "INTCFD9" ACPI device on Cherry Trail
Input: tm2-touchkey - use LEN_ON as boolean value instead of LED_FULL
Input: synaptics - tell users to report when they should be using rmi-smbus
Input: synaptics - warn the users when there is a better mode
Input: synaptics - keep PS/2 around when RMI4_SMB is not enabled
Input: synaptics - clear device info before filling in
Input: silead - disable interrupt during suspend
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is nine fixes, seven of which are for the qedi driver (new as of
4.10) the other two are a use after free in the cxgbi drivers and a
potential NULL dereference in the rdac device handler"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: libcxgbi: fix skb use after free
scsi: qedi: Fix endpoint NULL panic during recovery.
scsi: qedi: set max_fin_rt default value
scsi: qedi: Set firmware tcp msl timer value.
scsi: qedi: Fix endpoint NULL panic in qedi_set_path.
scsi: qedi: Set dma_boundary to 0xfff.
scsi: qedi: Correctly set firmware max supported BDs.
scsi: qedi: Fix bad pte call trace when iscsiuio is stopped.
scsi: scsi_dh_rdac: Use ctlr directly in rdac_failover_get()
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"For the most part this is just a minor -rc cycle for the rdma
subsystem. Even given that this is all of the -rc patches since the
merge window closed, it's still only about 25 patches:
- Multiple i40iw, nes, iw_cxgb4, hfi1, qib, mlx4, mlx5 fixes
- A few upper layer protocol fixes (IPoIB, iSER, SRP)
- A modest number of core fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (26 commits)
RDMA/SA: Fix kernel panic in CMA request handler flow
RDMA/umem: Fix missing mmap_sem in get umem ODP call
RDMA/core: not to set page dirty bit if it's already set.
RDMA/uverbs: Declare local function static and add brackets to sizeof
RDMA/netlink: Reduce exposure of RDMA netlink functions
RDMA/srp: Fix NULL deref at srp_destroy_qp()
RDMA/IPoIB: Limit the ipoib_dev_uninit_default scope
RDMA/IPoIB: Replace netdev_priv with ipoib_priv for ipoib_get_link_ksettings
RDMA/qedr: add null check before pointer dereference
RDMA/mlx5: set UMR wqe fence according to HCA cap
net/mlx5: Define interface bits for fencing UMR wqe
RDMA/mlx4: Fix MAD tunneling when SRIOV is enabled
RDMA/qib,hfi1: Fix MR reference count leak on write with immediate
RDMA/hfi1: Defer setting VL15 credits to link-up interrupt
RDMA/hfi1: change PCI bar addr assignments to Linux API functions
RDMA/hfi1: fix array termination by appending NULL to attr array
RDMA/iw_cxgb4: fix the calculation of ipv6 header size
RDMA/iw_cxgb4: calculate t4_eq_status_entries properly
RDMA/iw_cxgb4: Avoid touch after free error in ARP failure handlers
RDMA/nes: ACK MPA Reply frame
...
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This reverts commit 925bb1ce47f429f69aad35876df7ecd8c53deb7e.
It causes lots of warnings and problems so for now, let's just revert
it.
Reported-by: <valdis.kletnieks@vt.edu>
Reported-by: Russell King <linux@armlinux.org.uk>
Reported-by: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reported-by: Jiri Slaby <jslaby@suse.cz>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"A couple of patches for the aspeed pwm fan driver"
* tag 'hwmon-for-linus-v4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (aspeed-pwm-tacho) make fan/pwm names start with index 1
hwmon: (aspeed-pwm-tacho) Call of_node_put() on a node not claimed
hwmon: (aspeed-pwm-tacho) On read failure return -ETIMEDOUT
hwmon: (aspeed-pwm-tacho) Select REGMAP
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Pull MTD fixes from Brian Norris:
"NAND updates from Boris:
tango fixes:
- Add missing MODULE_DEVICE_TABLE() in tango_nand.c
- Update the number of corrected bitflips
core fixes:
- Fix a long standing memory leak in nand_scan_tail()
- Fix several bugs introduced by the per-vendor init/detection
infrastructure (introduced in 4.12)
- Add a static specifier to nand_ooblayout_lp_hamming_ops definition"
* tag 'for-linus-20170602' of git://git.infradead.org/linux-mtd:
mtd: nand: make nand_ooblayout_lp_hamming_ops static
mtd: nand: tango: Update ecc_stats.corrected
mtd: nand: tango: Export OF device ID table as module aliases
mtd: nand: samsung: warn about un-parseable ECC info
mtd: nand: free vendor-specific resources in init failure paths
mtd: nand: drop unneeded module.h include
mtd: nand: don't leak buffers when ->scan_bbt() fails
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Make fan and pwm names in sysfs start with index 1 in accordance to
Documentation/hwmon/sysfs-interface conventions.
Current implementation starts with index 0, making tools such as
sensors(1) skip the first fan.
Signed-off-by: Stefan Schaeckeler <sschaeck@cisco.com>
Fixes: 2d7a548a3eff ("drivers: hwmon: Support for ASPEED PWM/Fan tach")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Call of_node_put() on a node claimed with of_node_get() or by any other
means such as for_each_child_of_node().
Signed-off-by: Stefan Schaeckeler <sschaeck@cisco.com>
Fixes: 2d7a548a3eff ("drivers: hwmon: Support for ASPEED PWM/Fan tach")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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acpi_dev_found checks that there is a matching ACPI node, but it
may be disabled (_STA method returns 0) in which case the
soc_button_array driver will not bind to it and axp20x-pek should
handle the power-button.
This commit switches from acpi_dev_found to acpi_dev_present to
avoid not registering an input-dev for the powerbutton when there
is a disabled PNP0C40 device.
The ACPI-6.0 standard defines a standard gpio button device using
the ACPI0011 HID replacing the custom PNP0C40 gpio device, many
newer devices define both PNP0C40 and ACPI0011 devices enabling one
or the other depending on whether the BIOS thinks it is going to boot
Android or Windows.
This commit adds a check for the ACPI0011 device, so that if
either device is present *and* enabled we don't register an input-dev
for the powerbutton.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Commit 9b13a4ca8d2c ("Input: axp20x-pek - do not register input device
on some systems") added a check for the INTCFD9 ACPI device which also
handles the powerbutton as on some systems the powerbutton is connected
to both the PMIC, handled by axp20x-pek, and to a gpio on the SoC, handled
by soc_button_array which attaches itself to the INTCFD9 ACPI device.
Testing + comparing DSDTs has shown that this only happens on Cherry
Trail devices with an AXP288 PMIC, the AXP288 PMIC is also used on
Bay Trail devices but there the power button is only connected to
the PMIC and not handled by soc_button_array.
This means that the INTCFD9 check has caused a regression on Bay Trail
devices, causing power-button presses to no longer be seen.
This commit fixes this by limiting the check to devices where the ACPI
node for the AXP288 contains a _HRV (hardware revision) attribute with
a value of 3 which indicates we are dealing with a Cherry Trail platform.
Fixes: 9b13a4ca8d2c ("Input: axp20x-pek - do not register input ...")
Reported-by: Сергей Трусов <t.rus76@ya.ru>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge with mainline to get acpi_dev_present() needed by patches to
axp20x-pek driver.
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These revert one more problematic commit related to the ACPI-based
handling of laptop lids and make some unuseful error messages coming
from ACPICA go away.
Specifics:
- Revert one more commit related to the ACPI-based handling of laptop
lids that changed the default behavior on laptops that booted with
closed lids and introduced a regression there (Benjamin Tissoires).
- Add a missing acpi_put_table() to the code implementing the
/sys/firmware/acpi/tables interface to prevent a counter in the
ACPICA core from overflowing (Dan Williams).
- Drop error messages printed by ACPICA on acpi_get_table() reference
counting mismatches as they need not indicate real errors at this
point (Lv Zheng)"
* tag 'acpi-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: Tables: Fix regression introduced by a too early mechanism enabling
Revert "ACPI / button: Change default behavior to lid_init_state=open"
ACPI / sysfs: fix acpi_get_table() leak / acpi-sysfs denial of service
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two bugs in error code paths in the cpufreq core and in the
kirkwood-cpufreq driver.
Specifics:
- Make cpufreq_register_driver() return an error if the ->init()
calls fail for all CPUs to prevent non-functional drivers from
hanging around for no reason (David Arcari).
- Make kirkwood-cpufreq check the return value of
clk_prepare_enable() (which may fail) as appropriate (Arvind
Yadav)"
* tag 'pm-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: kirkwood-cpufreq:- Handle return value of clk_prepare_enable()
cpufreq: cpufreq_register_driver() should return -ENODEV if init fails
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull /dev/random bug fix from Ted Ts'o:
"Fix a race on architectures with prioritized interrupts (such as m68k)
which can causes crashes in drivers/char/random.c:get_reg()"
* tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
fix race in drivers/char/random.c:get_reg()
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Merge misc fixes from Andrew Morton:
"15 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
scripts/gdb: make lx-dmesg command work (reliably)
mm: consider memblock reservations for deferred memory initialization sizing
mm/hugetlb: report -EHWPOISON not -EFAULT when FOLL_HWPOISON is specified
mlock: fix mlock count can not decrease in race condition
mm/migrate: fix refcount handling when !hugepage_migration_supported()
dax: fix race between colliding PMD & PTE entries
mm: avoid spurious 'bad pmd' warning messages
mm/page_alloc.c: make sure OOM victim can try allocations with no watermarks once
pcmcia: remove left-over %Z format
slub/memcg: cure the brainless abuse of sysfs attributes
initramfs: fix disabling of initramfs (and its compression)
mm: clarify why we want kmalloc before falling backto vmallock
frv: declare jiffies to be located in the .data section
include/linux/gfp.h: fix ___GFP_NOLOCKDEP value
ksm: prevent crash after write_protect_page fails
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Commit 5b5e0928f742 ("lib/vsprintf.c: remove %Z support") removed some
usages of format %Z but forgot "%.2Zx". This makes clang 4.0 reports a
-Wformat-extra-args warning because it does not know about %Z.
Replace %Z with %z.
Link: http://lkml.kernel.org/r/20170520090946.22562-1-nicolas.iooss_linux@m4x.org
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Cc: Harald Welte <laforge@gnumonks.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: <stable@vger.kernel.org> [4.11+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* acpi-button:
Revert "ACPI / button: Change default behavior to lid_init_state=open"
* acpica:
ACPICA: Tables: Fix regression introduced by a too early mechanism enabling
* acpi-sysfs:
ACPI / sysfs: fix acpi_get_table() leak / acpi-sysfs denial of service
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* pm-cpufreq:
cpufreq: kirkwood-cpufreq:- Handle return value of clk_prepare_enable()
cpufreq: cpufreq_register_driver() should return -ENODEV if init fails
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"ACPI-related fixes for arm64:
- GICC MADT entry validity check fix
- Skip IRQ registration with pmu=off in an ACPI guest
- struct acpi_pci_root_ops freeing on error path"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
ARM64/ACPI: Fix BAD_MADT_GICC_ENTRY() macro implementation
drivers/perf: arm_pmu_acpi: avoid perf IRQ init when guest PMU is off
ARM64: PCI: Fix struct acpi_pci_root_ops allocation failure path
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Pull ceph fix from Ilya Dryomov:
"A small fix for rbd FALLOC_FL_ZERO_RANGE/PUNCH_HOLE handling breakage
introduced in -rc1"
* tag 'ceph-for-4.12-rc4' of git://github.com/ceph/ceph-client:
rbd: implement REQ_OP_WRITE_ZEROES
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- a DM verity fix for a mode when no salt is used
- a fix to DM to account for the possibility that PREFLUSH or FUA are
used without the SYNC flag if the underlying storage doesn't have a
volatile write-cache
- a DM ioctl memory allocation flag fix to use __GFP_HIGH to allow
emergency forward progress (by using memory reserves as last resort)
- a small DM integrity cleanup to use kvmalloc() instead of duplicating
the same
* tag 'for-4.12/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm: make flush bios explicitly sync
dm ioctl: restore __GFP_HIGH in copy_params()
dm integrity: use kvmalloc() instead of dm_integrity_kvmalloc()
dm verity: fix no salt use case
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Pull MD fixes from Shaohua Li:
"Several patches for MD. One notable is making flush bios sync, others
fix small issues"
* tag 'md/4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
md: Make flush bios explicitely sync
md: report sector of stripes with check mismatches
md: uuid debug statement now in processor byte order.
md-cluster: fix potential lock issue in add_new_disk
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Pull block fixes from Jens Axboe:
"A set of fixes that should go into the next -rc. This contains:
- A use-after-free in the request_list exit for the legacy IO path,
from Bart.
- A fix for CFQ, fixing a recent regression with the conversion to
higher resolution timing for iops mode. From Hou Tao.
- A single fix for nbd, split in two patches, fixing a leak of a data
structure.
- A regression fix from Keith, ensuring that callers of
blk_mq_update_nr_hw_queues() hold the right lock"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: Avoid that blk_exit_rl() triggers a use-after-free
cfq-iosched: fix the delay of cfq_group's vdisktime under iops mode
blk-mq: Take tagset lock when updating hw queues
nbd: don't leak nbd_config
nbd: nbd_reset() call in nbd_dev_add() is redundant
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git://people.freedesktop.org/~airlied/linux
Pull drm displayport quirk support:
"DP quirk for usb c dongles.
As mentioned I have a separate request for fixing a regression, but
also keeping the broken hw working, for certain USB-C DP adapters they
require a minimised n/m parameters, but an attempt to do this
generically has failed, we need to quirk these specific adapters.
However doing it generically regressed some eDP panels.
This pull adds the infrastructure and a quirk for the adapter"
* tag 'drm-dp-quirk-for-v4.12-rc4' of git://people.freedesktop.org/~airlied/linux:
drm/i915: Detect USB-C specific dongles before reducing M and N
drm/dp: start a DPCD based DP sink/branch device quirk database
drm/i915: use drm DP helper to read DPCD desc
drm/dp: add helper for reading DP sink/branch device desc from DPCD
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git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"Here is the dmaengine fixes request for 4.12. Fixes bunch of issues in
the driver, npthing exciting though..
- mv_xor_v2 driver fixes for handling descriptors, tx_submit
implementation, removing interrupt coalescing and setting DMA mask
properly
- fix usb-dmac DMAOR AE bit definition
- fix ep93xx start buffer from BASE0 and not drain the transfers in
terminate_all
- fix rcar-dmac to use right descriptor pointer for residue
calculation
- pl330 fix warn for irq freeup"
* tag 'dmaengine-fix-4.12-rc4' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: pl330: fix warning in pl330_remove
rcar-dmac: fixup descriptor pointer for descriptor mode
dmaengine: ep93xx: Don't drain the transfers in terminate_all()
dmaengine: ep93xx: Always start from BASE0
dmaengine: usb-dmac: Fix DMAOR AE bit definition
dmaengine: mv_xor_v2: set DMA mask to 40 bits
dmaengine: mv_xor_v2: remove interrupt coalescing
dmaengine: mv_xor_v2: fix tx_submit() implementation
dmaengine: mv_xor_v2: enable XOR engine after its configuration
dmaengine: mv_xor_v2: do not use descriptors not acked by async_tx
dmaengine: mv_xor_v2: properly handle wrapping in the array of HW descriptors
dmaengine: mv_xor_v2: handle mv_xor_v2_prep_sw_desc() error properly
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:
- corner-case oops fixes for Asus and Wacom drivers from Carlo Caione
and Jason Gerecke
- power management fix (reported on SIS0817 touchscreen) for i2c-hid
devices from Hans de Goede
- device-id-specific fixes and quirks from Hans de Goede, Diego Elio
Pettenò and Che-Liang Chiou
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: asus: Stop underlying hardware on remove
HID: i2c: Call acpi_device_fix_up_power for ACPI-enumerated devices
HID: asus: Add support for T100 keyboard
HID: elecom: extend to fix the descriptor for DEFT trackballs
HID: magicmouse: Set multi-touch keybits for Magic Mouse
HID: wacom: Have wacom_tpc_irq guard against possible NULL dereference
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Ingo Molnar:
"Misc fixes:
- three boot crash fixes for uncommon configurations
- silence a boot warning under virtualization
- plus a GCC 7 related (harmless) build warning fix"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/bgrt: Skip efi_bgrt_init() in case of non-EFI boot
x86/efi: Correct EFI identity mapping under 'efi=old_map' when KASLR is enabled
x86/efi: Disable runtime services on kexec kernel if booted with efi=old_map
efi: Remove duplicate 'const' specifiers
efi: Don't issue error message when booted under Xen
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We are missing a call to hid_hw_stop() on the remove hook.
Among other things this is causing an Oops when (re-)starting GNOME /
upowerd / ... after the module has been already rmmod-ed.
Signed-off-by: Carlo Caione <carlo@endlessm.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When removing a device with less than 9 IRQs (AMBA_NR_IRQS), we'll get a
big WARN_ON from devres.c because pl330_remove calls devm_free_irqs for
unallocated irqs. Similarly to pl330_probe, check that IRQ number is
present before calling devm_free_irq.
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Commit 4e552c8cb5bc ("leds: add LED_ON brightness as boolean value")
has introduced the LED_ON enumeration value that can be used
instead of LED_FULL which has more of a linear value.
Because the tm2-touchscreen doesn't have brightness levels, but
it's a simple on/off led, use LED_ON instead of LED_FULL.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Reviewed-by: Jaechul Lee <jcsing.lee@samsung.com>
Tested-by: Jaechul Lee <jcsing.lee@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://anongit.freedesktop.org/git/drm-intel into drm-fixes
DP sink specific quirks
* tag 'topic/dp-quirks-2017-05-31' of git://anongit.freedesktop.org/git/drm-intel:
drm/i915: Detect USB-C specific dongles before reducing M and N
drm/dp: start a DPCD based DP sink/branch device quirk database
drm/i915: use drm DP helper to read DPCD desc
drm/dp: add helper for reading DP sink/branch device desc from DPCD
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull gcc-plugin prepwork from Kees Cook:
"Use designated initializers for mtk-vcodec, powerplay, amdgpu, and
sgi-xp. Use ERR_CAST() to avoid cross-structure cast in ocf2, ntfs,
and NFS.
Christoph Hellwig recommended that I send these fixes now, rather than
waiting for the v4.13 merge window. These are all initializer and cast
fixes needed for the future randstruct plugin that haven't been picked
up by the respective maintainers"
* tag 'gcc-plugins-v4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
mtk-vcodec: Use designated initializers
drm/amd/powerplay: Use designated initializers
drm/amdgpu: Use designated initializers
sgi-xp: Use designated initializers
ocfs2: Use ERR_CAST() to avoid cross-structure cast
ntfs: Use ERR_CAST() to avoid cross-structure cast
NFS: Use ERR_CAST() to avoid cross-structure cast
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Commit 9fdca4da4d8c (IB/SA: Split struct sa_path_rec based on IB and
ROCE specific fields) moved the service_id to be specific attribute
for IB and OPA SA Path Record, and thus wasn't assigned for RoCE.
This caused to the following kernel panic in the CMA request handler flow:
[ 27.074594] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
[ 27.074731] IP: __radix_tree_lookup+0x1d/0xe0
...
[ 27.075356] Workqueue: ib_cm cm_work_handler [ib_cm]
[ 27.075401] task: ffff88022e3b8000 task.stack: ffffc90001298000
[ 27.075449] RIP: 0010:__radix_tree_lookup+0x1d/0xe0
...
[ 27.075979] Call Trace:
[ 27.076015] radix_tree_lookup+0xd/0x10
[ 27.076055] cma_ps_find+0x59/0x70 [rdma_cm]
[ 27.076097] cma_id_from_event+0xd2/0x470 [rdma_cm]
[ 27.076144] ? ib_init_ah_from_path+0x39a/0x590 [ib_core]
[ 27.076193] cma_req_handler+0x25/0x480 [rdma_cm]
[ 27.076237] cm_process_work+0x25/0x120 [ib_cm]
[ 27.076280] ? cm_get_bth_pkey.isra.62+0x3c/0xa0 [ib_cm]
[ 27.076350] cm_req_handler+0xb03/0xd40 [ib_cm]
[ 27.076430] ? sched_clock_cpu+0x11/0xb0
[ 27.076478] cm_work_handler+0x194/0x1588 [ib_cm]
[ 27.076525] process_one_work+0x160/0x410
[ 27.076565] worker_thread+0x137/0x4a0
[ 27.076614] kthread+0x112/0x150
[ 27.076684] ? max_active_store+0x60/0x60
[ 27.077642] ? kthread_park+0x90/0x90
[ 27.078530] ret_from_fork+0x2c/0x40
This patch moves it back to the common SA Path Record structure
and removes the redundant setter and getter.
Tested on Connect-IB and Connect-X4 in Infiniband and RoCE respectively.
Fixes: 9fdca4da4d8c (IB/SA: Split struct sa_path_rec based on IB ands
ROCE specific fields)
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add mmap_sem lock around VMA inspection in ib_umem_odp_get().
Fixes: 0008b84ea9af ('IB/umem: Add support to huge ODP')
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Reviewed-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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This change will optimize kernel memory deregistration operations.
__ib_umem_release() used to call set_page_dirty_lock() against every
writable page in its memory region. Its purpose is to keep data
synced between CPU and DMA device when swapping happens after mem
deregistration ops. Now we choose not to set page dirty bit if it's
already set by kernel prior to calling __ib_umem_release(). This
reduces memory deregistration time by half or even more when we ran
application simulation test program.
Signed-off-by: Qing Huang <qing.huang@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Commit 57520751445b ("IB/SA: Add OPA path record type") introduced
new local function __ib_copy_path_rec_to_user, but didn't limit its
scope. This produces the following sparse warning:
drivers/infiniband/core/uverbs_marshall.c:99:6: warning:
symbol '__ib_copy_path_rec_to_user' was not declared. Should it be
static?
In addition, it used sizeof ... notations instead of sizeof(...), which
is correct in C, but a little bit misleading. Let's change it too.
Fixes: 57520751445b ("IB/SA: Add OPA path record type")
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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RDMA netlink is part of ib_core, hence ibnl_chk_listeners(),
ibnl_init() and ibnl_cleanup() don't need to be published
in public header file.
Let's remove EXPORT_SYMBOL from ibnl_chk_listeners() and move all these
functions to private header file.
CC: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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If srp_init_qp() fails at srp_create_ch_ib() then ch->send_cq
may be NULL.
Calling directly to ib_destroy_qp() is sufficient because
no work requests were posted on the created qp.
Fixes: 9294000d6d89 ("IB/srp: Drain the send queue before destroying a QP")
Cc: <stable@vger.kernel.org>
Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Bart van Assche <bart.vanassche@sandisk.com>--
Signed-off-by: Doug Ledford <dledford@redhat.com>
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ipoib_dev_uninit_default() call is used in ipoib_main.c file only
and it generates the following warning from smatch tool:
drivers/infiniband/ulp/ipoib/ipoib_main.c:1593:6: warning:
symbol 'ipoib_dev_uninit_default' was not declared. Should it
be static?
so let's declare that function as static.
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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ipoib_dev_init accesses the wrong private data for the IPoIB device.
Commit cd565b4b51e5 (IB/IPoIB: Support acceleration options callbacks)
changed ipoib_priv from being identical to netdev_priv to being an
area inside of, but not the same pointer as, the netdev_priv pointer.
As such, the struct we want is the ipoib_priv area, not the netdev_priv
area, so use the right accessor, otherwise we kernel panic.
[ 27.271938] IPv6: ADDRCONF(NETDEV_CHANGE): mlx5_ib0.8006: link becomes ready
[ 28.156790] BUG: unable to handle kernel NULL pointer dereference at 000000000000067c
[ 28.166309] IP: ib_query_port+0x30/0x180 [ib_core]
...
[ 28.306282] RIP: 0010:ib_query_port+0x30/0x180 [ib_core]
...
[ 28.393337] Call Trace:
[ 28.397594] ipoib_get_link_ksettings+0x66/0xe0 [ib_ipoib]
[ 28.405274] __ethtool_get_link_ksettings+0xa0/0x1c0
[ 28.412353] speed_show+0x74/0xa0
[ 28.417503] dev_attr_show+0x20/0x50
[ 28.422922] ? mutex_lock+0x12/0x40
[ 28.428179] sysfs_kf_seq_show+0xbf/0x1a0
[ 28.434002] kernfs_seq_show+0x21/0x30
[ 28.439470] seq_read+0x116/0x3b0
[ 28.444445] ? do_filp_open+0xa5/0x100
[ 28.449774] kernfs_fop_read+0xff/0x180
[ 28.455220] __vfs_read+0x37/0x150
[ 28.460167] ? security_file_permission+0x9d/0xc0
[ 28.466560] vfs_read+0x8c/0x130
[ 28.471318] SyS_read+0x55/0xc0
[ 28.475950] do_syscall_64+0x67/0x150
[ 28.481163] entry_SYSCALL64_slow_path+0x25/0x25
...
[ 28.584493] ---[ end trace 3549968a4bf0aa5d ]---
Fixes: cd565b4b51e5 (IB/IPoIB: Support acceleration options callbacks)
Fixes: 0d7e2d2166f6 (IB/ipoib: add get_link_ksettings in ethtool)
Signed-off-by: Honggang Li <honli@redhat.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add null check before dereferencing pointer sgid_attr.ndev
inside function rdma_vlan_dev_vlan_id().
Addresses-Coverity-ID: 1373979
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Cache the needed umr_fence and set the wqe ctrl segmennt
accordingly.
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Acked-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The cited patch added a type field to structures ib_ah and rdma_ah_attr.
Function mlx4_ib_query_ah() builds an rdma_ah_attr structure from the
data in an mlx4_ib_ah structure (which contains both an ib_ah structure
and an address vector).
For mlx4_ib_query_ah() to work properly, the type field in the contained
ib_ah structure must be set correctly.
In the outgoing MAD tunneling flow, procedure mlx4_ib_multiplex_mad()
paravirtualizes a MAD received from a slave and sends the processed
mad out over the wire. During this processing, it populates an
mlx4_ib_ah structure and calls mlx4_ib_query_ah().
The cited commit overlooked setting the type field in the contained
ib_ah structure before invoking mlx4_ib_query_ah(). As a result, the
type field remained uninitialized, and the rdma_ah_attr structure was
incorrectly built. This resulted in improperly built MADs being sent out
over the wire.
This patch properly initializes the type field in the contained ib_ah
structure before calling mlx4_ib_query_ah(). The rdma_ah_attr structure
is then generated correctly.
Fixes: 44c58487d51a ("IB/core: Define 'ib' and 'roce' rdma_ah_attr types")
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The handling of IB_RDMA_WRITE_ONLY_WITH_IMMEDIATE will leak a memory
reference when a buffer cannot be allocated for returning the immediate
data.
The issue is that the rkey validation has already occurred and the RNR
nak fails to release the reference that was fruitlessly gotten. The
the peer will send the identical single packet request when its RNR
timer pops.
The fix is to release the held reference prior to the rnr nak exit.
This is the only sequence the requires both rkey validation and the
buffer allocation on the same packet.
Cc: Stable <stable@vger.kernel.org> # 4.7+
Tested-by: Tadeusz Struk <tadeusz.struk@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Keep VL15 credits at 0 during LNI, before link-up. Store
VL15 credits value during verify cap interrupt and set
in after link-up. This addresses an issue where VL15 MAD
packets could be sent by one side of the link before
the other side is ready to receive them.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jakub Byczkowski <jakub.byczkowski@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The Omni-Path adapter driver fails to load on the ppc64le platform
due to invalid PCI setup.
This patch makes the PCI configuration more robust and will
fix 64 bit addressing for ppc64le.
Signed-off-by: Steven L Roberts <robers97@gmail.com>
Acked-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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This fixes a kernel panic when loading the hfi driver as a dynamic module.
Signed-off-by: Steven L Roberts <robers97@gmail.com>
Reviewed-by: Leon Romanovsky <leon@kernel.org>
Acked-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Take care of ipv6 checks while computing header length for deducing mtu
size of ipv6 servers. Due to the incorrect header length computation for
ipv6 servers, wrong mss is reported to the peer (client).
Signed-off-by: Raju Rangoju <rajur@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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use egrstatuspagesize to calculate t4_eq_status_entries.
Fixes: bb58d07964f2 ("cxgb4: Update IngPad and IngPack values")
Reported-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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