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Krzysztof Karas c088387ddd drm/i915/gt: Use spin_lock_irqsave() in interruptible context 
spin_lock/unlock() functions used in interrupt contexts could
result in a deadlock, as seen in GitLab issue #13399,
which occurs when interrupt comes in while holding a lock.

Try to remedy the problem by saving irq state before spin lock
acquisition.

v2: add irqs' state save/restore calls to all locks/unlocks in
 signal_irq_work() execution (Maciej)

v3: use with spin_lock_irqsave() in guc_lrc_desc_unpin() instead
 of other lock/unlock calls and add Fixes and Cc tags (Tvrtko);
 change title and commit message

Fixes: 2f2cc53b5f ("drm/i915/guc: Close deregister-context race against CT-loss")
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13399
Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com>
Cc: <stable@vger.kernel.org> # v6.9+
Reviewed-by: Maciej Patelczyk <maciej.patelczyk@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/pusppq5ybyszau2oocboj3mtj5x574gwij323jlclm5zxvimmu@mnfg6odxbpsv
2025-02-13 18:39:29 +01:00
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accel
Merge tag 'mm-nonmm-stable-2025-01-24-23-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-01-26 17:50:53 -08:00
accessibility
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acpi
Merge tag 'mm-hotfixes-stable-2025-02-01-03-56' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-02-01 09:49:20 -08:00
amba
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android
Merge tag 'char-misc-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2025-01-27 16:51:51 -08:00
ata
Merge tag 'ata-6.14-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
2025-01-31 11:07:56 -08:00
atm
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auxdisplay
Merge tag 'auxdisplay-v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-auxdisplay
2025-01-24 08:03:52 -08:00
base
Merge tag 'riscv-for-linus-6.14-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2025-01-31 15:13:25 -08:00
bcma
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block
Merge tag 'block-6.14-20250131' of git://git.kernel.dk/linux
2025-01-31 11:49:30 -08:00
bluetooth
Bluetooth: btnxpuart: Fix glitches seen in dual A2DP streaming
2025-01-29 15:23:49 -05:00
bus
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
cache
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cdrom
treewide: const qualify ctl_tables where applicable
2025-01-28 13:48:37 +01:00
cdx
cdx: disable cdx bus from bus shutdown callback
2025-01-10 15:43:16 +01:00
char
treewide: const qualify ctl_tables where applicable
2025-01-28 13:48:37 +01:00
clk
Merge tag 'mm-stable-2025-01-26-14-59' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-01-26 18:36:23 -08:00
clocksource
hyperv: Switch from hyperv-tlfs.h to hyperv/hvhdk.h
2025-01-10 00:54:21 +00:00
comedi
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connector
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counter
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cpufreq
cpufreq: airoha: Depends on OF
2025-01-29 10:56:11 +01:00
cpuidle
Merge tag 'pm-6.14-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2025-01-30 15:10:34 -08:00
crypto
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
cxl
Merge tag 'cxl-for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
2025-01-29 11:23:22 -08:00
dax
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dca
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devfreq
Merge tag 'devfreq-next-for-6.14' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux
2025-01-13 20:48:34 +01:00
dio
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dma
Merge tag 'dmaengine-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
2025-01-29 14:29:57 -08:00
dma-buf
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dpll
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edac
Merge tag 'x86_misc_for_v6.14_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-01-21 09:38:52 -08:00
eisa
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extcon
Merge tag 'extcon-next-for-6.14' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next
2025-01-12 13:44:27 +01:00
firewire
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
firmware
Merge tag 'sound-fix-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2025-01-31 09:17:02 -08:00
fpga
Merge tag 'fpga-for-6.14-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga into char-misc-next
2025-01-09 10:56:57 +01:00
fsi
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gnss
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gpio
Merge tag 'gpio-fixes-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
2025-01-30 10:19:30 -08:00
gpu
drm/i915/gt: Use spin_lock_irqsave() in interruptible context
2025-02-13 18:39:29 +01:00
greybus
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hid
Merge tag 'pci-v6.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
2025-01-25 16:03:40 -08:00
hsi
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hte
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hv
treewide: const qualify ctl_tables where applicable
2025-01-28 13:48:37 +01:00
hwmon
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
hwspinlock
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hwtracing
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
2025-01-28 09:01:36 -08:00
i2c
Merge tag 'i2c-for-6.14-rc1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2025-01-30 17:43:36 -08:00
i3c
Merge tag 'i3c/for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
2025-01-24 15:48:01 -08:00
idle
Merge tag 'pm-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2025-01-22 11:16:14 -08:00
iio
Merge tag 'iio-fixes-for-6.13b' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
2025-01-16 13:46:08 +01:00
infiniband
Merge tag 'mm-nonmm-stable-2025-01-24-23-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-01-26 17:50:53 -08:00
input
Merge tag 'platform-drivers-x86-v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
2025-01-24 07:18:39 -08:00
interconnect
Merge tag 'icc-6.14-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next
2025-01-16 14:01:40 +01:00
iommu
Merge tag 'hyperv-next-signed-20250123' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2025-01-25 09:22:55 -08:00
ipack
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irqchip
Merge tag 'irq-core-2025-01-21' into loongarch-next
2025-01-25 18:15:32 +08:00
isdn
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leds
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
macintosh
Merge tag 'mm-stable-2025-01-26-14-59' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-01-26 18:36:23 -08:00
mailbox
mailbox: th1520: Fix memory corruption due to incorrect array size
2025-01-18 16:20:55 -06:00
mcb
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md
Merge tag 'block-6.14-20250131' of git://git.kernel.dk/linux
2025-01-31 11:49:30 -08:00
media
Merge tag 'media/v6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2025-02-01 09:15:01 -08:00
memory
Merge tag 'spi-mem-dtr-2' into nand/next
2025-01-15 19:07:39 +01:00
memstick
Merge tag 'char-misc-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2025-01-27 16:51:51 -08:00
message
Merge branch '6.13/scsi-fixes' into 6.14/scsi-staging
2025-01-10 15:20:30 -05:00
mfd
Merge tag 'mfd-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2025-01-22 09:16:02 -08:00
misc
treewide: const qualify ctl_tables where applicable
2025-01-28 13:48:37 +01:00
mmc
Merge tag 'mmc-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
2025-01-22 10:39:17 -08:00
most
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mtd
Merge tag 'block-6.14-20250131' of git://git.kernel.dk/linux
2025-01-31 11:49:30 -08:00
mux
mux: constify mux class
2025-01-10 10:15:04 +01:00
net
Merge tag 'net-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2025-01-30 12:24:20 -08:00
nfc
nfc: mrvl: Don't use "proxy" headers
2025-01-18 17:10:05 -08:00
ntb
PCI: Remove devres from pci_intx()
2025-01-18 14:38:49 -06:00
nubus
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nvdimm
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nvme
block: force noio scope in blk_mq_freeze_queue
2025-01-31 07:20:08 -07:00
nvmem
nvmem: core: improve range check for nvmem_cell_write()
2025-01-10 16:16:48 +01:00
of
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
opp
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
parisc
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parport
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pci
PCI: Restore original INTX_DISABLE bit by pcim_intx()
2025-01-27 12:55:12 -06:00
pcmcia
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peci
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perf
treewide: const qualify ctl_tables where applicable
2025-01-28 13:48:37 +01:00
phy
Merge tag 'phy-for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
2025-01-29 14:32:38 -08:00
pinctrl
Merge tag 'pinctrl-v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
2025-01-24 07:38:50 -08:00
platform
Merge tag 'usb-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2025-01-27 16:29:16 -08:00
pmdomain
pmdomain: airoha: Fix compilation error with Clang-20 and Thumb2 mode
2025-01-21 10:45:24 +01:00
pnp
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power
Merge tag 'for-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
2025-01-27 15:37:16 -08:00
powercap
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pps
pps: clients: gpio: Bypass edge's direction check when not needed
2025-01-10 16:12:33 +01:00
ps3
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ptp
Merge tag 'net-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2025-01-30 12:24:20 -08:00
pwm
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
rapidio
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ras
x86/amd_nb: Move SMN access code to a new amd_node driver
2025-01-08 10:59:44 +01:00
regulator
Merge tag 'regulator-fix-v6.14-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
2025-01-29 11:56:55 -08:00
remoteproc
remoteproc: st: Use syscon_regmap_lookup_by_phandle_args
2025-01-15 10:04:27 -07:00
reset
Merge tag 'soc-drivers-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-01-24 14:56:59 -08:00
rpmsg
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rtc
Merge tag 'rtc-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2025-01-30 17:50:02 -08:00
s390
Merge tag 's390-6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2025-01-30 10:48:17 -08:00
sbus
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scsi
Merge tag 'block-6.14-20250131' of git://git.kernel.dk/linux
2025-01-31 11:49:30 -08:00
sh
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siox
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slimbus
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
soc
Merge tag 'media/v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2025-01-25 15:59:46 -08:00
soundwire
Merge tag 'soundwire-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
2025-01-29 14:38:19 -08:00
spi
Merge tag 'spi-fix-v6.14-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2025-01-24 16:12:12 -08:00
spmi
spmi: hisi-spmi-controller: Drop duplicated OF node assignment in spmi_controller_probe()
2025-01-17 12:58:49 +01:00
ssb
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staging
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
target
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2025-01-26 16:12:44 -08:00
tc
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tee
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thermal
Merge branch 'thermal-intel'
2025-01-20 13:10:15 +01:00
thunderbolt
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
tty
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
ufs
Merge tag 'block-6.14-20250131' of git://git.kernel.dk/linux
2025-01-31 11:49:30 -08:00
uio
Merge tag 'char-misc-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2025-01-27 16:51:51 -08:00
usb
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
vdpa
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2025-01-27 15:26:06 -08:00
vfio
Merge tag 'vfio-v6.14-rc1' of https://github.com/awilliam/linux-vfio
2025-01-28 14:16:46 -08:00
vhost
vhost/net: Set num_buffers for virtio 1.0
2025-01-27 09:39:25 -05:00
video
Merge tag 'fbdev-for-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
2025-01-24 11:32:13 -08:00
virt
Merge tag 'x86_sev_for_v6.14_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-01-21 09:00:31 -08:00
virtio
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2025-01-27 15:26:06 -08:00
w1
Merge tag 'w1-drv-6.14' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/krzk/linux-w1 into char-misc-next
2025-01-09 10:54:19 +01:00
watchdog
Merge tag 'linux-watchdog-6.14-rc1' of git://www.linux-watchdog.org/linux-watchdog
2025-01-25 16:19:10 -08:00
xen
Merge tag 'for-linus-6.14-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2025-01-29 11:39:20 -08:00
zorro
zorro: Constify 'struct bin_attribute'
2025-01-08 18:04:36 +01:00
Kconfig
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Makefile
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