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Alex Williamson 38565c93c8 vfio/pci: Implement ioeventfd thread handler for contended memory lock 
The ioeventfd is called under spinlock with interrupts disabled,
therefore if the memory lock is contended defer code that might
sleep to a thread context.

Fixes: bc93b9ae0151 ("vfio-pci: Avoid recursive read-lock usage")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=209253#c1
Reported-by: Ian Pilcher <arequipeno@gmail.com>
Tested-by: Ian Pilcher <arequipeno@gmail.com>
Tested-by: Justin Gatzen <justin.gatzen@gmail.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2020-11-03 11:07:40 -07:00
..
accessibility
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acpi
Merge branches 'acpi-button' and 'acpi-dock'
2020-10-30 16:31:20 +01:00
amba
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android
task_work: cleanup notification modes
2020-10-17 15:05:30 -06:00
ata
libata-5.10-2020-10-30
2020-10-30 14:51:01 -07:00
atm
…
auxdisplay
…
base
device property: Don't clear secondary pointer for shared primary firmware node
2020-10-27 19:20:03 +01:00
bcma
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block
xsysace: use platform_get_resource() and platform_get_irq_optional()
2020-10-29 08:22:33 -06:00
bluetooth
Bluetooth: btintel: Replace zero-length array with flexible-array member
2020-10-30 16:57:41 -05:00
bus
ARM: SoC-related driver updates
2020-10-24 10:39:22 -07:00
cdrom
…
char
random32: make prandom_u32() output unpredictable
2020-10-24 20:21:57 +02:00
clk
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
clocksource
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
connector
…
counter
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cpufreq
cpufreq: Introduce cpufreq_driver_test_flags()
2020-10-29 14:07:30 +01:00
cpuidle
powerpc updates for 5.10
2020-10-16 12:21:15 -07:00
crypto
s390 updates for the 5.10 merge window
2020-10-16 12:36:38 -07:00
dax
fuse update for 5.10
2020-10-19 14:28:30 -07:00
dca
…
devfreq
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dio
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dma
misc: mic: remove the MIC drivers
2020-10-28 19:12:03 +01:00
dma-buf
dma-mapping updates for 5.10
2020-10-15 14:43:29 -07:00
edac
EFI changes for v5.10:
2020-10-12 13:26:49 -07:00
eisa
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extcon
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firewire
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firmware
ARM SCMI fixes for v5.10
2020-10-26 12:40:02 +01:00
fpga
…
fsi
…
gnss
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gpio
- New Drivers
2020-10-14 15:56:58 -07:00
gpu
- Fix max memory region size calculation (Matt)
2020-10-30 11:54:11 +10:00
greybus
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hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2020-10-23 16:16:31 -07:00
hsi
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hv
Merge branch 'akpm' (patches from Andrew)
2020-10-16 11:31:55 -07:00
hwmon
ARM: SoC platform updates
2020-10-24 10:33:08 -07:00
hwspinlock
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hwtracing
coresight: cti: Initialize dynamic sysfs attributes
2020-10-29 20:10:25 +01:00
i2c
i2c: core: Restore acpi_walk_dep_device_list() getting called after registering the ACPI i2c devs
2020-10-25 13:33:54 +01:00
i3c
* Fix DAA for the pre-reserved address case
2020-10-17 11:01:01 -07:00
ide
block-5.10-2020-10-12
2020-10-13 12:12:44 -07:00
idle
intel_idle: Fix max_cstate for processor models without C-state tables
2020-10-27 19:03:53 +01:00
iio
chrome platform changes for 5.10
2020-10-23 10:54:13 -07:00
infiniband
RDMA/qedr: Fix memory leak in iWARP CM
2020-10-28 09:45:25 -03:00
input
Merge branch 'parisc-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
2020-10-25 10:59:34 -07:00
interconnect
interconnect: qcom: use icc_sync state for sm8[12]50
2020-10-27 16:01:22 +02:00
iommu
IOMMU Fix for Linux v5.10:
2020-10-20 09:35:06 -07:00
ipack
…
irqchip
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
isdn
…
leds
leds: pwm: Remove platform_data support
2020-10-07 12:02:58 +02:00
lightnvm
lightnvm: fix out-of-bounds write to array devices->info[]
2020-10-16 09:28:45 -06:00
macintosh
powerpc updates for 5.10
2020-10-16 12:21:15 -07:00
mailbox
ARM: SoC-related driver updates
2020-10-24 10:39:22 -07:00
mcb
…
md
- Improve DM core's bio splitting to use blk_max_size_offset(). Also
2020-10-14 15:05:38 -07:00
media
dma-mapping updates for 5.10
2020-10-15 14:43:29 -07:00
memory
ARM: SoC-related driver updates
2020-10-24 10:39:22 -07:00
memstick
…
message
scsi: mptfusion: Fix null pointer dereferences in mptscsih_remove()
2020-10-26 16:57:18 -04:00
mfd
- New Drivers
2020-10-14 15:56:58 -07:00
misc
Char/Misc fixes/removals for 5.10-rc2
2020-11-01 10:05:16 -08:00
mmc
MMC host:
2020-10-30 11:04:11 -07:00
most
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mtd
This pull request contains fixes for UBI and UBIFS
2020-10-18 09:56:50 -07:00
mux
…
net
flexible-array member conversion patches for 5.10-rc2
2020-10-31 14:31:28 -07:00
nfc
nfc: remove unneeded break
2020-10-20 10:36:41 -07:00
ntb
Bug fixes for v5.10
2020-10-25 11:12:31 -07:00
nubus
…
nvdimm
mm/memremap_pages: support multiple ranges per invocation
2020-10-13 18:38:28 -07:00
nvme
block-5.10-2020-10-30
2020-10-30 15:02:49 -07:00
nvmem
…
of
dma-mapping: fix 32-bit overflow with CONFIG_ARM_LPAE=n
2020-10-29 16:59:34 +01:00
opp
Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
2020-10-06 12:26:45 +02:00
oprofile
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parisc
dma-mapping: split <linux/dma-mapping.h>
2020-10-06 07:07:03 +02:00
parport
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pci
VFIO updates for v5.10-rc1
2020-10-22 13:00:44 -07:00
pcmcia
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perf
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phy
pci-v5.10-changes
2020-10-22 12:41:00 -07:00
pinctrl
Pin control bulk changes for the v5.10 kernel cycle
2020-10-14 15:25:04 -07:00
platform
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2020-10-23 16:16:31 -07:00
pnp
PNP: fix kernel-doc markups
2020-10-27 19:23:04 +01:00
power
ARM: SoC platform updates
2020-10-24 10:33:08 -07:00
powercap
powercap: Fix typo in Kconfig "Plance" -> "Plane"
2020-10-19 17:40:53 +02:00
pps
…
ps3
…
ptp
…
pwm
ARM: SoC platform updates
2020-10-24 10:33:08 -07:00
rapidio
rapidio: fix the missed put_device() for rio_mport_add_riodev
2020-10-16 11:11:22 -07:00
ras
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regulator
Merge remote-tracking branch 'regulator/for-5.10' into regulator-next
2020-10-05 16:54:56 +01:00
remoteproc
remoteproc updates for v5.10
2020-10-22 12:56:33 -07:00
reset
ARM: SoC-related driver updates
2020-10-24 10:39:22 -07:00
rpmsg
rpmsg updates for 5.10
2020-10-22 12:58:21 -07:00
rtc
RTC for 5.10
2020-10-21 11:22:08 -07:00
s390
s390/ism: fix incorrect system EID
2020-10-26 16:29:14 -07:00
sbus
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scsi
SCSI fixes on 20201030
2020-10-31 12:21:04 -07:00
sfi
…
sh
…
siox
…
slimbus
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soc
soc: ti: ti_sci_pm_domains: check for proper args count in xlate
2020-10-29 22:13:38 +01:00
soundwire
…
spi
ARM: SoC platform updates
2020-10-24 10:33:08 -07:00
spmi
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ssb
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staging
staging: fieldbus: anybuss: jump to correct label in an error path
2020-10-27 13:24:51 +01:00
target
scsi: target: tcmu: Replace zero-length array with flexible-array member
2020-10-29 17:22:59 -05:00
tc
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tee
Reenable kernel login method for kernel TEE client API
2020-10-26 10:55:56 +01:00
thermal
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
thunderbolt
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tty
vt_ioctl: fix GIO_UNIMAP regression
2020-10-28 13:41:17 +01:00
uio
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usb
4 bug fixes for Cadence 3 driver.
2020-10-30 11:46:49 +01:00
vdpa
vhost,vdpa: fixes
2020-10-31 14:41:48 -07:00
vfio
vfio/pci: Implement ioeventfd thread handler for contended memory lock
2020-11-03 11:07:40 -07:00
vhost
vdpa: handle irq bypass register failure case
2020-10-30 04:02:53 -04:00
video
A couple of x86 fixes which missed rc1 due to my stupidity:
2020-10-27 14:39:29 -07:00
virt
virt: vbox: simplify the return expression of vbg_input_open()
2020-10-02 11:36:13 +02:00
virtio
vhost,vdpa,virtio: cleanups, fixes
2020-10-23 11:00:57 -07:00
visorbus
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vlynq
…
vme
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w1
w1: w1_therm: make w1_poll_completion static
2020-10-05 14:49:24 +02:00
watchdog
ARM: SoC platform updates
2020-10-24 10:33:08 -07:00
xen
xen: branch for v5.10-rc1c
2020-10-25 10:55:35 -07:00
zorro
…
Kconfig
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Makefile
…