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Paolo Abeni 2a2bbf1700 tun: don't require serialization lock on tx 
The current tun_net_xmit() implementation don't need any external
lock since it relies on rcu protection for the tun data structure
and on socket queue lock for skb queuing.

This patch set the NETIF_F_LLTX feature bit in the tun device, so
that on xmit, in absence of qdisc, no serialization lock is acquired
by the caller.

The user space can remove the default tun qdisc with:

tc qdisc replace dev <tun device name> root noqueue

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-18 14:36:26 -04:00
..
accessibility
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acpi
Merge branch 'acpi-processor'
2016-04-02 01:17:36 +02:00
amba
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android
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ata
Merge branch 'for-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
2016-03-18 20:06:46 -07:00
atm
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2016-03-17 21:38:27 -07:00
auxdisplay
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base
PM / wakeirq: fix wakeirq setting after wakup re-configuration from sysfs
2016-04-07 22:23:47 +02:00
bcma
bcma: move flash detection code to ChipCommon core driver
2016-03-07 14:41:08 +02:00
block
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
2016-04-07 16:34:26 -07:00
bluetooth
Bluetooth: hci_bcsp: fix code style
2016-04-08 23:01:36 +02:00
bus
arm[64] perf updates for 4.6:
2016-03-21 13:14:16 -07:00
cdrom
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char
Revert "ppdev: use new parport device model"
2016-03-25 09:02:13 -07:00
clk
clk: qcom: ipq4019: add some fixed clocks for ddrppl and fepll
2016-03-29 16:31:16 -07:00
clocksource
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-03-24 10:32:42 -07:00
connector
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cpufreq
Merge branches 'pm-cpufreq', 'pm-cpuidle' and 'acpi-cppc'
2016-04-08 21:46:05 +02:00
cpuidle
cpuidle: menu: Fall back to polling if next timer event is near
2016-03-21 15:50:28 +01:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2016-03-23 06:12:39 -07:00
dca
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devfreq
PM / devfreq: Spelling s/frequnecy/frequency/
2016-03-17 02:30:16 +01:00
dio
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dma
asm-generic changes for 4.6
2016-03-24 23:13:48 -07:00
dma-buf
dma-buf: Update docs for SYNC ioctl
2016-03-21 09:26:45 +01:00
edac
EDAC queue for 4.6
2016-03-16 08:36:55 -07:00
eisa
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extcon
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firewire
IEEE 1394 subsystem patch:
2016-03-25 08:52:25 -07:00
firmware
firmware: qemu_fw_cfg.c: hold ACPI global lock during device access
2016-04-07 15:16:40 +03:00
fmc
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fpga
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gpio
gpio: xgene: Prevent NULL pointer dereference
2016-03-30 10:39:39 +02:00
gpu
Merge branch 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
2016-04-07 07:08:46 +10:00
hid
drivers/hid/uhid.c: check write() bitness using in_compat_syscall
2016-03-22 15:36:02 -07:00
hsi
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hv
Char/Misc patches for 4.6-rc1
2016-03-17 13:47:50 -07:00
hwmon
hwmon: (max1111) Return -ENODEV from max1111_read_channel if not instantiated
2016-03-27 10:37:48 -07:00
hwspinlock
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hwtracing
drivers/hwtracing: make coresight-etm-perf.c explicitly non-modular
2016-03-05 12:19:39 -08:00
i2c
Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2016-03-22 12:47:40 -07:00
ide
ide: palm_bk3710: test clock rate to avoid division by 0
2016-03-20 16:59:27 -04:00
idle
intel_idle: Add KBL support
2016-04-07 22:11:08 +02:00
iio
Second set of IIO fixes for the 4.6 cycle.
2016-04-04 13:45:10 -07:00
infiniband
Revert "ib_srpt: Convert to percpu_ida tag allocation"
2016-04-07 18:16:20 -07:00
input
Merge branch 'akpm' (patches from Andrew)
2016-03-25 16:59:11 -07:00
iommu
iommu/vt-d: Silence an uninitialized variable warning
2016-04-07 14:51:47 +02:00
ipack
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irqchip
irqchip/mbigen: Make CONFIG_HISILICON_IRQ_MBIGEN a hidden option
2016-03-23 12:02:29 +01:00
isdn
Drivers: isdn: hisax: isac.c: Fix assignment and check into one expression.
2016-03-27 22:38:12 -04:00
leds
platform-drivers-x86 for 4.6-1
2016-03-23 17:20:59 -07:00
lguest
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lightnvm
lightnvm: do not load L2P table if not supported
2016-03-18 18:10:38 -07:00
macintosh
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mailbox
Merge branches 'pm-cpufreq', 'pm-cpuidle' and 'acpi-cppc'
2016-04-08 21:46:05 +02:00
mcb
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md
Merge tag 'md/4.6-rc2-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
2016-04-09 11:23:27 -07:00
media
media fixes for v4.6-rc2
2016-04-05 06:47:50 -07:00
memory
MTD updates for v4.6
2016-03-24 19:57:15 -07:00
memstick
drivers/memstick/host/r592.c: avoid gcc-6 warning
2016-03-25 16:37:42 -07:00
message
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mfd
- New Drivers
2016-03-18 10:15:11 -07:00
misc
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
mmc
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
mtd
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
net
tun: don't require serialization lock on tx
2016-04-18 14:36:26 -04:00
nfc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2016-03-19 10:05:34 -07:00
ntb
NTB: Remove _addr functions from ntb_hw_amd
2016-03-26 11:44:33 -04:00
nubus
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nvdimm
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
nvme
nvme: avoid cqe corruption when update at the same time as read
2016-03-22 10:27:29 -06:00
nvmem
nvmem: mediatek: Fix later provider initialization
2016-03-05 12:20:29 -08:00
of
DeviceTree updates for 4.6:
2016-03-19 15:15:07 -07:00
oprofile
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
parisc
PCI changes for the v4.6 merge window:
2016-03-16 14:45:55 -07:00
parport
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pci
Revert "PCI: dra7xx: Mark driver as broken"
2016-03-22 07:50:11 -05:00
pcmcia
pcmcia: db1xxx_ss: fix last irq_to_gpio user
2016-03-29 22:48:53 +02:00
perf
drivers/perf: arm_pmu: avoid NULL dereference when not using devicetree
2016-03-21 11:36:17 +00:00
phy
phy: for 4.6
2016-03-05 12:22:41 -08:00
pinctrl
Revert "Revert "pinctrl: lantiq: Implement gpio_chip.to_irq""
2016-04-01 15:21:27 +02:00
platform
Convert straggling drivers to new six-argument get_user_pages()
2016-04-02 18:35:05 -05:00
pnp
PNP / ACPI: add ACPI_RESOURCE_TYPE_SERIAL_BUS as a valid type
2016-03-09 23:50:55 +01:00
power
Power management and ACPI material for v4.6-rc1, part 2
2016-03-25 16:55:37 -07:00
powercap
powercap: intel_rapl: Add missing Haswell model
2016-04-05 03:44:48 +02:00
pps
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ps3
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ptp
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-03-15 12:13:56 -07:00
pwm
pwm: omap-dmtimer: Add debug message for effective period and duty cycle
2016-03-23 17:11:48 +01:00
rapidio
Convert straggling drivers to new six-argument get_user_pages()
2016-04-02 18:35:05 -05:00
ras
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regulator
- New Drivers
2016-03-18 10:15:11 -07:00
remoteproc
remoteproc: st: fix check of syscon_regmap_lookup_by_phandle() return value
2016-03-28 16:19:00 -07:00
reset
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rpmsg
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rtc
RTC for 4.6 #2
2016-03-24 22:49:08 -07:00
s390
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2016-04-01 07:15:54 -05:00
sbus
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scsi
SCSI fixes on 20160408
2016-04-09 12:00:42 -07:00
sfi
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sh
Linux 4.5-rc6
2016-03-04 12:12:08 +01:00
sn
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soc
ARM: SoC driver updates for v4.6
2016-03-20 15:40:32 -07:00
spi
Merge remote-tracking branches 'spi/fix/omap2' and 'spi/fix/rockchip' into spi-linus
2016-04-04 10:05:49 -07:00
spmi
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ssb
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staging
staging: rtl8188eu: Convert to using IFF_NO_QUEUE
2016-04-16 22:02:13 -04:00
target
Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-04-14 00:39:15 -04:00
tc
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thermal
Thermal: Ignore invalid trip points
2016-03-18 14:10:57 +08:00
thunderbolt
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tty
tty: Fix merge of "tty: Refactor tty_open()"
2016-03-31 20:49:39 -07:00
uio
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usb
USB fixes for 4.6-rc3
2016-04-09 12:23:02 -07:00
uwb
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vfio
VFIO updates for v4.6-rc1
2016-03-17 13:05:09 -07:00
vhost
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2016-03-22 12:41:14 -07:00
video
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
virt
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virtio
virtio: virtio 1.0 cs04 spec compliance for reset
2016-04-07 15:16:39 +03:00
vlynq
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vme
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w1
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watchdog
hpwdt: use nmi_panic() when kernel panics in NMI handler
2016-03-22 15:36:02 -07:00
xen
xen/events: Mask a moving irq
2016-04-04 11:18:00 +01:00
zorro
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Kconfig
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Makefile
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