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MCP9808 is not officially compliant to JC-42, similar to MCP9804,
but its registers are compatible to JC-42.
Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Cc: Daniel Baluta <daniel.baluta@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The result of an integer divide by an unsigned is undefined.
This causes unexpected results when writing negative values
into the limit registers.
Maintain the shunt_resistors variables as signed integer to avoid
the problem. Also, for simplicity and ease of use, clamp shunt
resistor value on writes instead of rejecting bad values.
Cc: Andrew F. Davis <afd@ti.com>
Acked-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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trivial fix to spelling mistake in dev_dbg message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This allow us to debug how long take each SMM call and how long is system
frozen in SMM handler.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Some Dell machines (e.g. Dell Precision M3800) have two fans, first with
index=0 and second with index=2. So export also attributes for third fan
device with index=2.
Reported-by: Tolga Cakir <cevelnet@gmail.com>
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Tolga Cakir <cevelnet@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to
simplify the code a bit.
The update_lock mutex is not used, so remove it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to
simplify the code a bit.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to
simplify the code a bit.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for the the INA3221 26v capable, Triple channel,
Bi-Directional, Zero-Drift, Low-/High-Side, Current/Voltage Monitor
with I2C interface.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This driver implements support for the Sensirion SHT3x-DIS chip,
a humidity and temperature sensor. Temperature is measured
in degrees celsius, relative humidity is expressed as a percentage.
In the sysfs interface, all values are scaled by 1000,
i.e. the value for 31.5 degrees celsius is 31500.
Signed-off-by: Pascal Sachs <pascal.sachs@sensirion.com>
[groeck: Fixed 'Variable length array is used' gcc warning]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two straightforward fixes.
One is a concurrency issue only affecting SAS connected SATA drives,
but which could hang the storage subsystem if it triggers (because the
outstanding command count on error never goes back to zero) and the
other is a NO_TAG fallout from the switch to hostwide tags which
causes the system to crash on module insertion (we've checked
carefully and only the 53c700 family of drivers is vulnerable to this
issue)"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
53c700: fix BUG on untagged commands
scsi: fix race between simultaneous decrements of ->host_failed
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Thomas Gleixner:
"A single fix for the fallout from the conversion of MIPS GIC to irq
domains"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/mips-gic: Fix IRQs in gic_dev_domain
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Merge misc fixes from Andrew Morton:
"Two weeks worth of fixes here"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (41 commits)
init/main.c: fix initcall_blacklisted on ia64, ppc64 and parisc64
autofs: don't get stuck in a loop if vfs_write() returns an error
mm/page_owner: avoid null pointer dereference
tools/vm/slabinfo: fix spelling mistake: "Ocurrences" -> "Occurrences"
fs/nilfs2: fix potential underflow in call to crc32_le
oom, suspend: fix oom_reaper vs. oom_killer_disable race
ocfs2: disable BUG assertions in reading blocks
mm, compaction: abort free scanner if split fails
mm: prevent KASAN false positives in kmemleak
mm/hugetlb: clear compound_mapcount when freeing gigantic pages
mm/swap.c: flush lru pvecs on compound page arrival
memcg: css_alloc should return an ERR_PTR value on error
memcg: mem_cgroup_migrate() may be called with irq disabled
hugetlb: fix nr_pmds accounting with shared page tables
Revert "mm: disable fault around on emulated access bit architecture"
Revert "mm: make faultaround produce old ptes"
mailmap: add Boris Brezillon's email
mailmap: add Antoine Tenart's email
mm, sl[au]b: add __GFP_ATOMIC to the GFP reclaim mask
mm: mempool: kasan: don't poot mempool objects in quarantine
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"This is the second batch of queued up rdma patches for this rc cycle.
There isn't anything really major in here. It's passed 0day,
linux-next, and local testing across a wide variety of hardware.
There are still a few known issues to be tracked down, but this should
amount to the vast majority of the rdma RC fixes.
Round two of 4.7 rc fixes:
- A couple minor fixes to the rdma core
- Multiple minor fixes to hfi1
- Multiple minor fixes to mlx4/mlx4
- A few minor fixes to i40iw"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (31 commits)
IB/srpt: Reduce QP buffer size
i40iw: Enable level-1 PBL for fast memory registration
i40iw: Return correct max_fast_reg_page_list_len
i40iw: Correct status check on i40iw_get_pble
i40iw: Correct CQ arming
IB/rdmavt: Correct qp_priv_alloc() return value test
IB/hfi1: Don't zero out qp->s_ack_queue in rvt_reset_qp
IB/hfi1: Fix deadlock with txreq allocation slow path
IB/mlx4: Prevent cross page boundary allocation
IB/mlx4: Fix memory leak if QP creation failed
IB/mlx4: Verify port number in flow steering create flow
IB/mlx4: Fix error flow when sending mads under SRIOV
IB/mlx4: Fix the SQ size of an RC QP
IB/mlx5: Fix wrong naming of port_rcv_data counter
IB/mlx5: Fix post send fence logic
IB/uverbs: Initialize ib_qp_init_attr with zeros
IB/core: Fix false search of the IB_SA_WELL_KNOWN_GUID
IB/core: Fix RoCE v1 multicast join logic issue
IB/core: Fix no default GIDs when netdevice reregisters
IB/hfi1: Send a pkey change event on driver pkey update
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fix from Jiri Kosina:
"hiddev ioctl() validation fix from Scott Bauer"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: hiddev: validate num_values for HIDIOCGUSAGES, HIDIOCSUSAGES commands
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fix from Guenter Roeck:
"Improve fan type detection for dell-smm to prevent kernel hang"
* tag 'hwmon-for-linus-v4.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (dell-smm) Cache fan_type() calls and change fan detection
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Stable-candidate fix for a deadlock in ACPICA introduced during the
4.5 development cycle by a commit attempting to improve the handling
of AML code that doesn't belong to any namespace objects in a given
definition block (Lv Zheng)"
* tag 'acpi-4.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: Namespace: Fix deadlock triggered by MLC support in dynamic table loading
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"Fix for a latent cpufreq driver bug uncovered by a recent ACPICA
change and several fixes for the devfreq framework, including one fix
for an issue introduced recently.
Specifics:
- Fix a latent initialization issue in the pcc-cpufreq driver
(incorrect initial value of a structure field) that has been
uncovered by a recent ACPICA commit (Mike Galbraith).
- Add a missing notification in an update_devfreq() error code path
forgotten by a recent devfreq commit (Chanwoo Choi).
- Fix devfreq device frequency initialization (Lukasz Luba).
- Fix an incorrect IS_ERR() check in the devfreq framework discovered
by the Smatch checker (Dan Carpenter).
- Drop two excessive put_device() calls from the devfreq framework
(MyungJoo Ham, Cai Zhiyong).
- Fix a possible memory leak in the devfreq framework and drop an
unnecessary kfree() invocation from it (MyungJoo Ham)"
* tag 'pm-4.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / devfreq: Send the DEVFREQ_POSTCHANGE notification when target() is failed
cpufreq: pcc-cpufreq: Fix doorbell.access_width
PM / devfreq: fix initialization of current frequency in last status
PM / devfreq: exynos-nocp: Remove incorrect IS_ERR() check
PM / devfreq: remove double put_device
PM / devfreq: fix double call put_device
PM / devfreq: fix duplicated kfree on devfreq pointer
PM / devfreq: devm_kzalloc to have dev pointer more precisely
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen bug fixes from David Vrabel:
- fix x86 PV dom0 crash during early boot on some hardware
- fix two pciback bugs affects certain devices
- fix potential overflow when clearing page tables in x86 PV
* tag 'for-linus-4.7b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen-pciback: return proper values during BAR sizing
x86/xen: avoid m2p lookup when setting early page table entries
xen/pciback: Fix conf_space read/write overlap check.
x86/xen: fix upper bound of pmd loop in xen_cleanhighmap()
xen/balloon: Fix declared-but-not-defined warning
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This is the third version of the patchset previously sent [1]. I have
basically only rebased it on top of 4.7-rc1 tree and dropped "dm: get
rid of superfluous gfp flags" which went through dm tree. I am sending
it now because it is tree wide and chances for conflicts are reduced
considerably when we want to target rc2. I plan to send the next step
and rename the flag and move to a better semantic later during this
release cycle so we will have a new semantic ready for 4.8 merge window
hopefully.
Motivation:
While working on something unrelated I've checked the current usage of
__GFP_REPEAT in the tree. It seems that a majority of the usage is and
always has been bogus because __GFP_REPEAT has always been about costly
high order allocations while we are using it for order-0 or very small
orders very often. It seems that a big pile of them is just a
copy&paste when a code has been adopted from one arch to another.
I think it makes some sense to get rid of them because they are just
making the semantic more unclear. Please note that GFP_REPEAT is
documented as
* __GFP_REPEAT: Try hard to allocate the memory, but the allocation attempt
* _might_ fail. This depends upon the particular VM implementation.
while !costly requests have basically nofail semantic. So one could
reasonably expect that order-0 request with __GFP_REPEAT will not loop
for ever. This is not implemented right now though.
I would like to move on with __GFP_REPEAT and define a better semantic
for it.
$ git grep __GFP_REPEAT origin/master | wc -l
111
$ git grep __GFP_REPEAT | wc -l
36
So we are down to the third after this patch series. The remaining
places really seem to be relying on __GFP_REPEAT due to large allocation
requests. This still needs some double checking which I will do later
after all the simple ones are sorted out.
I am touching a lot of arch specific code here and I hope I got it right
but as a matter of fact I even didn't compile test for some archs as I
do not have cross compiler for them. Patches should be quite trivial to
review for stupid compile mistakes though. The tricky parts are usually
hidden by macro definitions and thats where I would appreciate help from
arch maintainers.
[1] http://lkml.kernel.org/r/1461849846-27209-1-git-send-email-mhocko@kernel.org
This patch (of 19):
__GFP_REPEAT has a rather weak semantic but since it has been introduced
around 2.6.12 it has been ignored for low order allocations. Yet we
have the full kernel tree with its usage for apparently order-0
allocations. This is really confusing because __GFP_REPEAT is
explicitly documented to allow allocation failures which is a weaker
semantic than the current order-0 has (basically nofail).
Let's simply drop __GFP_REPEAT from those places. This would allow to
identify place which really need allocator to retry harder and formulate
a more specific semantic for what the flag is supposed to do actually.
Link: http://lkml.kernel.org/r/1464599699-30131-2-git-send-email-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chen Liqin <liqin.linux@gmail.com>
Cc: Chris Metcalf <cmetcalf@mellanox.com> [for tile]
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jan Kara <jack@suse.cz>
Cc: John Crispin <blogic@openwrt.org>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* pm-devfreq-fixes:
PM / devfreq: Send the DEVFREQ_POSTCHANGE notification when target() is failed
PM / devfreq: fix initialization of current frequency in last status
PM / devfreq: exynos-nocp: Remove incorrect IS_ERR() check
PM / devfreq: remove double put_device
PM / devfreq: fix double call put_device
PM / devfreq: fix duplicated kfree on devfreq pointer
PM / devfreq: devm_kzalloc to have dev pointer more precisely
* pm-cpufreq-fixes:
cpufreq: pcc-cpufreq: Fix doorbell.access_width
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* acpica-fixes:
ACPICA: Namespace: Fix deadlock triggered by MLC support in dynamic table loading
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Reads following writes with all address bits set to 1 should return all
changeable address bits as one, not the BAR size (nor, as was the case
for the upper half of 64-bit BARs, the high half of the region's end
address). Presumably this didn't cause any problems so far because
consumers use the value to calculate the size (usually via val & -val),
and do nothing else with it.
But also consider the exception here: Unimplemented BARs should always
return all zeroes.
And finally, the check for whether to return the sizing address on read
for the ROM BAR should ignore all non-address bits, not just the ROM
Enable one.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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This patch validates the num_values parameter from userland during the
HIDIOCGUSAGES and HIDIOCSUSAGES commands. Previously, if the report id was set
to HID_REPORT_ID_UNKNOWN, we would fail to validate the num_values parameter
leading to a heap overflow.
Cc: stable@vger.kernel.org
Signed-off-by: Scott Bauer <sbauer@plzdonthack.me>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Pull UBI/UBIFS fixes from Richard Weinberger:
"This contains fixes for two critical bugs in UBI and UBIFS:
- fix the possibility of losing data upon a power cut when UBI tries
to recover from a write error
- fix page migration on UBIFS. It turned out that the default page
migration function is not suitable for UBIFS"
* tag 'upstream-4.7-rc5' of git://git.infradead.org/linux-ubifs:
UBIFS: Implement ->migratepage()
mm: Export migrate_page_move_mapping and migrate_page_copy
ubi: Make recover_peb power cut aware
gpio: make library immune to error pointers
gpio: make sure gpiod_to_irq() returns negative on NULL desc
gpio: 104-idi-48: Fix missing spin_lock_init for ack_lock
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"This is the drm fixes tree for 4.7-rc5.
It's a bit larger than normal, due to fixes for production AMD Polaris
GPUs. We only merged support for these in 4.7-rc1 so it would be good
if we got all the fixes into final. The changes don't hit any other
hardware.
Other than the amdgpu Polaris changes:
- A single fix for atomic modesetting WARN
- Nouveau fix for when fbdev is disabled
- i915 fixes for FBC on Haswell and displayport regression
- Exynos fix for a display panel regression and some other minor changes
- Atmel fixes for scaling and OF graph interaction
- Allwiinner build, warning and probing fixes
- AMD GPU non-polaris fix for num_rbs and some minor fixes
Also I've just moved house, and my new place is Internet challenged
due to incompetent incumbent ISPs, hopefully sorted out in a couple of
weeks, so I might not be too responsive over the next while. It also
helps Daniel is on holidays for those couple of weeks as well"
* tag 'drm-fixes-for-v4.7-rc5' of git://people.freedesktop.org/~airlied/linux: (38 commits)
drm/atomic: Make drm_atomic_legacy_backoff reset crtc->acquire_ctx
drm/nouveau: fix for disabled fbdev emulation
drm/i915/fbc: Disable on HSW by default for now
drm/i915: Revert DisplayPort fast link training feature
drm/amd/powerplay: enable clock stretch feature for polaris
drm/amdgpu/gfx8: update golden setting for polaris10
drm/amd/powerplay: enable avfs feature for polaris
drm/amdgpu/atombios: add avfs struct for Polaris10/11
drm/amd/powerplay: add avfs related define for polaris
drm/amd/powrplay: enable stutter_mode for polaris.
drm/amd/powerplay: disable UVD SMU handshake for MCLK.
drm/amd/powerplay: initialize variables which were missed.
drm/amd/powerplay: enable PowerContainment feature for polaris10/11.
drm/amd/powerplay: need to notify system bios pcie device ready
drm/amd/powerplay: fix bug that function parameter was incorect.
drm/amd/powerplay: fix logic error.
drm: atmel-hlcdc: Fix OF graph parsing
drm: atmel-hlcdc: actually disable scaling when no scaling is required
drm/amdgpu: initialize amdgpu_cgs_acpi_eval_object result value
drm/amdgpu: precedence bug in amdgpu_device_init()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fix from Bjorn Helgaas:
"Here's a small fix for v4.7. This problem was actually introduced in
v4.6 when we unified Kconfig, making PCIe support available everywhere
including sparc, where config reads into unaligned buffers cause
warnings. This fix is from Dave Miller.
As a reminder, any future PCI fixes for v4.7 will probably come from
Alex Williamson, since I'll be on vacation for most of the rest of
this cycle. I should be back about the time the merge window opens"
* tag 'pci-v4.7-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Fix unaligned accesses in VC code
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Atomic updates may acquire more state than initially locked through
drm_modeset_lock_crtc, running with heavy stress can cause a
WARN_ON(crtc->acquire_ctx) in drm_modeset_lock_crtc:
[ 601.491296] ------------[ cut here ]------------
[ 601.491366] WARNING: CPU: 0 PID: 2411 at
drivers/gpu/drm/drm_modeset_lock.c:191 drm_modeset_lock_crtc+0xeb/0xf0 [drm]
[ 601.491369] Modules linked in: drm i915 drm_kms_helper
[ 601.491414] CPU: 0 PID: 2411 Comm: kms_cursor_lega Tainted: G U 4.7.0-rc4-patser+ #4798
[ 601.491417] Hardware name: Intel Corporation Skylake Client
[ 601.491420] 0000000000000000 ffff88044d153c98 ffffffff812ead28 0000000000000000
[ 601.491425] 0000000000000000 ffff88044d153cd8 ffffffff810868e6 000000bf58058030
[ 601.491431] ffff880088b415e8 ffff880458058030 ffff88008a271548 ffff88008a271568
[ 601.491436] Call Trace:
[ 601.491443] [<ffffffff812ead28>] dump_stack+0x4d/0x65
[ 601.491447] [<ffffffff810868e6>] __warn+0xc6/0xe0
[ 601.491452] [<ffffffff81086968>] warn_slowpath_null+0x18/0x20
[ 601.491472] [<ffffffffc00d4ffb>] drm_modeset_lock_crtc+0xeb/0xf0 [drm]
[ 601.491491] [<ffffffffc00c5526>] drm_mode_cursor_common+0x66/0x180 [drm]
[ 601.491509] [<ffffffffc00c91cc>] drm_mode_cursor_ioctl+0x3c/0x40 [drm]
[ 601.491524] [<ffffffffc00bc94d>] drm_ioctl+0x14d/0x530 [drm]
[ 601.491540] [<ffffffffc00c9190>] ? drm_mode_setcrtc+0x520/0x520 [drm]
[ 601.491545] [<ffffffff81176aeb>] ? handle_mm_fault+0x106b/0x1430
[ 601.491550] [<ffffffff81108441>] ? stop_one_cpu+0x61/0x70
[ 601.491556] [<ffffffff811bb71d>] do_vfs_ioctl+0x8d/0x570
[ 601.491560] [<ffffffff81290d7e>] ? security_file_ioctl+0x3e/0x60
[ 601.491565] [<ffffffff811bbc74>] SyS_ioctl+0x74/0x80
[ 601.491571] [<ffffffff810e321c>] ? posix_get_monotonic_raw+0xc/0x10
[ 601.491576] [<ffffffff8175b11b>] entry_SYSCALL_64_fastpath+0x13/0x8f
[ 601.491581] ---[ end trace 56f3d3d85f000d00 ]---
For good measure, test mode_config.acquire_ctx too, although this should
never happen.
Testcase: kms_cursor_legacy
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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into drm-fixes
A bit bigger than I would normally like, but most of the large changes are
for polaris support and since polaris went upstream in 4.7, I'd like
to get the fixes in so it's in good shape when the hw becomes available.
The major changes only touch the polaris code so there is little chance
for regressions on other asics. The rest are just the usual collection
of bug fixes.
* 'drm-fixes-4.7' of git://people.freedesktop.org/~agd5f/linux:
drm/amd/powerplay: enable clock stretch feature for polaris
drm/amdgpu/gfx8: update golden setting for polaris10
drm/amd/powerplay: enable avfs feature for polaris
drm/amdgpu/atombios: add avfs struct for Polaris10/11
drm/amd/powerplay: add avfs related define for polaris
drm/amd/powrplay: enable stutter_mode for polaris.
drm/amd/powerplay: disable UVD SMU handshake for MCLK.
drm/amd/powerplay: initialize variables which were missed.
drm/amd/powerplay: enable PowerContainment feature for polaris10/11.
drm/amd/powerplay: need to notify system bios pcie device ready
drm/amd/powerplay: fix bug that function parameter was incorect.
drm/amd/powerplay: fix logic error.
drm/amdgpu: initialize amdgpu_cgs_acpi_eval_object result value
drm/amdgpu: precedence bug in amdgpu_device_init()
drm/amdgpu: fix num_rbs exposed to userspace (v2)
drm/amdgpu: missing bounds check in amdgpu_set_pp_force_state()
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Since HW trigger mode was suppoted we have faced with a issue
that Display panel didn't work correctly when trigger mode was changed
in booting time.
For this, we keep trigger mode with SW trigger mode in default mode
like we did before.
However, we will need to consider PSR(Panel Self Reflash) mode to resolve
this issue fundamentally later.
* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos: use logical AND in exynos_drm_plane_check_size()
drm/exynos: remove superfluous inclusions of fbdev header
drm/exynos: g2d: drop the _REG postfix from the stride defines
drm/exynos: don't use HW trigger for Exynos5420/5422/5800
drm/exynos: fimd: don't set .has_hw_trigger in s3c6400 driver data
drm/exynos: dp: Fix NULL pointer dereference due uninitialized connector
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github.com:bbrezillon/linux-at91 into drm-fixes
Two bug fixes for the atmel-hlcdc driver.
* tag 'drm-atmel-hlcdc-fixes/for-4.7-rc5' of github.com:bbrezillon/linux-at91:
drm: atmel-hlcdc: Fix OF graph parsing
drm: atmel-hlcdc: actually disable scaling when no scaling is required
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-fixes
Allwinner sun4i DRM driver fixes
A bunch of fixes that address:
- Compilation errors in various corner cases
- Move to helpers
- Fix the pixel clock computation
- Fix our panel probe
* tag 'sunxi-drm-fixes-for-4.7' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
drm: sun4i: do cleanup if RGB output init fails
drm/sun4i: Convert to connector register helpers
drm/sun4i: remove simplefb at probe
drm/sun4i: rgb: panel is an error pointer
drm/sun4i: defer only if we didn't find our panel
drm/sun4i: rgb: Validate the clock rate
drm/sun4i: request exact rates to our parents
drm: sun4i: fix probe error handling
drm: sun4i: print DMA address correctly
drm/sun4i: add COMMON_CLK dependency
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git://anongit.freedesktop.org/drm-intel into drm-fixes
Hi Dave, just a couple of display fixes, both stable stuff. Maybe we'll
be able to enable fbc by default one day.
* tag 'drm-intel-fixes-2016-06-22' of git://anongit.freedesktop.org/drm-intel:
drm/i915/fbc: Disable on HSW by default for now
drm/i915: Revert DisplayPort fast link training feature
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* 'linux-4.7' of git://github.com/skeggsb/linux:
drm/nouveau: fix for disabled fbdev emulation
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Hello,
after this commit:
commit f045f459d925138fe7d6193a8c86406bda7e49da
Author: Ben Skeggs <bskeggs@redhat.com>
Date: Thu Jun 2 12:23:31 2016 +1000
drm/nouveau/fbcon: fix out-of-bounds memory accesses
kernel started to oops when loading nouveau module when using GTX 780 Ti
video adapter. This patch fixes the problem.
Bug report: https://bugzilla.kernel.org/show_bug.cgi?id=120591
Signed-off-by: Dmitrii Tcvetkov <demfloro@demfloro.ru>
Suggested-by: Ilia Mirkin <imirkin@alum.mit.edu>
Fixes: f045f459d925 ("nouveau_fbcon_init()")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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This patch sends the DEVFREQ_POSTCHANGE notification when
devfreq->profile->targer() is failed. The PRECHANGE/POSTCHANGE
should be paired.
Fixes: 0fe3a66410a3 (PM / devfreq: Add new DEVFREQ_TRANSITION_NOTIFIER notifier)
Reported-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 920de6ebfab8 (ACPICA: Hardware: Enhance
acpi_hw_validate_register() with access_width/bit_offset awareness)
apparently exposed a latent bug, doorbell.access_width is initialized
to 64, but per Lv Zheng, it should be 4, and indeed, making that
change does bring pcc-cpufreq back to life.
Fixes: 920de6ebfab8 (ACPICA: Hardware: Enhance acpi_hw_validate_register() with access_width/bit_offset awareness)
Suggested-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Mike Galbraith <umgwanakikbuti@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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'mellanox-rc-fixes' into k.o/for-4.7-rc
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The memory needed for the send and receive queues associated with
a QP is proportional to the max_sge parameter. The current value
of that parameter is such that with an mlx4 HCA the QP buffer size
is 8 MB. Since DMA is used for communication between HCA and CPU
that buffer either has to be allocated coherently or map_single()
must succeed for that buffer. Since large contiguous allocations
are fragile and since the maximum segment size for e.g. swiotlb
is 256 KB, reduce the max_sge parameter. This patch avoids that
the following text appears on the console after SRP logout and
relogin on a system equipped with multiple IB HCAs:
mlx4_core 0000:05:00.0: swiotlb buffer is full (sz: 8388608 bytes)
swiotlb: coherent allocation failed for device 0000:05:00.0 size=8388608
CPU: 11 PID: 148 Comm: kworker/11:1 Not tainted 4.7.0-rc4-dbg+ #1
Call Trace:
[<ffffffff812c6d35>] dump_stack+0x67/0x92
[<ffffffff812efe71>] swiotlb_alloc_coherent+0x141/0x150
[<ffffffff810458be>] x86_swiotlb_alloc_coherent+0x3e/0x50
[<ffffffffa03861fa>] mlx4_buf_direct_alloc.isra.5+0x9a/0x120 [mlx4_core]
[<ffffffffa0386545>] mlx4_buf_alloc+0x165/0x1a0 [mlx4_core]
[<ffffffffa035053d>] create_qp_common.isra.29+0x57d/0xff0 [mlx4_ib]
[<ffffffffa03510da>] mlx4_ib_create_qp+0x12a/0x3f0 [mlx4_ib]
[<ffffffffa031154a>] ib_create_qp+0x3a/0x250 [ib_core]
[<ffffffffa055dd4b>] srpt_cm_handler+0x4bb/0xcad [ib_srpt]
[<ffffffffa02c1ab0>] cm_process_work+0x20/0xf0 [ib_cm]
[<ffffffffa02c3640>] cm_work_handler+0x1ac0/0x2059 [ib_cm]
[<ffffffff810737ed>] process_one_work+0x19d/0x490
[<ffffffff81073b29>] worker_thread+0x49/0x490
[<ffffffff8107a0ea>] kthread+0xea/0x100
[<ffffffff815b25af>] ret_from_fork+0x1f/0x40
Fixes: b99f8e4d7bcd ("IB/srpt: convert to the generic RDMA READ/WRITE API")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Laurence Oberman <loberman@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Set the chunk_size to enable level-1 PBL support when the fast memory
page count is more than one.
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Return correct value for max_fast_reg_page_list_len from
i40iw_query_device().
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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i40iw_get_pble returns 0 on success. Correct the check on return
code.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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CQ is armed for solicited events only, ignoring other notification
flags. Correct this by arming for next and arming for solicited
event if IB_CQ_SOLICITED is set. Also protect CQ shadow area update
with spinlock.
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The current drivers return errors from this calldown
wrapped in an ERR_PTR().
The rdmavt code incorrectly tests for NULL.
The code is fixed to use IS_ERR() and change ret according
to the driver return value.
Cc: Stable <stable@vger.kernel.org> # 4.6+
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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Since rvt_reset_qp already zero's out qp->s_ack_queue head and tail
pointers, there is no need to zero out qp->s_ack_queue itself.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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A failure in the get_txreq() inline will result in a
slow path retry using __get_txreq().
__get_txreq() attempts to procure the qp s_lock, which
is already held in all callers.
Fix by deleting the s_lock maintenance in __get_txreq()
and add sparse syntax hooks to future proof the code.
Cc: Stable <stable@vger.kernel.org> # 4.6+
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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Prevent cross page boundary allocation by allocating
new page, this is required to be aligned with ConnectX-3 HW
requirements.
Not doing that might cause to "RDMA read local protection" error.
Fixes: 1b2cd0fc673c ('IB/mlx4: Support the new memory registration API')
Suggested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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When RC, UC, or RAW QPs are created, a qp object is allocated (kzalloc).
If at a later point (in procedure create_qp_common) the qp creation fails,
this qp object must be freed.
Fixes: 1ffeb2eb8be99 ("IB/mlx4: SR-IOV IB context objects and proxy/tunnel SQP support")
Signed-off-by: Dotan Barak <dotanb@dev.mellanox.co.il>
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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In procedure mlx4_ib_create_flow, passing an invalid port number
will cause an out-of-bounds array access. Data passed to this procedure
can come from user-space. Therefore, need to validate port number
before proceeding onwards.
Note that we check against the number of physical ports declared at
the verbs (ib core) level; When bonding is active, the verbs level
sees one physical port, even though the low-level driver sees two ports.
Fixes: f77c0162a339 ("IB/mlx4: Add receive flow steering support")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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