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Jonathan Gonzalez V cbe97414c2 drm/exynos: call find_vma with the mmap_sem held 
Performing vma lookups without taking the mm->mmap_sem is asking for
trouble.  While doing the search, the vma in question can be modified or
even removed before returning to the caller.  Take the lock (exclusively)
in order to avoid races while iterating through the vmacache and/or
rbtree.

Signed-off-by: Jonathan Gonzalez V <zeus@gnu.org>
Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:00 -07:00
..
accessibility
acpi ACPI and power management updates for 3.16-rc1 2014-06-04 08:57:16 -07:00
amba
ata
atm
auxdisplay
base memory-hotplug: update documentation to hide information about SECTIONS and remove end_phys_index 2014-06-04 16:53:58 -07:00
bcma
block Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-03 14:00:15 -07:00
bluetooth TTY/Serial driver patches for 3.16-rc1 2014-06-03 09:01:02 -07:00
bus ARM: SoC driver changes 2014-06-02 16:35:49 -07:00
cdrom
char ACPI and power management updates for 3.16-rc1 2014-06-04 08:57:16 -07:00
clk DeviceTree for 3.16: 2014-06-04 10:02:38 -07:00
clocksource DeviceTree for 3.16: 2014-06-04 10:02:38 -07:00
connector Char / misc driver patches for 3.16-rc1 2014-06-03 08:06:56 -07:00
cpufreq ACPI and power management updates for 3.16-rc1 2014-06-04 08:57:16 -07:00
cpuidle ACPI and power management updates for 3.16-rc1 2014-06-04 08:57:16 -07:00
crypto
dca
devfreq
dio
dma ARM: SoC driver changes 2014-06-02 16:35:49 -07:00
edac PCI changes for the v3.16 merge window: 2014-06-02 12:15:19 -07:00
eisa
extcon
firewire sound updates for 3.16-rc1 2014-06-04 09:08:25 -07:00
firmware
fmc
gpio This is the bulk of GPIO changes for the v3.16 series: 2014-06-02 08:46:03 -07:00
gpu drm/exynos: call find_vma with the mmap_sem held 2014-06-04 16:54:00 -07:00
hid Merge branches 'for-3.16/i2c-hid', 'for-3.16/rmi4', 'for-3.16/sony' and 'for-3.16/thingm' into for-linus 2014-06-04 13:09:43 +02:00
hsi
hv
hwmon New driver for NCT6683D 2014-06-03 11:09:43 -07:00
hwspinlock
i2c
ide
idle
iio Staging driver patches for 3.16-rc1 2014-06-03 08:34:00 -07:00
infiniband
input ARM: SoC updates for 3.16 (part 1) 2014-06-02 16:15:12 -07:00
iommu intel-iommu: integrate DMA CMA 2014-06-04 16:53:57 -07:00
ipack
irqchip DeviceTree for 3.16: 2014-06-04 10:02:38 -07:00
isdn
leds Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid into next 2014-06-04 08:52:36 -07:00
lguest
macintosh
mailbox
mcb
md Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-03 12:57:53 -07:00
media Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-03 12:57:53 -07:00
memory
memstick
message
mfd sound updates for 3.16-rc1 2014-06-04 09:08:25 -07:00
misc Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-03 15:48:23 -07:00
mmc Updates for mmci driver: 2014-06-02 09:22:24 -07:00
mtd Merge branch 'for-3.16/core' of git://git.kernel.dk/linux-block into next 2014-06-02 09:29:34 -07:00
net ACPI and power management updates for 3.16-rc1 2014-06-04 08:57:16 -07:00
nfc
ntb
nubus
of DeviceTree for 3.16: 2014-06-04 10:02:38 -07:00
oprofile
parisc
parport
pci Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial into next 2014-06-04 08:50:34 -07:00
pcmcia
phy
pinctrl This is the bulk of pin control changes for the v3.16 2014-06-03 11:20:32 -07:00
platform ACPI and power management updates for 3.16-rc1 2014-06-04 08:57:16 -07:00
pnp Merge branches 'pnp', 'powercap', 'pm-runtime' and 'pm-opp' 2014-06-03 23:13:00 +02:00
power ACPI and power management updates for 3.16-rc1 2014-06-04 08:57:16 -07:00
powercap
pps
ps3
ptp
pwm
rapidio
regulator regulator: Updates for v3.16 2014-06-03 11:44:48 -07:00
remoteproc
reset ARM: SoC driver changes 2014-06-02 16:35:49 -07:00
rpmsg
rtc
s390 At over 200 commits, covering almost all supported architectures, this 2014-06-04 08:47:12 -07:00
sbus
scsi Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial into next 2014-06-04 08:50:34 -07:00
sfi
sh Merge back earlier cpufreq material. 2014-06-03 15:03:27 +02:00
sn
soc
spi Merge remote-tracking branch 'spi/topic/workqueue' into spi-next 2014-06-02 17:08:43 +01:00
spmi
ssb
staging Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial into next 2014-06-04 08:50:34 -07:00
target Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-03 12:57:53 -07:00
tc
thermal
tty DeviceTree for 3.16: 2014-06-04 10:02:38 -07:00
uio
usb Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-03 12:57:53 -07:00
uwb
vfio
vhost
video fbdev changes for 3.16 (omap) 2014-06-04 09:07:08 -07:00
virt
virtio
vlynq
vme
w1 Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-03 12:57:53 -07:00
watchdog
xen Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-03 12:57:53 -07:00
zorro
Kconfig
Makefile Char / misc driver patches for 3.16-rc1 2014-06-03 08:06:56 -07:00