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Marek Marczykowski-Górecki 292f53675e xen/gntdevt: Fix race condition in gntdev_release() 
commit 30b03d05e0 upstream.

While gntdev_release() is called the MMU notifier is still registered
and can traverse priv->maps list even if no pages are mapped (which is
the case -- gntdev_release() is called after all). But
gntdev_release() will clear that list, so make sure that only one of
those things happens at the same time.

Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-08-16 20:51:39 -07:00
..
xen-pciback xen-pciback: limit guest control of command register 2015-03-26 15:00:59 +01:00
xenbus xenbus_client.c: correct exit path for xenbus_map_ring_valloc_hvm 2013-05-29 15:24:55 -04:00
xenfs fs: Limit sys_mount to only request filesystem modules. 2013-03-03 19:36:31 -08:00
acpi.c
balloon.c xen: Fixed assignment error in if statement 2013-05-20 14:14:48 -04:00
biomerge.c
cpu_hotplug.c Xen: properly bound buffer access when parsing cpu/*/availability 2013-01-15 15:57:02 -05:00
dbgp.c xen: dbgp: Fix warning when CONFIG_PCI is not enabled. 2012-10-19 15:19:37 -04:00
events.c xen/events: mask events when changing their VCPU binding 2013-08-29 09:47:35 -07:00
evtchn.c xen/evtchn: avoid a deadlock when unbinding an event channel 2013-08-04 16:51:15 +08:00
fallback.c xen-pciback: notify hypervisor about devices intended to be assigned to guests 2013-03-22 10:20:55 -04:00
features.c
gntalloc.c mm: kill vma flag VM_RESERVED and mm->reserved_vm counter 2012-10-09 16:22:19 +09:00
gntdev.c xen/gntdevt: Fix race condition in gntdev_release() 2015-08-16 20:51:39 -07:00
grant-table.c xen/gnttab: leave lazy MMU mode in the case of a m2p override failure 2013-12-11 22:36:27 -08:00
Kconfig xen/tmem: Remove the usage of '[no|]selfballoon' and use 'tmem.selfballooning' bool instead. 2013-05-15 10:27:49 -04:00
Makefile xen/acpi: ACPI cpu hotplug 2013-02-19 22:02:29 -05:00
manage.c
mcelog.c xen/mce: add .poll method for mcelog device driver 2012-07-19 15:51:41 -04:00
pci.c xen/pci: Check for PCI bridge before using it. 2012-05-30 10:16:35 -04:00
pcpu.c Features: 2013-02-24 16:18:31 -08:00
platform-pci.c Drivers: xen: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
privcmd.c xen/privcmd: fix condition in privcmd_close() 2013-05-15 10:23:40 -04:00
privcmd.h
swiotlb-xen.c Revert "swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single" 2015-01-29 17:40:57 -08:00
sys-hypervisor.c xen: sysfs: fix build warning. 2012-10-19 15:17:51 -04:00
tmem.c xen/tmem: Don't over-write tmem_frontswap_poolid after tmem_frontswap_init set it. 2013-06-10 10:14:33 -04:00
xen-acpi-cpuhotplug.c xen/acpi: xen cpu hotplug minor updates 2013-02-25 07:44:29 -05:00
xen-acpi-memhotplug.c xen/acpi: xen memory hotplug minor updates 2013-02-25 07:44:21 -05:00
xen-acpi-pad.c ACPI: Remove useless type argument of driver .remove() operation 2013-01-26 00:37:24 +01:00
xen-acpi-processor.c xen: resolve section mismatch warnings in xen-acpi-processor 2013-04-19 10:44:23 -04:00
xen-balloon.c
xen-selfballoon.c xen/tmem: Don't use self[ballooning|shrinking] if frontswap is off. 2013-05-15 10:27:50 -04:00
xen-stub.c xen/acpi: remove redundant acpi/acpi_drivers.h include 2013-03-11 13:53:02 -04:00
xencomm.c