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linux/drivers/xen
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Juergen Gross 2f69a110e7 xen/xenbus: fix locking 
Commit 060eabe8fbe726 ("xenbus/backend: Protect xenbus callback with
lock") introduced a bug by holding a lock while calling a function
which might schedule.

Fix that by using a semaphore instead.

Fixes: 060eabe8fbe726 ("xenbus/backend: Protect xenbus callback with lock")
Signed-off-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20200305100323.16736-1-jgross@suse.com
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2020-03-05 09:42:23 -06:00
..
events
xen/events: remove event handling recursion detection
2019-12-02 07:04:30 +01:00
xen-pciback
xen: Replace zero-length array with flexible-array member
2020-03-05 09:41:58 -06:00
xenbus
xen/xenbus: fix locking
2020-03-05 09:42:23 -06:00
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
xen: rename dom0_op to platform_op
2015-12-21 14:40:55 +00:00
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 v5.5-rc2
2019-12-15 12:24:44 -08:00
biomerge.c
block: pass page to xen_biovec_phys_mergeable
2019-04-01 12:11:13 -06:00
cpu_hotplug.c
xen, cpu_hotplug: Prevent an out of bounds access
2019-03-08 17:58:14 +01:00
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/events: fix binding user event channels to cpus
2019-07-17 08:09:57 +02:00
features.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
gntalloc.c
mm: treewide: remove GFP_TEMPORARY allocation flag
2017-09-13 18:53:16 -07:00
gntdev-common.h
xen/gntdev: replace global limit of mapped pages by limit per call
2019-12-02 07:39:18 +01:00
gntdev-dmabuf.c
drm-misc-next for v5.6:
2019-12-17 13:57:54 +01:00
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: Do not use mm notifiers with autotranslating guests
2020-01-28 12:22:48 -06:00
grant-table.c
xen/grant-table: remove multiple BUG_ON on gnttab_interface
2019-12-20 13:54:56 +01:00
Kconfig
xen: Fix Kconfig indentation
2019-11-24 11:55:31 +01:00
Makefile
xen: remove tmem driver
2019-07-17 08:09:58 +02:00
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
xen: rename dom0_op to platform_op
2015-12-21 14:40:55 +00:00
platform-pci.c
xen-platform: Convert to generic power management
2019-11-20 17:35:03 -06:00
preempt.c
xen: branch for v5.6-rc3
2020-02-21 16:10:10 -08:00
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: avoid link error on ARM
2019-07-31 08:14:12 +02:00
privcmd.h
xen: add new hypercall buffer mapping device
2018-06-22 08:26:42 +02:00
pvcalls-back.c
net: add {READ|WRITE}_ONCE() annotations on ->rskq_accept_head
2019-10-09 21:34:31 -07:00
pvcalls-front.c
xen: fixes for 5.2-rc3
2019-05-31 10:53:34 -07:00
pvcalls-front.h
xen: fix poll misannotation
2018-02-01 10:07:32 -05:00
swiotlb-xen.c
dma-direct: exclude dma_direct_map_resource from the min_low_pfn check
2019-11-20 20:31:41 +01:00
sys-hypervisor.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
time.c
x86/paravirt: Use a single ops structure
2018-09-03 16:50:35 +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: Replace GPLv2 boilerplate/reference with SPDX - rule 12
2019-05-21 11:28:45 +02:00
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
xen: fixes and features for 5.1-rc1
2019-03-11 17:08:14 -07:00
xen-stub.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 12
2019-05-21 11:28:45 +02:00
xlate_mmu.c
xen: avoid link error on ARM
2019-07-31 08:14:12 +02:00