WSL2-Linux-Kernel/Documentation
Radim Krčmář fe2a3027e7 KVM: x86: fix backward migration with async_PF
Guests on new hypersiors might set KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT
bit when enabling async_PF, but this bit is reserved on old hypervisors,
which results in a failure upon migration.

To avoid breaking different cases, we are checking for CPUID feature bit
before enabling the feature and nothing else.

Fixes: 52a5c155cf ("KVM: async_pf: Let guest support delivery of async_pf from guest mode")
Cc: <stable@vger.kernel.org>
Reviewed-by: Wanpeng Li <wanpengli@tencent.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-24 01:43:48 +01:00
..
ABI platform-drivers-x86 for v4.16-1 2018-02-06 15:30:52 -08:00
EDID
PCI
RCU
accelerators ocxl: Documentation 2018-01-27 20:02:24 +11:00
accounting
acpi
admin-guide More ACPI updates for v4.16-rc1 2018-02-09 09:44:25 -08:00
aoe
arm
arm64 arm64 updates for 4.16: 2018-01-30 13:57:43 -08:00
auxdisplay
backlight
blackfin
block
blockdev
bpf bpf: add documentation to compare clang "-target bpf" and default target 2018-02-02 11:14:19 +01:00
bus-devices
cdrom
cgroup-v1 Documentation: Fix 'file_mapped' -> 'mapped_file' 2018-01-30 09:52:11 -08:00
cma
connector
console
core-api idr: Add documentation 2018-02-06 16:41:29 -05:00
cpu-freq cpufreq: Add and use cpufreq_for_each_{valid_,}entry_idx() 2018-02-08 10:21:39 +01:00
cpuidle
cris
crypto
dev-tools
device-mapper dm cache: Documentation: update default migration_throttling value 2018-01-30 16:55:47 -05:00
devicetree IOMMU Updates for Linux v4.16 2018-02-08 12:03:54 -08:00
doc-guide
driver-api s390/docs: reword airq section 2018-02-02 10:47:15 +01:00
driver-model
early-userspace
extcon
fault-injection Documentation updates for 4.16. New stuff includes refcount_t 2018-01-31 19:25:25 -08:00
fb
features Xtensa improvements for v4.16: 2018-01-29 16:40:28 -08:00
filesystems afs: Support the AFS dynamic root 2018-02-06 14:43:37 +00:00
firmware_class
fmc
fpga
frv
gpio Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2018-02-01 10:49:58 -08:00
gpu
hid
hwmon
i2c Merge branch 'i2c/for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2018-02-04 10:57:43 -08:00
ia64
ide
iio
infiniband IB: Update references to libibverbs 2018-02-04 11:56:49 -05:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2018-02-01 10:49:58 -08:00
ioctl ocxl: Documentation 2018-01-27 20:02:24 +11:00
isdn
kbuild Documentation updates for 4.16. New stuff includes refcount_t 2018-01-31 19:25:25 -08:00
kdump
kernel-hacking
laptops
leds
lightnvm
livepatch
locking
m68k
maintainer
md
media
memory-devices
metag
mic
mips Documentation: mips: Update AU1xxx_IDE Kconfig dependencies 2018-02-01 12:45:35 -07:00
misc-devices
mmc
mn10300
mtd
namespaces
netlabel
networking doc: Change the min default value of tcp_wmem/tcp_rmem. 2018-02-05 10:05:49 -05:00
nfc
nios2
nvdimm
nvmem
openrisc
parisc
pcmcia
perf
phy
platform
power regulator: Changes for v4.16 2018-01-29 11:32:44 -08:00
powerpc
pps
process A few late-arriving fixes, along with Konstantin's PGP document that had 2018-02-07 09:42:59 -08:00
pti
ptp
rapidio
s390
scheduler
scsi
security
serial
sh
sound
sparc
sphinx
sphinx-static
spi
sysctl Documentation/sysctl/user.txt: fix typo 2018-02-06 18:32:48 -08:00
target
thermal
timers
trace
translations Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk 2018-02-01 13:36:15 -08:00
usb Documentation updates for 4.16. New stuff includes refcount_t 2018-01-31 19:25:25 -08:00
userspace-api
virtual KVM: x86: fix backward migration with async_PF 2018-02-24 01:43:48 +01:00
vm Documentation updates for 4.16. New stuff includes refcount_t 2018-01-31 19:25:25 -08:00
w1 Documentation updates for 4.16. New stuff includes refcount_t 2018-01-31 19:25:25 -08:00
watchdog documentation: watchdog: remove documentation of w83697hf_wdt/w83697ug_wdt 2018-02-03 11:09:54 +01:00
wimax
x86 Driver Core updates for 4.16-rc1 2018-02-01 10:00:28 -08:00
xtensa
.gitignore
00-INDEX
Changes
CodingStyle
DMA-API-HOWTO.txt
DMA-API.txt
DMA-ISA-LPC.txt
DMA-attributes.txt
IPMI.txt
IRQ-affinity.txt
IRQ-domain.txt
IRQ.txt
Intel-IOMMU.txt
Makefile
SAK.txt
SM501.txt
SubmittingPatches
atomic_bitops.txt
atomic_t.txt
bcache.txt
bt8xxgpio.txt
btmrvl.txt
bus-virt-phys-mapping.txt
cachetlb.txt
cgroup-v2.txt
circular-buffers.txt
clearing-warn-once.txt
clk.txt
conf.py
cpu-load.txt
cputopology.txt
crc32.txt
dcdbas.txt
debugging-modules.txt
debugging-via-ohci1394.txt
dell_rbu.txt
digsig.txt
docutils.conf
dontdiff
efi-stub.txt
eisa.txt
flexible-arrays.txt
futex-requeue-pi.txt
gcc-plugins.txt
highuid.txt
hw_random.txt
hwspinlock.txt
index.rst
intel_txt.txt
io-mapping.txt
io_ordering.txt
iostats.txt
irqflags-tracing.txt
isa.txt
isapnp.txt
kernel-per-CPU-kthreads.txt
kobject.txt
kprobes.txt
kref.txt
ldm.txt
lockup-watchdogs.txt
logo.gif
logo.txt
lsm.txt
lzo.txt
mailbox.txt
memory-barriers.txt
memory-hotplug.txt
men-chameleon-bus.txt
nommu-mmap.txt
ntb.txt
numastat.txt
padata.txt
parport-lowlevel.txt
percpu-rw-semaphore.txt
phy.txt
pi-futex.txt
pnp.txt
preempt-locking.txt
pwm.txt
rbtree.txt
remoteproc.txt
rfkill.txt
robust-futex-ABI.txt
robust-futexes.txt
rpmsg.txt
rtc.txt
sgi-ioc4.txt
siphash.txt
smsc_ece1099.txt
speculation.txt Documentation: Document array_index_nospec 2018-01-30 21:54:28 +01:00
static-keys.txt
svga.txt
switchtec.txt
sync_file.txt
tee.txt
this_cpu_ops.txt
unaligned-memory-access.txt
vfio-mediated-device.txt
vfio.txt
video-output.txt
xillybus.txt
xz.txt
zorro.txt