Atomic state needs to be put even if the commit was successful.
Fixes: dba14b27dd ("drm/i915: Reinitialize sink scrambling/TMDS clock ratio on HPD")
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Lyude Paul <lyude@redhat.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190302003349.19189-1-jose.souza@intel.com
(cherry picked from commit a551cd66bc)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Pull thermal soc updates from Eduardo Valentin:
"Specifics:
- mediatek thermal now supports MT8183
- broadcom thermal now supports Stingray
- qoirq now supports multiple sensors
- fixes on different drivers: rcar, tsens, tegra
Some new drivers are still pending further review and I chose to leave
them for the next merge window while still sending this material"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
thermal: rcar_gen3_thermal: Register hwmon sysfs interface
thermal/qcom/tsens-common : fix possible object reference leak
thermal: tegra: add get_trend ops
thermal: tegra: fix memory allocation
thermal: tegra: remove unnecessary warnings
thermal: mediatek: add support for MT8183
dt-bindings: thermal: add binding document for mt8183 thermal controller
thermal: mediatek: add flag for bank selection
thermal: mediatek: add thermal controller offset
thermal: mediatek: add calibration item
thermal: mediatek: add common index of vts settings.
thermal: mediatek: fix register index error
thermal: qoriq: add multiple sensors support
thermal: broadcom: Add Stingray thermal driver
dt-bindings: thermal: Add binding document for SR thermal
If we allocate while iterating the rbtree of active nodes, we may hit
the shrinker and so retire the i915_active, reaping the rbtree. Modifying
the rbtree as we iterate is not good behaviour, so acquire the
i915_active first to keep the tree intact whenever we allocate.
Fixes: a42375af0a ("drm/i915: Release the active tracker tree upon idling")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190208134704.23039-1-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
(cherry picked from commit 312c4ba1bb)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
The downgrade of the fullmodeset into fastset
intel_encoder->update_pipe, in possible scenario, skips the En/Dis-able
DDI. Hence breaks the HDCP state change handling.
We also don't have any hdcp tests in CI, because the shard runs don't
have hdcp capable outputs :-/
So this change fixs it by handling the HDCP state change request at
intel_encoder->update_pipe too along with enable and disable of the DDI.
Fixes: d19f958db2 ("drm/i915: Enable fastset for non-boot modesets.")
v2:
Added commit id that broke the HDCP [Daniel]
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
cc: Hans de Goede <hdegoede@redhat.com>
cc: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1549295080-18353-1-git-send-email-ramalingam.c@intel.com
(cherry picked from commit 634852d1f4)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Pull ibft updates from Konrad Rzeszutek Wilk:
"Two tiny fixes - a missing break, and upgrading the subsystem to use
modern macros"
* 'stable/for-linus-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
iscsi_ibft: use virt_to_phys instead of isa_virt_to_bus
iscsi_ibft: Fix missing break in switch statement
Pull swiotlb updates from Konrad Rzeszutek Wilk:
"Expands the SWIOTLB to have debugfs support (along with bug-fixes),
and a tiny fix"
* 'stable/for-linus-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
swiotlb: drop pointless static qualifier in swiotlb_create_debugfs()
swiotlb: checking whether swiotlb buffer is full with io_tlb_used
swiotlb: add debugfs to track swiotlb buffer usage
swiotlb: fix comment on swiotlb_bounce()
Pull i2c updates from Wolfram Sang:
- the I2C core gained helpers to assist drivers in handling their
suspended state, and drivers were converted to use it
- two new fault-injectors for stress-testing
- bigger refactoring and feature improvements for the ocores,
sh_mobile, and tegra drivers
- platform_data removal for the at24 EEPROM driver
- ... and various improvements and bugfixes all over the subsystem
* 'i2c/for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (69 commits)
i2c: Allow recovery of the initial IRQ by an I2C client device.
i2c: ocores: turn incomplete kdoc into a comment
i2c: designware: Do not allow i2c_dw_xfer() calls while suspended
i2c: tegra: Only display error messages if DMA setup fails
i2c: gpio: fault-injector: add 'inject_panic' injector
i2c: gpio: fault-injector: add 'lose_arbitration' injector
i2c: tegra: remove multi-master support
i2c: tegra: remove master fifo support on tegra186
i2c: tegra: change phrasing, "fallbacking" to "falling back"
i2c: expand minor range when registering chrdev region
i2c: aspeed: Add multi-master use case support
i2c: core-smbus: don't trace smbus_reply data on errors
i2c: ocores: Add support for bus clock via platform data
i2c: ocores: Add support for IO mapper registers.
i2c: ocores: checkpatch fixes
i2c: ocores: add SPDX tag
i2c: ocores: add polling interface
i2c: ocores: do not handle IRQ if IF is not set
i2c: ocores: stop transfer on timeout
i2c: tegra: add i2c interface timing support
...
* at91-reset: add sam9x60 support
* sc27xx: improve capacity logic
* goldfish_battery: enhance driver by adding many new properties
* isp1704: drop platform data and migrate to gpiod
* misc. small fixes and improvements
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Merge tag 'for-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Nothing too fancy in the power-supply subsystem this time. There are
less patches than usual, since I did not have enough time to review
them in time. The good news is, that all patches have been in
linux-next for more than two weeks and there are no complicated
cross-subsystem patchsets this time!
Summary:
- at91-reset: add sam9x60 support
- sc27xx: improve capacity logic
- goldfish_battery: enhance driver by adding many new properties
- isp1704: drop platform data and migrate to gpiod
- misc small fixes and improvements"
* tag 'for-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (25 commits)
power: reset: at91-reset: add support for sam9x60 SoC
dt-bindings: arm: atmel: add new sam9x60 reset controller binding
dt-bindings: arm: atmel: add missing samx7 to reset controller
max17042_battery: fix potential use-after-free on device remove
power: supply: core: Add a field to support battery max voltage
dt-bindings: power: supply: Add voltage-max-design-microvolt property
bq27x00: use cached flags
power: supply: ds2782: fix possible use-after-free on remove
power: supply: bq25890: show max charge current/voltage as configured
power: supply: sc27xx: Fix capacity saving function
power: supply: sc27xx: Fix the incorrect formula when converting capacity to coulomb counter
power: supply: sc27xx: Add one property to read charge voltage
dt-bindings: power: sc27xx: Add one IIO channel to read charge voltage
drivers: power: supply: goldfish_battery: Add support for reading more properties
power: supply: charger-manager: Fix trivial language typos
cpcap-charger: generate events for userspace
power: supply: remove some duplicated includes
power: twl4030: fix a missing check of return value
drivers: power: supply: goldfish_battery: Use tabs for alignment
drivers: power: supply: goldfish_battery: Fix alignment
...
* Fix a use after free error in a certain error situation.
* Fix some flag handling issues in the SSIF (I2C) IPMI driver.
* A bunch of cleanups, spacing issues, converting pr_xxx to dev_xxx,
use standard UUID handling, and some other minor stuff.
* The IPMI code was creating a platform device if none was supplied.
Instead of doing that, have every source that creates an IPMI
device supply a device struct. This fixes several issues,including
a crash in one situation, and cleans things up a bit.
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Merge tag 'for-linus-5.1' of git://github.com/cminyard/linux-ipmi
Pull IPMI updates from Corey Minyard:
"A couple of bug fixes and a bunch of code cleanup:
- Fix a use after free error in a certain error situation.
- Fix some flag handling issues in the SSIF (I2C) IPMI driver.
- A bunch of cleanups, spacing issues, converting pr_xxx to dev_xxx,
use standard UUID handling, and some other minor stuff.
- The IPMI code was creating a platform device if none was supplied.
Instead of doing that, have every source that creates an IPMI
device supply a device struct. This fixes several issues,including
a crash in one situation, and cleans things up a bit"
* tag 'for-linus-5.1' of git://github.com/cminyard/linux-ipmi:
ipmi_si: Potential array underflow in hotmod_handler()
ipmi_si: Remove hacks for adding a dummy platform devices
ipmi_si: Consolidate scanning the platform bus
ipmi_si: Remove hotmod devices on removal and exit
ipmi_si: Remove hardcode IPMI devices by scanning the platform bus
ipmi_si: Switch hotmod to use a platform device
ipmi: Consolidate the adding of platform devices
ipmi_si: Rename addr_type to addr_space to match what it does
ipmi_si: Convert some types into unsigned
ipmi_si: Fix crash when using hard-coded device
ipmi: Use dedicated API for copying a UUID
ipmi: Use defined constant for UUID representation
ipmi:ssif: Change some pr_xxx to dev_xxx calls
ipmi: kcs_bmc: handle devm_kasprintf() failure case
ipmi: Fix return value when a message is truncated
ipmi: clean an indentation issue, remove extraneous space
ipmi: Make the smi watcher be disabled immediately when not needed
ipmi: Fix how the lower layers are told to watch for messages
ipmi: Fix SSIF flag requests
ipmi_si: fix use-after-free of resource->name
Pull RAS updates from Borislav Petkov:
"This time around we have in store:
- Disable MC4_MISC thresholding banks on all AMD family 0x15 models
(Shirish S)
- AMD MCE error descriptions update and error decode improvements
(Yazen Ghannam)
- The usual smaller conversions and fixes"
* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Improve error message when kernel cannot recover, p2
EDAC/mce_amd: Decode MCA_STATUS in bit definition order
EDAC/mce_amd: Decode MCA_STATUS[Scrub] bit
EDAC, mce_amd: Print ExtErrorCode and description on a single line
EDAC, mce_amd: Match error descriptions to latest documentation
x86/MCE/AMD, EDAC/mce_amd: Add new error descriptions for some SMCA bank types
x86/MCE/AMD, EDAC/mce_amd: Add new McaTypes for CS, PSP, and SMU units
x86/MCE/AMD, EDAC/mce_amd: Add new MP5, NBIO, and PCIE SMCA bank types
RAS: Add a MAINTAINERS entry
RAS: Use consistent types for UUIDs
x86/MCE/AMD: Carve out the MC4_MISC thresholding quirk
x86/MCE/AMD: Turn off MC4_MISC thresholding on all family 0x15 models
x86/MCE: Switch to use the new generic UUID API
Commit f7c90c2aa4 ("x86/xen: don't write ptes directly in 32-bit
PV guests") introduced a regression for booting dom0 on huge systems
with lots of RAM (in the TB range).
Reason is that on those hosts the p2m list needs to be moved early in
the boot process and this requires temporary page tables to be created.
Said commit modified xen_set_pte_init() to use a hypercall for writing
a PTE, but this requires the page table being in the direct mapped
area, which is not the case for the temporary page tables used in
xen_relocate_p2m().
As the page tables are completely written before being linked to the
actual address space instead of set_pte() a plain write to memory can
be used in xen_relocate_p2m().
Fixes: f7c90c2aa4 ("x86/xen: don't write ptes directly in 32-bit PV guests")
Cc: stable@vger.kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
* New i10nm EDAC driver for Intel 10nm CPUs (Qiuxu Zhuo and Tony Luck)
* Altera SDRAM functionality carveout for separate enablement of RAS and
SDRAM capabilities on some Altera chips. (Thor Thayer)
* The usual round of cleanups and fixes
Last but not least:
* Recruit James Morse as a reviewer for the ARM side
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Merge tag 'edac_for_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC updates from Borislav Petkov:
- A new EDAC AST 2500 SoC driver (Stefan M Schaeckeler)
- New i10nm EDAC driver for Intel 10nm CPUs (Qiuxu Zhuo and Tony Luck)
- Altera SDRAM functionality carveout for separate enablement of RAS
and SDRAM capabilities on some Altera chips. (Thor Thayer)
- The usual round of cleanups and fixes
And last but not least: recruit James Morse as a reviewer for the ARM
side.
* tag 'edac_for_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC/altera: Add separate SDRAM EDAC config
EDAC, altera: Add missing of_node_put()
EDAC, skx_common: Add code to recognise new compound error code
EDAC, i10nm: Fix randconfig builds
EDAC, i10nm: Add a driver for Intel 10nm server processors
EDAC, skx_edac: Delete duplicated code
EDAC, skx_common: Separate common code out from skx_edac
EDAC: Do not check return value of debugfs_create() functions
EDAC: Add James Morse as a reviewer
dt-bindings, EDAC: Add Aspeed AST2500
EDAC, aspeed: Add an Aspeed AST2500 EDAC driver
Pull HID updates from Jiri Kosina:
- support for Pro Pen slim, from Jason Gerecke
- power management improvements to Intel-ISH driver, from Song Hongyan
- UCLogic driver revamp in order to be able to support wider range of
Huion tablets, from Nikolai Kondrashov
- Asus Transbook support, from NOGUCHI Hiroshi
- other assorted small bugfixes / cleanups and device ID additions
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (46 commits)
HID: Remove Waltop tablets from hid_have_special_driver
HID: Remove KYE tablets from hid_have_special_driver
HID: Remove hid-uclogic entries from hid_have_special_driver
HID: uclogic: Do not initialize non-USB devices
HID: uclogic: Add support for Ugee G5
HID: uclogic: Support Gray-coded rotary encoders
HID: uclogic: Support faking Wacom pad device ID
HID: uclogic: Add support for XP-Pen Deco 01
HID: uclogic: Add support for XP-Pen Star G640
HID: uclogic: Add support for XP-Pen Star G540
HID: uclogic: Add support for Ugee EX07S frame controls
HID: uclogic: Add support for Ugee M540
HID: uclogic: Add support for Ugee 2150
HID: uclogic: Support v2 protocol
HID: uclogic: Support fragmented high-res reports
HID: uclogic: Support in-range reporting emulation
HID: uclogic: Designate current protocol v1
HID: uclogic: Re-initialize tablets on resume
HID: uclogic: Extract tablet parameter discovery into a module
HID: uclogic: Extract report descriptors to a module
...
The old field is gone and the register now has a different field,
QRMAXCNT for how many TMU requests get serviced before thread switch.
We were accidentally reducing it from its default of 0x3 (4 requests)
to 0x0 (1).
v2: Skip setting the reg at all on 4.x, instead of trying to update
only the old field.
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190220233658.986-2-eric@anholt.net
Reviewed-by: Dave Emett <david.emett@broadcom.com>
Pull livepatching updates from Jiri Kosina:
- support for something we call 'atomic replace', and allows for much
better handling of cumulative patches (which is something very useful
for distros), from Jason Baron with help of Petr Mladek and Joe
Lawrence
- improvement of handling of tasks blocking finalization, from Miroslav
Benes
- update of MAINTAINERS file to reflect move towards group
maintainership
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching: (22 commits)
livepatch/selftests: use "$@" to preserve argument list
livepatch: Module coming and going callbacks can proceed with all listed patches
livepatch: Proper error handling in the shadow variables selftest
livepatch: return -ENOMEM on ptr_id() allocation failure
livepatch: Introduce klp_for_each_patch macro
livepatch: core: Return EOPNOTSUPP instead of ENOSYS
selftests/livepatch: add DYNAMIC_DEBUG config dependency
livepatch: samples: non static warnings fix
livepatch: update MAINTAINERS
livepatch: Remove signal sysfs attribute
livepatch: Send a fake signal periodically
selftests/livepatch: introduce tests
livepatch: Remove ordering (stacking) of the livepatches
livepatch: Atomic replace and cumulative patches documentation
livepatch: Remove Nop structures when unused
livepatch: Add atomic replace
livepatch: Use lists to manage patches, objects and functions
livepatch: Simplify API by removing registration step
livepatch: Don't block the removal of patches loaded after a forced transition
livepatch: Consolidate klp_free functions
...
The "cpu" variable comes from the sscanf() so Smatch marks it as
untrusted data. We can't pass a higher value than "nr_cpu_ids" to
cpu_possible() or it results in an out of bounds access.
Fixes: d68d82afd4 ("xen: implement CPU hotplugging")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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Merge tag 'drm-next-2019-03-06' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"This is the main drm pull request for the 5.1 merge window.
The big changes I'd highlight are:
- nouveau has HMM support now, there is finally an in-tree user so we
can quieten down the rip it out people.
- i915 now enables fastboot by default on Skylake+
- Displayport Multistream support has been refactored and should
hopefully be more reliable.
Core:
- header cleanups aiming towards removing drmP.h
- dma-buf fence seqnos to 64-bits
- common helper for DP mst hotplug for radeon,i915,amdgpu + new
refcounting scheme
- MST i2c improvements
- drm_syncobj_cb removal
- ARM FB compression fourcc
- P010 + P016 fourcc
- allwinner tiled format modifier
- i2c over aux I2C_M_STOP support
- DRM_AUTH handling fixes
TTM:
- ref/unref renaming
New driver:
- ARM komeda display driver
scheduler:
- refactor mirror list handling
- rework hw fence processing
- 0 run queue entity fix
bridge:
- TI DS90C185 LVDS bridge
- thc631lvdm83d bridge improvements
- cadence + allwinner DSI ported to generic phy
panels:
- Sitronix ST7701 panel
- Kingdisplay KD097D04
- LeMaker BL035-RGB-002
- PDA 91-00156-A0
- Innolux EE101IA-01D
i915:
- Enable fastboot by default on SKL+/VLV/CHV
- Export RPCS configuration for ICL media driver
- Coffelake PCI ID
- CNL clocks setup fixes
- ACPI/PMIC support for MIPI/DSI
- Per-engine WA init for all engines
- Shrinker locking fixes
- Kerneldoc updates
- Lots of ring improvements and reset fixes
- Coffeelake GVT Support
- VFIO GVT EDID Region support
- runtime PM wakeref tracking
- ILK->IVB primary plane enable delays
- userptr mutex locking fixes
- DSI fixes
- LVDS/TV cleanups
- HW readout fixes
- LUT robustness fixes
- ICL display and watermark fixes
- gem mmap race fix
amdgpu:
- add scheduled dependencies interface
- DCC on scanout surfaces
- vega10/20 BACO support
- Multiple IH rings on soc15
- XGMI locking fixes
- DC i2c/aux cleanups
- runtime SMU debug interface
- Kexec improvmeents
- SR-IOV fixes
- DC freesync + ABM fixes
- GDS fixes
- GPUVM fixes
- vega20 PCIE DPM switching fixes
- Context priority handling fixes
radeon:
- fix missing break in evergreen parser
nouveau:
- SVM support via HMM
msm:
- QCOM Compressed modifier support
exynos:
- s5pv210 rotator support
imx:
- zpos property support
- pending update fixes
v3d:
- cache flush improvments
vc4:
- reflection support
- HDMI overscan support
tegra:
- CEC refactoring
- HDMI audio fixes
- Tegra186 prep work
- SOR crossbar device tree fixes
sun4i:
- implicit fencing support
- YUV and scalar support improvements
- A23 support
- tiling fixes
atmel-hlcdc:
- clipping and rotation property fixes
qxl:
- BO and PRIME improvements
- generic fbdev emulation
dw-hdmi:
- HDMI 2.0 2160p
- YUV420 ouput
rockchip:
- implicit fencing support
- reflection proerties
virtio-gpu:
- use generic fbdev emulation
tilcdc:
- cpufreq vs crtc init fix
rcar-du:
- R8A774C0 support
- D3/E3 RGB output routing fixes and DPAD0 support
- RA87744 LVDS support
bochs:
- atomic and generic fbdev emulation
- ID mismatch error on bochs load
meson:
- remove firmware fbs"
* tag 'drm-next-2019-03-06' of git://anongit.freedesktop.org/drm/drm: (1130 commits)
drm/amd/display: Use vrr friendly pageflip throttling in DC.
drm/imx: only send commit done event when all state has been applied
drm/imx: allow building under COMPILE_TEST
drm/imx: imx-tve: depend on COMMON_CLK
drm/imx: ipuv3-plane: add zpos property
drm/imx: ipuv3-plane: add function to query atomic update status
gpu: ipu-v3: prg: add function to get channel configure status
gpu: ipu-v3: pre: add double buffer status readback
drm/amdgpu: Bump amdgpu version for context priority override.
drm/amdgpu/powerplay: fix typo in BACO header guards
drm/amdgpu/powerplay: fix return codes in BACO code
drm/amdgpu: add missing license on baco files
drm/bochs: Fix the ID mismatch error
drm/nouveau/dmem: use dma addresses during migration copies
drm/nouveau/dmem: use physical vram addresses during migration copies
drm/nouveau/dmem: extend copy function to allow direct use of physical addresses
drm/nouveau/svm: new ioctl to migrate process memory to GPU memory
drm/nouveau/dmem: device memory helpers for SVM
drm/nouveau/svm: initial support for shared virtual memory
drm/nouveau: prepare for enabling svm with existing userspace interfaces
...
The abort path can cause a double-free of an anonymous set.
Added-and-to-be-aborted rule looks like this:
udp dport { 137, 138 } drop
The to-be-aborted transaction list looks like this:
newset
newsetelem
newsetelem
rule
This gets walked in reverse order, so first pass disables the rule, the
set elements, then the set.
After synchronize_rcu(), we then destroy those in same order: rule, set
element, set element, newset.
Problem is that the anonymous set has already been bound to the rule, so
the rule (lookup expression destructor) already frees the set, when then
cause use-after-free when trying to delete the elements from this set,
then try to free the set again when handling the newset expression.
Rule releases the bound set in first place from the abort path, this
causes the use-after-free on set element removal when undoing the new
element transactions. To handle this, skip new element transaction if
set is bound from the abort path.
This is still causes the use-after-free on set element removal. To
handle this, remove transaction from the list when the set is already
bound.
Joint work with Florian Westphal.
Fixes: f6ac858589 ("netfilter: nf_tables: unbind set in rule from commit path")
Bugzilla: https://bugzilla.netfilter.org/show_bug.cgi?id=1325
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Otherwise, we get notifier list corruption.
This is the most simple fix: remove the device notifier call chain
from the ipv6 masquerade register function and handle it only
in the ipv4 version.
The better fix is merge
nf_nat_masquerade_ipv4/6_(un)register_notifier
into a single
nf_nat_masquerade_(un)register_notifiers
but to do this its needed to first merge the two masquerade modules
into a single xt_MASQUERADE.
Furthermore, we need to use different refcounts for ipv4/ipv6
until we can merge MASQUERADE.
Fixes: d1aca8ab31 ("netfilter: nat: merge ipv4 and ipv6 masquerade functionality")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Mark Syms has reported seeing tasks that are stuck waiting in
find_insert_glock. It turns out that struct lm_lockname contains four padding
bytes on 64-bit architectures that function glock_waitqueue doesn't skip when
hashing the glock name. As a result, we can end up waking up the wrong
waitqueue, and the waiting tasks may be stuck forever.
Fix that by using ht_parms.key_len instead of sizeof(struct lm_lockname) for
the key length.
Reported-by: Mark Syms <mark.syms@citrix.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
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Merge tag 'topic/hdr-formats-2019-03-07' of git://anongit.freedesktop.org/drm/drm-misc into drm-misc-next
Add support for Y21x and Y41x to drm core and i915, and P01x support to i915.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f2485309-d645-bed4-95f4-e66ff312aa05@linux.intel.com
Introduce a mutex to start locking the HW contexts independently of
struct_mutex, with a view to reducing the coarse struct_mutex. The
intel_context.pin_mutex is used to guard the transition to and from being
pinned on the gpu, and so is required before starting to build any
request. The intel_context will then remain pinned until the request
completes, but the mutex can be released immediately unpin completion of
pinning the context.
A slight variant of the above is used by per-context sseu that wants to
inspect the pinned status of the context, and requires that it remains
stable (either !pinned or pinned) across its operation. By using the
pin_mutex to serialise operations while pin_count==0, we can take that
pin_mutex for stabilise the boolean pin status.
v2: for Tvrtko!
* Improved commit message.
* Dropped _gpu suffix from gen8_modify_rpcs_gpu.
v3: Repair the locking for sseu selftests
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308132522.21573-7-chris@chris-wilson.co.uk
Each engine acquires a pin on the kernel contexts (normal and preempt)
so that the logical state is always available on demand. Keep track of
each engines pin by storing the returned pointer on the engine for quick
access.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308132522.21573-6-chris@chris-wilson.co.uk
Push the intel_context pin callback down from intel_engine_cs onto the
context itself by virtue of having a central caller for
intel_context_pin() being able to lookup the intel_context itself.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308132522.21573-5-chris@chris-wilson.co.uk
In preparation for an ever growing number of engines and so ever
increasing static array of HW contexts within the GEM context, move the
array over to an rbtree, allocated upon first use.
Unfortunately, this imposes an rbtree lookup at a few frequent callsites,
but we should be able to mitigate those by moving over to using the HW
context as our primary type and so only incur the lookup on the boundary
with the user GEM context and engines.
v2: Check for no HW context in guc_stage_desc_init
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308132522.21573-4-chris@chris-wilson.co.uk
If we place a pointer to the engine specific intel_context_ops in the
engine itself, we can assign the ops pointer on initialising the
context, and then rely on it being set. This simplifies the code in
later patches.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308132522.21573-3-chris@chris-wilson.co.uk
This complex struct pulling in half the driver deserves its own
isolation in preparation for intel_context becoming an outright
complicated class of its own.
In order to split this beast into its own header also requests splitting
several of its dependent types and their dependencies into their own
headers as well.
v2: Add standalone compilation tests
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308132522.21573-2-chris@chris-wilson.co.uk
Tony notes that the GPIO module does not idle when level interrupts are
in use, as the wakeup appears to get stuck.
After extensive investigation, it appears that the wakeup will only be
cleared if the interrupt status register is cleared while the interrupt
is enabled. However, we are currently clearing it with the interrupt
disabled for level-based interrupts.
It is acknowledged that this observed behaviour conflicts with a
statement in the TRM:
CAUTION
After servicing the interrupt, the status bit in the interrupt status
register (GPIOi.GPIO_IRQSTATUS_0 or GPIOi.GPIO_IRQSTATUS_1) must be
reset and the interrupt line released (by setting the corresponding
bit of the interrupt status register to 1) before enabling an
interrupt for the GPIO channel in the interrupt-enable register
(GPIOi.GPIO_IRQSTATUS_SET_0 or GPIOi.GPIO_IRQSTATUS_SET_1) to prevent
the occurrence of unexpected interrupts when enabling an interrupt
for the GPIO channel.
However, this does not appear to be a practical problem.
Further, as reported by Grygorii Strashko <grygorii.strashko@ti.com>,
the TI Android kernel tree has an earlier similar patch as "GPIO: OMAP:
Fix the sequence to clear the IRQ status" saying:
if the status is cleared after disabling the IRQ then sWAKEUP will not
be cleared and gates the module transition
When we unmask the level interrupt after the interrupt has been handled,
enable the interrupt and only then clear the interrupt. If the interrupt
is still pending, the hardware will re-assert the interrupt status.
Should the caution note in the TRM prove to be a problem, we could
use a clear-enable-clear sequence instead.
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Keerthy <j-keerthy@ti.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
[tony@atomide.com: updated comments based on an earlier TI patch]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Current amd_fch_gpio_direction_output implementation ignores the value
argument, fix it so direction_output will set proper output level.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Enrico Weigelt <info@metux.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The driver was newly introduced but the version that got merged
produces a harmless compiler warning:
drivers/platform/x86/pcengines-apuv2.c: In function 'apu_board_init':
drivers/platform/x86/pcengines-apuv2.c:211:6: error: unused variable 'rc' [-Werror=unused-variable]
Remove the evidently useless variable.
Fixes: f8eb0235f6 ("x86: pcengines apuv2 gpio/leds/keys platform driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-By: Enrico Weigelt, metux IT consult <info@metux.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The commit 0cdf21b34e
("gpio: pca953x: set the PCA_PCAL flag also when matching by DT")
introduces a helper macro which tells that chip supports latched interrupts,
but the macro was never used for ACPI or legacy enumeration.
So, make use of it for legacy and ACPI enumeration.
Cc: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
For rcu protected pointers, we'd better add '__rcu' for them.
Once added '__rcu' tag for rcu protected pointer, the sparse tool reports
warnings.
net/xfrm/xfrm_user.c:1198:39: sparse: expected struct sock *sk
net/xfrm/xfrm_user.c:1198:39: sparse: got struct sock [noderef] <asn:4> *nlsk
[...]
So introduce a new wrapper function of nlmsg_unicast to handle type
conversions.
This patch also fixes a direct access of a rcu protected socket.
Fixes: be33690d8fcf("[XFRM]: Fix aevent related crash")
Signed-off-by: Su Yanjun <suyj.fnst@cn.fujitsu.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Currently PINCTRL_IMX8QM and PINCTRL_IMX8QXP will select PINCTRL_IMX_SCU.
However, PINCTRL_IMX_SCU may not be valid due to it depends on IMX_MBOX.
Then we may meet the following link errors:
ld: drivers/pinctrl/freescale/pinctrl-scu.o: in function `imx_pinctrl_sc_ipc_init':
pinctrl-scu.c:(.text+0x10): undefined reference to `imx_scu_get_handle'
ld: pinctrl-scu.c:(.text+0x10): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `imx_scu_get_handle'
ld: drivers/pinctrl/freescale/pinctrl-scu.o: in function `imx_pinconf_get_scu':
pinctrl-scu.c:(.text+0xa0): undefined reference to `imx_scu_call_rpc'
ld: pinctrl-scu.c:(.text+0xa0): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `imx_scu_call_rpc'
ld: drivers/pinctrl/freescale/pinctrl-scu.o: in function `imx_pinconf_set_scu':
pinctrl-scu.c:(.text+0x1b4): undefined reference to `imx_scu_call_rpc'
ld: pinctrl-scu.c:(.text+0x1b4): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `imx_scu_call_rpc'
ld: drivers/pinctrl/freescale/pinctrl-imx8qxp.o: in function `imx8qxp_pinctrl_probe':
pinctrl-imx8qxp.c:(.text+0x28): undefined reference to `imx_pinctrl_probe'
ld: pinctrl-imx8qxp.c:(.text+0x28): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `imx_pinctrl_probe'
Rework so that PINCTRL_IMX8QM and PINCTRL_IMX8QXP depends on IMX_SCU
as well in case they're wrongly enabled.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Set pp_div field of struct pps_registers to INVALID_MMIO_REG when the
register isn't there, and use i915_mmio_reg_valid() instead of repeating
the condition all over the place.
Use INVALID_MMIO_REG explicitly for documentation purposes, even if the
value is unchanged from 0.
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190305135215.29862-2-jani.nikula@intel.com
PPS locking is a thing on pre-DDI, up to and including CPT and PPT.
The PPS divisor register exists up to gen 9 BC, replaced by a field in
the control register starting from gen 9 LP, i.e. BXT, GLK, and CNP on.
Commit b0a08bec96 ("drm/i915/bxt: eDP Panel Power sequencing") stopped
using the divisor register, but inadvertently conflated the PPS unlock
in the change. No longer doing the unlocking was the right thing to do,
however we should've stopped already at LPT (or DDI platforms).
Deconflate the two.
Arguably this could be moved away from here altogether, but this is the
minimally intrusive change for now.
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190305135215.29862-1-jani.nikula@intel.com
We can no longer assume execution ordering, and in particular we cannot
assume which context will execute last. One side-effect of this is that
we cannot determine if the kernel-context is resident on the GPU, so
remove the routines that claimed to do so.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308093657.8640-4-chris@chris-wilson.co.uk
Currently we assume that we know the order in which requests run and so
can determine if we need to reissue a switch-to-kernel-context prior to
idling. That assumption does not hold for the future, so instead of
tracking which barriers have been used, simply determine if we have ever
switched away from the kernel context by using the engine and before
idling ensure that all engines that have been used since the last idle
are synchronously switched back to the kernel context for safety (and
else of shrinking memory while idle).
v2: Use intel_engine_mask_t and ALL_ENGINES
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308093657.8640-3-chris@chris-wilson.co.uk
We load a context (the kernel context) on both module load and resume in
order to initialise some logical state onto the GPU. We can use the same
routine for both operations, which will become more useful as we
refactor rc6/rps enabling.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308093657.8640-2-chris@chris-wilson.co.uk
When the system idles, we switch to the kernel context as a defensive
measure (no users are harmed if the kernel context is lost). Currently,
we issue a switch to kernel context and then come back later to see if
the kernel context is still current and the system is idle. However,
if we are no longer privy to the runqueue ordering, then we have to
relax our assumptions about the logical state of the GPU and the only
way to ensure that the kernel context is currently loaded is by issuing
a request to run after all others, and wait for it to complete all while
preventing anyone else from issuing their own requests.
v2: Pull wedging into switch_to_kernel_context_sync() but only after
waiting (though only for the same short delay) for the active context to
finish.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308093657.8640-1-chris@chris-wilson.co.uk
Pretend that we have only 1 DBuf slice and that 1 slice is always
enabled, until we have a proper way for on-demand toggling of the second
slice. Currently we'll try to incorrectly enable DBuf even when all
pipes are disabled and we are already runtime suspended (as the computed
number of DBuf slices will be 1 in that case).
This also means we'll leave the second slice enabled redundantly (except
when suspended), but that's an acceptable tradeoff until we have a
proper solution.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108756
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190307103235.23538-1-imre.deak@intel.com
In esp4_gro_receive() and esp6_gro_receive(), secpath can be allocated
without adding xfrm state to xvec. Then, sp->xvec[sp->len - 1] would
fail and result in dereferencing invalid pointer in esp4_gso_segment()
and esp6_gso_segment(). Reset secpath if xfrm function returns error.
Fixes: 7785bba299 ("esp: Add a software GRO codepath")
Reported-by: syzbot+b69368fd933c6c592f4c@syzkaller.appspotmail.com
Signed-off-by: Myungho Jung <mhjungk@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Merge more updates from Andrew Morton:
- some of the rest of MM
- various misc things
- dynamic-debug updates
- checkpatch
- some epoll speedups
- autofs
- rapidio
- lib/, lib/lzo/ updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (83 commits)
samples/mic/mpssd/mpssd.h: remove duplicate header
kernel/fork.c: remove duplicated include
include/linux/relay.h: fix percpu annotation in struct rchan
arch/nios2/mm/fault.c: remove duplicate include
unicore32: stop printing the virtual memory layout
MAINTAINERS: fix GTA02 entry and mark as orphan
mm: create the new vm_fault_t type
arm, s390, unicore32: remove oneliner wrappers for memblock_alloc()
arch: simplify several early memory allocations
openrisc: simplify pte_alloc_one_kernel()
sh: prefer memblock APIs returning virtual address
microblaze: prefer memblock API returning virtual address
powerpc: prefer memblock APIs returning virtual address
lib/lzo: separate lzo-rle from lzo
lib/lzo: implement run-length encoding
lib/lzo: fast 8-byte copy on arm64
lib/lzo: 64-bit CTZ on arm64
lib/lzo: tidy-up ifdefs
ipc/sem.c: replace kvmalloc/memset with kvzalloc and use struct_size
ipc: annotate implicit fall through
...
