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WANG Cong ffa423fb32 tap: convert a mutex to a spinlock 
We are not allowed to block on the RCU reader side, so can't
just hold the mutex as before. As a quick fix, convert it to
a spinlock.

Fixes: d9f1f61c0801 ("tap: Extending tap device create/destroy APIs")
Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Sainath Grandhi <sainath.grandhi@intel.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-11 13:41:57 -07:00
..
accessibility
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acpi
libnvdimm for 4.13
2017-07-07 09:44:06 -07:00
amba
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android
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ata
Merge branch 'for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
2017-07-06 09:41:58 -07:00
atm
net: convert sock.sk_wmem_alloc from atomic_t to refcount_t
2017-07-01 07:39:08 -07:00
auxdisplay
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base
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2017-07-07 17:06:28 -07:00
bcma
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block
libnvdimm for 4.13
2017-07-07 09:44:06 -07:00
bluetooth
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-07-05 12:31:59 -07:00
bus
ARM: SoC driver updates
2017-07-04 14:47:47 -07:00
cdrom
block: don't set bounce limit in blk_init_queue
2017-06-27 12:13:45 -06:00
char
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2017-07-07 17:06:28 -07:00
clk
ARM: Device-tree updates
2017-07-04 14:37:25 -07:00
clocksource
ARM: SoC driver updates
2017-07-04 14:47:47 -07:00
connector
…
cpufreq
ARM: SoC driver updates
2017-07-04 14:47:47 -07:00
cpuidle
powerpc updates for 4.13
2017-07-07 13:55:45 -07:00
crypto
This is the first pull request for the new dma-mapping subsystem
2017-07-06 19:20:54 -07:00
dax
Writeback error handling fixes (pile #2)
2017-07-07 19:38:17 -07:00
dca
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devfreq
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dio
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dma
dmaengine updates for 4.13-rc1
2017-07-08 12:36:50 -07:00
dma-buf
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edac
EDAC, pnd2: Fix Apollo Lake DIMM detection
2017-06-29 10:37:50 +02:00
eisa
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extcon
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firewire
…
firmware
This is the first pull request for the new dma-mapping subsystem
2017-07-06 19:20:54 -07:00
fmc
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fpga
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fsi
…
gpio
Merge (most of) tag 'mfd-next-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2017-07-07 13:30:05 -07:00
gpu
pci-v4.13-changes
2017-07-08 15:51:57 -07:00
hid
driver core patches for 4.13-rc1
2017-07-03 20:27:48 -07:00
hsi
HSI changes for the v4.13 series
2017-07-04 14:28:22 -07:00
hv
SCSI misc on 20170704
2017-07-06 12:10:33 -07:00
hwmon
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hwspinlock
…
hwtracing
Char/Misc patches for 4.13-rc1
2017-07-03 20:55:59 -07:00
i2c
Char/Misc patches for 4.13-rc1
2017-07-03 20:55:59 -07:00
ide
…
idle
intel_idle: Use more common logging style
2017-06-29 22:58:35 +02:00
iio
hwmon updates for v4.13:
2017-07-04 11:48:27 -07:00
infiniband
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2017-07-07 17:06:28 -07:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2017-07-08 12:39:37 -07:00
iommu
This is the first pull request for the new dma-mapping subsystem
2017-07-06 19:20:54 -07:00
ipack
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irqchip
arm64 updates for 4.13:
2017-07-05 17:09:27 -07:00
isdn
Merge branch 'work.misc-set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-07-05 13:13:32 -07:00
leds
LED updates for 4.13
2017-07-06 11:32:40 -07:00
lguest
…
lightnvm
lightnvm: pblk: set line bitmap check under debug
2017-06-30 11:08:18 -06:00
macintosh
Merge branch 'work.misc-set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-07-05 13:13:32 -07:00
mailbox
Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration
2017-07-07 10:24:07 -07:00
mcb
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md
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
2017-07-08 12:50:18 -07:00
media
media updates for v4.13-rc1
2017-07-06 11:15:19 -07:00
memory
ARM: SoC driver updates
2017-07-04 14:47:47 -07:00
memstick
…
message
…
mfd
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2017-07-08 12:39:37 -07:00
misc
powerpc updates for 4.13
2017-07-07 13:55:45 -07:00
mmc
This is the big bulk of pin control changes for the v4.13 series:
2017-07-06 11:38:59 -07:00
mtd
This is the big bulk of pin control changes for the v4.13 series:
2017-07-06 11:38:59 -07:00
mux
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net
tap: convert a mutex to a spinlock
2017-07-11 13:41:57 -07:00
nfc
NFC 4.13 pull request
2017-07-01 14:30:39 -07:00
ntb
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nubus
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nvdimm
libnvdimm for 4.13
2017-07-07 09:44:06 -07:00
nvme
pci-v4.13-changes
2017-07-08 15:51:57 -07:00
nvmem
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of
pci-v4.13-changes
2017-07-08 15:51:57 -07:00
oprofile
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parisc
parisc: ->mapping_error
2017-07-05 21:46:42 +02:00
parport
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pci
pci-v4.13-changes
2017-07-08 15:51:57 -07:00
pcmcia
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perf
…
phy
…
pinctrl
This is the big bulk of pin control changes for the v4.13 series:
2017-07-06 11:38:59 -07:00
platform
Merge (most of) tag 'mfd-next-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2017-07-07 13:30:05 -07:00
pnp
This is the bulk of GPIO changes for the v4.13 series:
2017-07-07 12:40:27 -07:00
power
power supply and reset changes for the v4.13 series
2017-07-04 14:25:14 -07:00
powercap
powercap/RAPL: prevent overridding bits outside of the mask
2017-06-28 00:38:34 +02:00
pps
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ps3
…
ptp
ptp: dte: Use LL suffix for 64-bit constants
2017-07-06 11:40:58 +01:00
pwm
…
rapidio
…
ras
arm64 updates for 4.13:
2017-07-05 17:09:27 -07:00
regulator
Merge remote-tracking branches 'regulator/topic/settle', 'regulator/topic/tps65910' and 'regulator/topic/tps65917' into regulator-next
2017-07-03 16:52:21 +01:00
remoteproc
remoteproc/keystone: Fix circular dependencies for ARM configs
2017-06-27 16:21:34 -07:00
reset
ARM: SoC driver updates
2017-07-04 14:47:47 -07:00
rpmsg
rpmsg updates for v4.13
2017-07-06 15:38:31 -07:00
rtc
…
s390
libnvdimm for 4.13
2017-07-07 09:44:06 -07:00
sbus
block: don't set bounce limit in blk_init_queue
2017-06-27 12:13:45 -06:00
scsi
SCSI misc on 20170704
2017-07-06 12:10:33 -07:00
sfi
…
sh
drivers/sh/intc/virq.c: delete an error message for a failed memory allocation in add_virq_to_pirq()
2017-07-06 16:24:30 -07:00
sn
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soc
ARM: SoC driver updates
2017-07-04 14:47:47 -07:00
spi
Merge branch 'for-spi' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-07-08 10:41:53 -07:00
spmi
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ssb
…
staging
media updates for v4.13-rc1
2017-07-06 11:15:19 -07:00
target
Merge branch 'work.read_write' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-07-05 14:35:57 -07:00
tc
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tee
…
thermal
Merge (most of) tag 'mfd-next-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2017-07-07 13:30:05 -07:00
thunderbolt
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tty
This is the bulk of GPIO changes for the v4.13 series:
2017-07-07 12:40:27 -07:00
uio
…
usb
USB fixes for 4.13-rc1
2017-07-07 13:42:04 -07:00
uwb
driver core patches for 4.13-rc1
2017-07-03 20:27:48 -07:00
vfio
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vhost
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-07-05 12:31:59 -07:00
video
pci-v4.13-changes
2017-07-08 15:51:57 -07:00
virt
…
virtio
…
vlynq
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vme
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w1
…
watchdog
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xen
This is the first pull request for the new dma-mapping subsystem
2017-07-06 19:20:54 -07:00
zorro
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Kconfig
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Makefile
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