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linux/drivers/xen
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Juergen Gross f013371974 xen/events: fix race in evtchn_fifo_unmask() 
Unmasking a fifo event channel can result in unmasking it twice, once
directly in the kernel and once via a hypercall in case the event was
pending.

Fix that by doing the local unmask only if the event is not pending.

This is part of XSA-332.

Cc: stable@vger.kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
2020-10-20 10:21:58 +02:00
..
events
xen/events: fix race in evtchn_fifo_unmask()
2020-10-20 10:21:58 +02:00
xen-pciback
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
xenbus
xen: branch for v5.9-rc4
2020-09-06 09:59:27 -07:00
xenfs
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
acpi.c
…
arm-device.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
balloon.c
xen: branch for v5.9-rc4
2020-09-06 09:59:27 -07:00
biomerge.c
block: pass page to xen_biovec_phys_mergeable
2019-04-01 12:11:13 -06:00
cpu_hotplug.c
xen/cpuhotplug: Fix initial CPU offlining for PV(H) guests
2020-05-21 13:01:45 -05:00
dbgp.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
efi.c
xen/efi: have a common runtime setup function
2019-10-02 10:31:07 -04:00
evtchn.c
xen: Use evtchn_type_t as a type for event channels
2020-04-07 12:12:54 +02:00
features.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
gntalloc.c
…
gntdev-common.h
xen: Use evtchn_type_t as a type for event channels
2020-04-07 12:12:54 +02:00
gntdev-dmabuf.c
xen/gntdev: Fix dmabuf import with non-zero sgt offset
2020-08-13 12:50:22 +02:00
gntdev-dmabuf.h
xen/gntdev: Do not destroy context while dma-bufs are in use
2019-02-18 06:50:03 +01:00
gntdev.c
xen/gntdev.c: Convert get_user_pages*() to pin_user_pages*()
2020-10-04 18:41:33 -05:00
grant-table.c
xen: add helpers to allocate unpopulated memory
2020-09-04 10:00:01 +02:00
Kconfig
xen: branch for v5.9-rc4
2020-09-06 09:59:27 -07:00
Makefile
xen: branch for v5.9-rc4
2020-09-06 09:59:27 -07:00
manage.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
mcelog.c
xen/mcelog: add PPIN to record when available
2019-11-14 10:01:57 +01:00
mem-reservation.c
xen/balloon: add runtime control for scrubbing ballooned out pages
2018-09-14 08:51:10 -04:00
pci.c
xen/pci: reserve MCFG areas earlier
2019-09-12 15:02:55 -04:00
pcpu.c
…
platform-pci.c
xen-platform: Constify dev_pm_ops
2020-05-21 13:00:39 -05:00
privcmd-buf.c
xen/privcmd-buf.c: convert to use vm_map_pages_zero()
2019-05-14 09:47:50 -07:00
privcmd.c
xen: branch for v5.9-rc4
2020-09-06 09:59:27 -07:00
privcmd.h
…
pvcalls-back.c
xen/pvcalls: Make pvcalls_back_global static
2020-05-21 13:06:42 -05:00
pvcalls-front.c
xen: remove redundant initialization of variable ret
2020-10-04 18:41:33 -05:00
pvcalls-front.h
…
swiotlb-xen.c
xen/arm: introduce phys/dma translations in xen_dma_sync_for_*
2020-08-04 07:53:52 +02:00
sys-hypervisor.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
time.c
READ_ONCE: Enforce atomicity for {READ,WRITE}_ONCE() memory accesses
2020-04-16 12:28:07 +01:00
unpopulated-alloc.c
xen: add helpers to allocate unpopulated memory
2020-09-04 10:00:01 +02:00
xen-acpi-cpuhotplug.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 12
2019-05-21 11:28:45 +02:00
xen-acpi-memhotplug.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
xen-acpi-pad.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288
2019-06-05 17:36:37 +02:00
xen-acpi-processor.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288
2019-06-05 17:36:37 +02:00
xen-balloon.c
xen/balloon: Support xend-based toolstack take two
2020-01-22 08:58:16 -06:00
xen-front-pgdir-shbuf.c
xen: Introduce shared buffer helpers for page directory...
2018-12-18 12:15:55 -05:00
xen-scsiback.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
xen-stub.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 12
2019-05-21 11:28:45 +02:00
xlate_mmu.c
xen: add helpers to allocate unpopulated memory
2020-09-04 10:00:01 +02:00