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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Bartlomiej writes:
"fbdev fixes for v4.19-rc7:
- fix OMAPFB_MEMORY_READ ioctl to not leak kernel memory in omapfb driver
(Tomi Valkeinen)
- add missing prepare/unprepare clock operations in pxa168fb driver
(Lubomir Rintel)
- add nobgrt option in efifb driver to disable ACPI BGRT logo restore
(Hans de Goede)
- fix spelling mistake in fall-through annotation in stifb driver
(Gustavo A. R. Silva)
- fix URL for uvesafb repository in the documentation (Adam Jackson)"
* tag 'fbdev-v4.19-rc7' of https://github.com/bzolnier/linux:
video/fbdev/stifb: Fix spelling mistake in fall-through annotation
uvesafb: Fix URLs in the documentation
efifb: BGRT: Add nobgrt option
fbdev/omapfb: fix omapfb_memory_read infoleak
pxa168fb: prepare the clock
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Ulf writes:
"MMC core:
- Fixup conversion of debounce time to/from ms/us
MMC host:
- sdhi: Fixup whitelisting for Gen3 types"
* tag 'mmc-v4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: slot-gpio: Fix debounce time to use miliseconds again
mmc: core: Fix debounce time to use microseconds
mmc: sdhi: sys_dmac: check for all Gen3 types when whitelisting
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Olof writes:
"ARM: SoC fixes
A handful of fixes that have been coming in the last couple of weeks:
- Freescale fixes for on-chip accellerators
- A DT fix for stm32 to avoid fallback to non-DMA SPI mode
- Fixes for badly specified interrupts on BCM63xx SoCs
- Allwinner A64 HDMI was incorrectly specified as fully compatble with R40
- Drive strength fix for SAMA5D2 NAND pins on one board"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: stm32: update SPI6 dmas property on stm32mp157c
soc: fsl: qe: Fix copy/paste bug in ucc_get_tdm_sync_shift()
soc: fsl: qbman: qman: avoid allocating from non existing gen_pool
ARM: dts: BCM63xx: Fix incorrect interrupt specifiers
MAINTAINERS: update the Annapurna Labs maintainer email
ARM: dts: sun8i: drop A64 HDMI PHY fallback compatible from R40 DT
ARM: dts: at91: sama5d2_ptc_ek: fix nand pinctrl
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Jens writes:
"Block fixes for 4.19-rc6
A set of fixes that should go into this release. This pull request
contains:
- A fix (hopefully) for the persistent grants for xen-blkfront. A
previous fix from this series wasn't complete, hence reverted, and
this one should hopefully be it. (Boris Ostrovsky)
- Fix for an elevator drain warning with SMR devices, which is
triggered when you switch schedulers (Damien)
- bcache deadlock fix (Guoju Fang)
- Fix for the block unplug tracepoint, which has had the
timer/explicit flag reverted since 4.11 (Ilya)
- Fix a regression in this series where the blk-mq timeout hook is
invoked with the RCU read lock held, hence preventing it from
blocking (Keith)
- NVMe pull from Christoph, with a single multipath fix (Susobhan Dey)"
* tag 'for-linus-20180929' of git://git.kernel.dk/linux-block:
xen/blkfront: correct purging of persistent grants
Revert "xen/blkfront: When purging persistent grants, keep them in the buffer"
blk-mq: I/O and timer unplugs are inverted in blktrace
bcache: add separate workqueue for journal_write to avoid deadlock
xen/blkfront: When purging persistent grants, keep them in the buffer
block: fix deadline elevator drain for zoned block devices
blk-mq: Allow blocking queue tag iter callbacks
nvme: properly propagate errors in nvme_mpath_init
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Thomas writes:
"Three small fixes for clocksource drivers:
- Proper error handling in the Atmel PIT driver
- Add CLOCK_SOURCE_SUSPEND_NONSTOP for TI SoCs so suspend works again
- Fix the next event function for Facebook Backpack-CMM BMC chips so
usleep(100) doesnt sleep several milliseconds"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/timer-atmel-pit: Properly handle error cases
clocksource/drivers/fttmr010: Fix set_next_event handler
clocksource/drivers/ti-32k: Add CLOCK_SOURCE_SUSPEND_NONSTOP flag for non-am43 SoCs
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Rafael writes:
"Power management fix for 4.19-rc6
Fix incorrect __init and __exit annotations in the Qualcomm
Kryo cpufreq driver (Nathan Chancellor)."
* tag 'pm-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: qcom-kryo: Fix section annotations
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There is currently a warning when building the Kryo cpufreq driver into
the kernel image:
WARNING: vmlinux.o(.text+0x8aa424): Section mismatch in reference from
the function qcom_cpufreq_kryo_probe() to the function
.init.text:qcom_cpufreq_kryo_get_msm_id()
The function qcom_cpufreq_kryo_probe() references
the function __init qcom_cpufreq_kryo_get_msm_id().
This is often because qcom_cpufreq_kryo_probe lacks a __init
annotation or the annotation of qcom_cpufreq_kryo_get_msm_id is wrong.
Remove the '__init' annotation from qcom_cpufreq_kryo_get_msm_id
so that there is no more mismatch warning.
Additionally, Nick noticed that the remove function was marked as
'__init' when it should really be marked as '__exit'.
Fixes: 46e2856b8e18 (cpufreq: Add Kryo CPU scaling driver)
Fixes: 5ad7346b4ae2 (cpufreq: kryo: Add module remove and exit)
Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: 4.18+ <stable@vger.kernel.org> # 4.18+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Dmitry writes:
"Input updates for v4.19-rc5
Just a few driver fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: uinput - allow for max == min during input_absinfo validation
Input: elantech - enable middle button of touchpad on ThinkPad P72
Input: atakbd - fix Atari CapsLock behaviour
Input: atakbd - fix Atari keymap
Input: egalax_ts - add system wakeup support
Input: gpio-keys - fix a documentation index issue
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Mark writes:
"spi: Fixes for v4.19
Quite a few fixes for the Renesas drivers in here, plus a fix for the
Tegra driver and some documentation fixes for the recently added
spi-mem code. The Tegra fix is relatively large but fairly
straightforward and mechanical, it runs on probe so it's been
reasonably well covered in -next testing."
* tag 'spi-fix-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-mem: Move the DMA-able constraint doc to the kerneldoc header
spi: spi-mem: Add missing description for data.nbytes field
spi: rspi: Fix interrupted DMA transfers
spi: rspi: Fix invalid SPI use during system suspend
spi: sh-msiof: Fix handling of write value for SISTR register
spi: sh-msiof: Fix invalid SPI use during system suspend
spi: gpio: Fix copy-and-paste error
spi: tegra20-slink: explicitly enable/disable clock
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Mark writes:
"regulator: Fixes for 4.19
A collection of fairly minor bug fixes here, a couple of driver
specific ones plus two core fixes. There's one fix for the new
suspend state code which fixes some confusion with constant values
that are supposed to indicate noop operation and another fixing a
race condition with the creation of sysfs files on new regulators."
* tag 'regulator-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: fix crash caused by null driver data
regulator: Fix 'do-nothing' value for regulators without suspend state
regulator: da9063: fix DT probing with constraints
regulator: bd71837: Disable voltage monitoring for LDO3/4
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Linus writes:
"Pin control fixes for v4.19:
- Fixes to x86 hardware:
- AMD interrupt debounce issues
- Faulty Intel cannonlake register offset
- Revert pin translation IRQ locking"
* tag 'pinctrl-v4.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
Revert "pinctrl: intel: Do pin translation when lock IRQ"
pinctrl: cannonlake: Fix HOSTSW_OWN register offset of H variant
pinctrl/amd: poll InterruptEnable bits in amd_gpio_irq_set_type
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Dave writes:
"drm fixes for 4.19-rc6
Looks like a pretty normal week for graphics,
core: syncobj fix, panel link regression revert
amd: suspend/resume fixes, EDID emulation fix
mali-dp: NV12 writeback and vblank reset fixes
etnaviv: DMA setup fix"
* tag 'drm-fixes-2018-09-28' of git://anongit.freedesktop.org/drm/drm:
drm/amd/display: Fix Edid emulation for linux
drm/amd/display: Fix Vega10 lightup on S3 resume
drm/amdgpu: Fix vce work queue was not cancelled when suspend
Revert "drm/panel: Add device_link from panel device to DRM device"
drm/syncobj: Don't leak fences when WAIT_FOR_SUBMIT is set
drm/malidp: Fix writeback in NV12
drm: mali-dp: Call drm_crtc_vblank_reset on device init
drm/etnaviv: add DMA configuration for etnaviv platform device
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Bjorn writes:
"PCI fixes:
- Fix ACPI hotplug issue that causes black screen crash at boot (Mika
Westerberg)
- Fix DesignWare "scheduling while atomic" issues (Jisheng Zhang)
- Add PPC contacts to MAINTAINERS for PCI core error handling (Bjorn
Helgaas)
- Sort Mobiveil MAINTAINERS entry (Lorenzo Pieralisi)"
* tag 'pci-v4.19-fixes-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
ACPI / hotplug / PCI: Don't scan for non-hotplug bridges if slot is not bridge
PCI: dwc: Fix scheduling while atomic issues
MAINTAINERS: Move mobiveil PCI driver entry where it belongs
MAINTAINERS: Update PPC contacts for PCI core error handling
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The debounce value passed to mmc_gpiod_request_cd() function is in
microseconds, but msecs_to_jiffies() requires the value to be in
miliseconds to properly calculate the delay, so adjust the value stored
in cd_debounce_delay_ms context entry.
Fixes: 1d71926bbd59 ("mmc: core: Fix debounce time to use microseconds")
Fixes: bfd694d5e21c ("mmc: core: Add tunable delay before detecting card
after card is inserted")
Cc: stable@vger.kernel.org # v4.18+
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Pull NVMe fix from Christoph.
* 'nvme-4.19' of git://git.infradead.org/nvme:
nvme: properly propagate errors in nvme_mpath_init
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Commit a46b53672b2c2e3770b38a4abf90d16364d2584b ("xen/blkfront: cleanup
stale persistent grants") introduced a regression as purged persistent
grants were not pu into the list of free grants again. Correct that.
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Fix didn't work for all cases, reverting to add a (hopefully)
better fix.
This reverts commit f151ba989d149bbdfc90e5405724bbea094f9b17.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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into drm-fixes
Just a few fixes for 4.19:
- Couple of suspend/resume fixes
- Fix EDID emulation with DC
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180927155418.2813-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
- Revert adding device-link to panels
- Don't leak fences in drm/syncobj
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20180927152712.GA53076@art_vandelay
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Jason writes:
"Second RDMA rc pull request
- Fix a long standing race bug when destroying comp_event file descriptors
- srp, hfi1, bnxt_re: Various driver crashes from missing validation
and other cases
- Fixes for regressions in patches merged this window in the gid
cache, devx, ucma and uapi."
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/core: Set right entry state before releasing reference
IB/mlx5: Destroy the DEVX object upon error flow
IB/uverbs: Free uapi on destroy
RDMA/bnxt_re: Fix system crash during RDMA resource initialization
IB/hfi1: Fix destroy_qp hang after a link down
IB/hfi1: Fix context recovery when PBC has an UnsupportedVL
IB/hfi1: Invalid user input can result in crash
IB/hfi1: Fix SL array bounds check
RDMA/uverbs: Fix validity check for modify QP
IB/srp: Avoid that sg_reset -d ${srp_device} triggers an infinite loop
ucma: fix a use-after-free in ucma_resolve_ip()
RDMA/uverbs: Atomically flush and mark closed the comp event queue
cxgb4: fix abort_req_rss6 struct
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After write SSD completed, bcache schedules journal_write work to
system_wq, which is a public workqueue in system, without WQ_MEM_RECLAIM
flag. system_wq is also a bound wq, and there may be no idle kworker on
current processor. Creating a new kworker may unfortunately need to
reclaim memory first, by shrinking cache and slab used by vfs, which
depends on bcache device. That's a deadlock.
This patch create a new workqueue for journal_write with WQ_MEM_RECLAIM
flag. It's rescuer thread will work to avoid the deadlock.
Signed-off-by: Guoju Fang <fangguoju@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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[Why]
EDID emulation didn't work properly for linux, as we stop programming
if nothing is connected physically.
[How]
We get a flag from DRM when we want to do edid emulation. We check if
this flag is true and nothing is connected physically, if so we only
program the front end using VIRTUAL_SIGNAL.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
There have been a few reports of Vega10 display remaining blank
after S3 resume. The regression is caused by workaround for mode
change on Vega10 - skip set_bandwidth if stream count is 0.
As a result we skipped dispclk reset on suspend, thus on resume
we may skip the clock update assuming it hasn't been changed.
On some systems it causes display blank or 'out of range'.
[How]
Revert "drm/amd/display: Fix Vega10 black screen after mode change"
Verified that it hadn't cause mode change regression.
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The vce cancel_delayed_work_sync never be called.
driver call the function in error path.
This caused the A+A suspend hang when runtime pm enebled.
As we will visit the smu in the idle queue. this will cause
smu hang because the dgpu has been suspend, and the dgpu also
will be waked up. As the smu has been hang, so the dgpu resume
will failed.
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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This reverts commit 0c08754b59da5557532d946599854e6df28edc22.
commit 0c08754b59da
("drm/panel: Add device_link from panel device to DRM device")
creates a circular dependency under these circumstances:
1. The panel depends on dsi-host because it is MIPI-DSI child
device.
2. dsi-host depends on the drm parent device (connector->dev->dev)
this should be allowed.
3. drm parent dev (connector->dev->dev) depends on the panel
after this patch.
This makes the dependency circular and while it appears it
does not affect any in-tree drivers (they do not seem to have
dsi hosts depending on the same parent device) this does not
seem right.
As noted in a response from Andrzej Hajda, the intent is
likely to make the panel dependent on the DRM device
(connector->dev) not its parent. But we have no way of
doing that since the DRM device doesn't contain any
struct device on its own (arguably it should).
Revert this until a proper approach is figured out.
Cc: Jyri Sarha <jsarha@ti.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180927124130.9102-1-linus.walleij@linaro.org
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https://git.linaro.org/people/daniel.lezcano/linux into timers/urgent
Pull another fix from Daniel Lezcano, which felt through the cracks:
- Fix a potential memory leak reported by smatch in the atmel timer driver
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Commit a46b53672b2c ("xen/blkfront: cleanup stale persistent grants")
added support for purging persistent grants when they are not in use. As
part of the purge, the grants were removed from the grant buffer, This
eventually causes the buffer to become empty, with BUG_ON triggered in
get_free_grant(). This can be observed even on an idle system, within
20-30 minutes.
We should keep the grants in the buffer when purging, and only free the
grant ref.
Fixes: a46b53672b2c ("xen/blkfront: cleanup stale persistent grants")
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The smatch utility reports a possible leak:
smatch warnings:
drivers/clocksource/timer-atmel-pit.c:183 at91sam926x_pit_dt_init() warn: possible memory leak of 'data'
Ensure data is freed before exiting with an error.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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into drm-fixes
Fix NV12 writeback and fix vblank reset.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Liviu Dudau <Liviu.Dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180921112354.GR936@e110455-lin.cambridge.arm.com
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into drm-fixes
one fix to get a proper DMA configuration in place for the etnaviv
virtual device. I'm sending this as a fix, as a dma-mapping change at
the ARC architecture side during the 4.19 cycle broke etnaviv on this
platform, which gets remedied with this patch, but it also enables
ARM64.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas Stach <l.stach@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/ea1f712bf09bf9439c6b092bf2c2bde7bb01cf5e.camel@pengutronix.de
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The debounce value in device tree is in milliseconds but needs to be in
microseconds for mmc_gpiod_request_cd().
Fixes: bfd694d5e21c ("mmc: core: Add tunable delay before detecting card
after card is inserted")
Cc: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Cc: stable@vger.kernel.org # v4.18+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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HP 6730b laptop has an ethernet NIC connected to one of the PCIe root
ports. The root ports themselves are native PCIe hotplug capable. Now,
during boot after PCI devices are scanned the BIOS triggers ACPI bus check
directly to the NIC:
ACPI: \_SB_.PCI0.RP06.NIC_: Bus check in hotplug_event()
It is not clear why it is sending bus check but regardless the ACPI hotplug
notify handler calls enable_slot() directly (instead of going through
acpiphp_check_bridge() as there is no bridge), which ends up handling
special case for non-hotplug bridges with native PCIe hotplug. This
results a crash of some kind but the reporter only sees black screen so it
is hard to figure out the exact spot and what actually happens. Based on
a few fix proposals it was tracked to crash somewhere inside
pci_assign_unassigned_bridge_resources().
In any case we should not really be in that special branch at all because
the ACPI notify happened to a slot that is not a PCI bridge (it is just a
regular PCI device).
Fix this so that we only go to that special branch if we are calling
enable_slot() for a bridge (e.g., the ACPI notification was for the
bridge).
Link: https://bugzilla.kernel.org/show_bug.cgi?id=201127
Fixes: 84c8b58ed3ad ("ACPI / hotplug / PCI: Don't scan bridges managed by native hotplug")
Reported-by: Peter Anemone <peter.anemone@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
CC: stable@vger.kernel.org # v4.18+
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Replace "fall though" with a proper "fall through" annotation.
This fix is part of the ongoing efforts to enabling
-Wimplicit-fallthrough
Addresses-Coverity-ID: 402013 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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In some setups restoring the BGRT logo is undesirable, allow passing
video=efifb:nobgrt on the kernel commandline to disable it.
Reported-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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OMAPFB_MEMORY_READ ioctl reads pixels from the LCD's memory and copies
them to a userspace buffer. The code has two issues:
- The user provided width and height could be large enough to overflow
the calculations
- The copy_to_user() can copy uninitialized memory to the userspace,
which might contain sensitive kernel information.
Fix these by limiting the width & height parameters, and only copying
the amount of data that we actually received from the LCD.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reported-by: Jann Horn <jannh@google.com>
Cc: stable@vger.kernel.org
Cc: security@kernel.org
Cc: Will Deacon <will.deacon@arm.com>
Cc: Jann Horn <jannh@google.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Add missing prepare/unprepare operations for fbi->clk,
this fixes following kernel warning:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:874 clk_core_enable+0x2c/0x1b0
Enabling unprepared disp0_clk
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 4.18.0-rc8-00032-g02b43ddd4f21-dirty #25
Hardware name: Marvell MMP2 (Device Tree Support)
[<c010f7cc>] (unwind_backtrace) from [<c010cc6c>] (show_stack+0x10/0x14)
[<c010cc6c>] (show_stack) from [<c011dab4>] (__warn+0xd8/0xf0)
[<c011dab4>] (__warn) from [<c011db10>] (warn_slowpath_fmt+0x44/0x6c)
[<c011db10>] (warn_slowpath_fmt) from [<c043898c>] (clk_core_enable+0x2c/0x1b0)
[<c043898c>] (clk_core_enable) from [<c0439ec8>] (clk_core_enable_lock+0x18/0x2c)
[<c0439ec8>] (clk_core_enable_lock) from [<c0436698>] (pxa168fb_probe+0x464/0x6ac)
[<c0436698>] (pxa168fb_probe) from [<c04779a0>] (platform_drv_probe+0x48/0x94)
[<c04779a0>] (platform_drv_probe) from [<c0475bec>] (driver_probe_device+0x328/0x470)
[<c0475bec>] (driver_probe_device) from [<c0475de4>] (__driver_attach+0xb0/0x124)
[<c0475de4>] (__driver_attach) from [<c0473c38>] (bus_for_each_dev+0x64/0xa0)
[<c0473c38>] (bus_for_each_dev) from [<c0474ee0>] (bus_add_driver+0x1b8/0x230)
[<c0474ee0>] (bus_add_driver) from [<c0476a20>] (driver_register+0xac/0xf0)
[<c0476a20>] (driver_register) from [<c0102dd4>] (do_one_initcall+0xb8/0x1f0)
[<c0102dd4>] (do_one_initcall) from [<c0b010a0>] (kernel_init_freeable+0x294/0x2e0)
[<c0b010a0>] (kernel_init_freeable) from [<c07e9eb8>] (kernel_init+0x8/0x10c)
[<c07e9eb8>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
Exception stack(0xd008bfb0 to 0xd008bff8)
bfa0: 00000000 00000000 00000000 00000000
bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
bfe0: 00000000 00000000 00000000 00000000 00000013 00000000
---[ end trace c0af40f9e2ed7cb4 ]---
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
[b.zolnierkie: enhance patch description a bit]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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We attempt to get fences earlier in the hopes that everything will
already have fences and no callbacks will be needed. If we do succeed
in getting a fence, getting one a second time will result in a duplicate
ref with no unref. This is causing memory leaks in Vulkan applications
that create a lot of fences; playing for a few hours can, apparently,
bring down the system.
Cc: stable@vger.kernel.org
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107899
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180926071703.15257-1-jason.ekstrand@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Joerg writes:
"IOMMU Fixes for Linux v4.19-rc5
Three fixes queued up:
- Warning fix for Rockchip IOMMU where there were IRQ handlers
for offlined hardware.
- Fix for Intel VT-d because recent changes caused boot failures
on some machines because it tried to allocate to much
contiguous memory.
- Fix for AMD IOMMU to handle eMMC devices correctly that appear
as ACPI HID devices."
* tag 'iommu-fixes-v4.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Return devid as alias for ACPI HID devices
iommu/vt-d: Handle memory shortage on pasid table allocation
iommu/rockchip: Free irqs in shutdown handler
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ACPI HID devices do not actually have an alias for
them in the IVRS. But dev_data->alias is still used
for indexing into the IOMMU device table for devices
being handled by the IOMMU. So for ACPI HID devices,
we simply return the corresponding devid as an alias,
as parsed from IVRS table.
Signed-off-by: Arindam Nath <arindam.nath@amd.com>
Fixes: 2bf9a0a12749 ('iommu/amd: Add iommu support for ACPI HID devices')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Signed-off-by: Susobhan Dey <susobhan.dey@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Currently add_modify_gid() for IB link layer has followong issue
in cache update path.
When GID update event occurs, core releases reference to the GID
table without updating its state and/or entry pointer.
CPU-0 CPU-1
------ -----
ib_cache_update() IPoIB ULP
add_modify_gid() [..]
put_gid_entry()
refcnt = 0, but
state = valid,
entry is valid.
(work item is not yet executed).
ipoib_create_ah()
rdma_create_ah()
rdma_get_gid_attr() <--
Tries to acquire gid_attr
which has refcnt = 0.
This is incorrect.
GID entry state and entry pointer is provides the accurate GID enty
state. Such fields must be updated with rwlock to protect against
readers and, such fields must be in sane state before refcount can drop
to zero. Otherwise above race condition can happen leading to
use-after-free situation.
Following backtrace has been observed when cache update for an IB port
is triggered while IPoIB ULP is creating an AH.
Therefore, when updating GID entry, first mark a valid entry as invalid
through state and set the barrier so that no callers can acquired
the GID entry, followed by release reference to it.
refcount_t: increment on 0; use-after-free.
WARNING: CPU: 4 PID: 29106 at lib/refcount.c:153 refcount_inc_checked+0x30/0x50
Workqueue: ib-comp-unb-wq ib_cq_poll_work [ib_core]
RIP: 0010:refcount_inc_checked+0x30/0x50
RSP: 0018:ffff8802ad36f600 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000002 RSI: 0000000000000008 RDI: ffffffff86710100
RBP: ffff8802d6e60a30 R08: ffffed005d67bf8b R09: ffffed005d67bf8b
R10: 0000000000000001 R11: ffffed005d67bf8a R12: ffff88027620cee8
R13: ffff8802d6e60988 R14: ffff8802d6e60a78 R15: 0000000000000202
FS: 0000000000000000(0000) GS:ffff8802eb200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ab35e5c88 CR3: 00000002ce84a000 CR4: 00000000000006e0
IPv6: ADDRCONF(NETDEV_CHANGE): ib1: link becomes ready
Call Trace:
rdma_get_gid_attr+0x220/0x310 [ib_core]
? lock_acquire+0x145/0x3a0
rdma_fill_sgid_attr+0x32c/0x470 [ib_core]
rdma_create_ah+0x89/0x160 [ib_core]
? rdma_fill_sgid_attr+0x470/0x470 [ib_core]
? ipoib_create_ah+0x52/0x260 [ib_ipoib]
ipoib_create_ah+0xf5/0x260 [ib_ipoib]
ipoib_mcast_join_complete+0xbbe/0x2540 [ib_ipoib]
Fixes: b150c3862d21 ("IB/core: Introduce GID entry reference counts")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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There is a copy and paste bug so we accidentally use the RX_ shift when
we're in TX_ mode.
Fixes: bb8b2062aff3 ("fsl/qe: setup clock source for TDM mode")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
(cherry picked from commit 3cb31b634052ed458922e0c8e2b4b093d7fb60b9)
Signed-off-by: Olof Johansson <olof@lixom.net>
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If the qman driver didn't probe, calling qman_alloc_fqid_range,
qman_alloc_pool_range or qman_alloc_cgrid_range (as done in dpaa_eth) will
pass a NULL pointer to gen_pool_alloc, leading to a NULL pointer
dereference.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
(cherry picked from commit f72487a2788aa70c3aee1d0ebd5470de9bac953a)
Signed-off-by: Olof Johansson <olof@lixom.net>
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Upon DEVX object creation the object must be destroyed upon a follows
error flow.
Fixes: 7efce3691d33 ("IB/mlx5: Add obj create and destroy functionality")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Make sure we free struct uverbs_api once we clean the radix tree. It was
allocated by uverbs_alloc_api().
Fixes: 9ed3e5f44772 ("IB/uverbs: Build the specs into a radix tree at runtime")
Reported-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Dan writes:
"libnvdimm/dax for 4.19-rc6
* (2) fixes for the dax error handling updates that were merged for
v4.19-rc1. My mails to Al have been bouncing recently, so I do not have
his ack but the uaccess change is of the trivial / obviously correct
variety. The address_space_operations fixes a regression.
* A filesystem-dax fix to correct the zero page lookup to be compatible
with non-x86 (mips and s390) architectures."
* tag 'libnvdimm-fixes-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
device-dax: Add missing address_space_operations
uaccess: Fix is_source param for check_copy_size() in copy_to_iter_mcsafe()
filesystem-dax: Fix use of zero page
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
James writes:
"SCSI fixes on 20180925
Nine obvious bug fixes mostly in individual drivers. The target fix
is of particular importance because it's CVE related."
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: sd: don't crash the host on invalid commands
scsi: ipr: System hung while dlpar adding primary ipr adapter back
scsi: target: iscsi: Use bin2hex instead of a re-implementation
scsi: target: iscsi: Use hex2bin instead of a re-implementation
scsi: lpfc: Synchronize access to remoteport via rport
scsi: ufs: Disable blk-mq for now
scsi: sd: Contribute to randomness when running rotational device
scsi: ibmvscsis: Ensure partition name is properly NUL terminated
scsi: ibmvscsis: Fix a stringop-overflow warning
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
I wrote:
"USB fixes for 4.19-rc6
Here are some small USB core and driver fixes for reported issues for
4.19-rc6.
The most visible is the oops fix for when the USB core is built into the
kernel that is present in 4.18. Turns out not many people actually do
that so it went unnoticed for a while. The rest is some tiny typec,
musb, and other core fixes.
All have been in linux-next with no reported issues."
* tag 'usb-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: typec: mux: Take care of driver module reference counting
usb: core: safely deal with the dynamic quirk lists
usb: roles: Take care of driver module reference counting
USB: handle NULL config in usb_find_alt_setting()
USB: fix error handling in usb_driver_claim_interface()
USB: remove LPM management from usb_driver_claim_interface()
USB: usbdevfs: restore warning for nonsensical flags
USB: usbdevfs: sanitize flags more
Revert "usb: cdc-wdm: Fix a sleep-in-atomic-context bug in service_outstanding_interrupt()"
usb: musb: dsps: do not disable CPPI41 irq in driver teardown
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
I wrote:
"TTY/Serial driver fixes for 4.19-rc6
Here are a number of small tty and serial driver fixes for reported
issues for 4.19-rc6.
One should hopefully resolve a much-reported issue that syzbot has found
in the tty layer. Although there are still more issues there, getting
this fixed is nice to see finally happen.
All of these have been in linux-next for a while with no reported
issues."
* tag 'tty-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: imx: restore handshaking irq for imx1
tty: vt_ioctl: fix potential Spectre v1
tty: Drop tty->count on tty_reopen() failure
serial: cpm_uart: return immediately from console poll
tty: serial: lpuart: avoid leaking struct tty_struct
serial: mvebu-uart: Fix reporting of effective CSIZE to userspace
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Ingo Molnar
Greg Kroah-Hartman
Nathan Chancellor
Marek Szyprowski
Jens Axboe
Juergen Gross
Dave Airlie
Guoju Fang
Bhawanpreet Lakha
Roman Li
Rex Zhu
Linus Walleij
Thomas Gleixner
Boris Ostrovsky
Alexandre Belloni
Tony Lindgren
Mika Westerberg
Gustavo A. R. Silva
Hans de Goede
Tomi Valkeinen
Lubomir Rintel
Jason Ekstrand
Arindam Nath
Susobhan Dey
Parav Pandit
Zhao Qiang
Yishai Hadas
Mark Bloch
