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Paolo Abeni f29eb2a96c tun: compute the RFS hash only if needed. 
The tun XDP sendmsg code path, unconditionally computes the symmetric
hash of each packet for RFS's sake, even when we could skip it. e.g.
when the device has a single queue.

This change adds the check already in-place for the skb sendmsg path
to avoid unneeded hashing.

The above gives small, but measurable, performance gain for VM xmit
path when zerocopy is not enabled.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-07 22:22:16 -08:00
..
accessibility
…
acpi
pwm: Changes for v4.20-rc1
2018-11-02 11:22:45 -07:00
amba
…
android
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ata
libata: Apply NOLPM quirk for SAMSUNG MZ7TD256HAFV-000L9
2018-10-26 08:21:04 -06:00
atm
atm: zatm: Fix empty body Clang warnings
2018-10-18 15:39:10 -07:00
auxdisplay
The Compiler Attributes series
2018-11-01 18:34:46 -07:00
base
mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock
2018-10-31 08:54:17 -07:00
bcma
…
block
for-linus-20181102
2018-11-02 11:25:48 -07:00
bluetooth
Merge branch 'work.tty-ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-10-24 14:43:41 +01:00
bus
ARM: SoC driver updates for 4.17
2018-10-29 15:16:01 -07:00
cdrom
gdrom: fix mistake in assignment of error
2018-10-25 11:17:40 -06:00
char
RTC for 4.20
2018-10-27 09:24:24 -07:00
clk
This time it looks like a quieter release cycle in the clk tree. I guess that's
2018-10-31 11:08:30 -07:00
clocksource
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-11-04 08:15:15 -08:00
connector
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cpufreq
cpufreq: remove unused arm_big_little_dt driver
2018-10-25 18:39:02 +02:00
cpuidle
More power management updates for 4.20-rc1
2018-10-30 09:08:07 -07:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2018-10-25 16:43:35 -07:00
dax
…
dca
…
devfreq
…
dio
…
dma
pci-v4.20-changes
2018-10-25 06:50:48 -07:00
dma-buf
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edac
* skx_edac: Address translation for NVDIMMs (Tony Luck and Qiuxu Zhuo)
2018-11-02 11:17:22 -07:00
eisa
…
extcon
…
firewire
…
firmware
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-11-03 18:25:17 -07:00
fmc
…
fpga
fpga: add devm_fpga_region_create
2018-10-16 11:13:50 +02:00
fsi
iov_iter: Separate type from direction and use accessor functions
2018-10-24 00:41:07 +01:00
gnss
…
gpio
pci-v4.20-changes
2018-10-25 06:50:48 -07:00
gpu
drm, i915, amdgpu, bridge + core quirk
2018-11-02 10:58:20 -07:00
hid
platform-drivers-x86 for v4.20-1
2018-11-01 08:42:21 -07:00
hsi
…
hv
hv_balloon: Replace spin_is_locked() with lockdep
2018-10-15 20:54:17 +02:00
hwmon
Lots of small changes to the IPMI driver. Most of the changes
2018-10-23 09:42:05 +01:00
hwspinlock
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hwtracing
stm class: Use memcat_p()
2018-10-11 12:12:55 +02:00
i2c
i2c: Clear client->irq in i2c_device_remove
2018-10-31 23:33:34 +00:00
ide
…
idle
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-10-23 13:32:18 +01:00
iio
Staging/IIO patches for 4.20-rc1
2018-10-29 10:38:10 -07:00
infiniband
Revert "mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks"
2018-10-26 16:25:19 -07:00
input
Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
2018-10-28 11:35:40 -07:00
iommu
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
ipack
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irqchip
irqchip/irq-mvebu-sei: Fix a NULL vs IS_ERR() bug in probe function
2018-11-01 12:38:48 +01:00
isdn
ISDN: eicon: Remove driver
2018-11-06 11:03:51 -08:00
leds
leds: gpio: set led_dat->gpiod pointer for OF defined GPIO leds
2018-10-26 20:51:36 +02:00
lightnvm
lightnvm: pblk: guarantee that backpointer is respected on writer stall
2018-10-09 08:25:08 -06:00
macintosh
memblock: stop using implicit alignment to SMP_CACHE_BYTES
2018-10-31 08:54:16 -07:00
mailbox
- Convert print users to use the %pOFn format specifier
2018-10-29 10:30:44 -07:00
mcb
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md
for-linus-20181102
2018-11-02 11:25:48 -07:00
media
media updates for v4.20-rc1
2018-10-31 10:53:29 -07:00
memory
…
memstick
…
message
…
mfd
chrome-platform for v4.20
2018-10-31 16:47:55 -07:00
misc
Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-11-01 19:58:52 -07:00
mmc
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-10-23 13:32:18 +01:00
mtd
This pull request contains updates for UBIFS:
2018-11-04 14:46:04 -08:00
mux
This is the bulk of GPIO changes for the v4.20 series:
2018-10-23 08:45:05 +01:00
net
tun: compute the RFS hash only if needed.
2018-11-07 22:22:16 -08:00
nfc
NFC: nfcmrvl_uart: fix OF child-node lookup
2018-10-23 13:28:53 -05:00
ntb
ntb: idt: Alter the driver info comments
2018-11-01 10:33:12 -04:00
nubus
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nvdimm
libnvdimm for 4.20
2018-10-25 06:31:56 -07:00
nvme
for-linus-20181102
2018-11-02 11:25:48 -07:00
nvmem
nvmem: hide unused nvmem_find_cell_by_index function
2018-10-15 15:56:15 +02:00
of
Devicetree fixes for v4.20-rc1:
2018-11-01 14:45:38 -07:00
opp
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oprofile
…
parisc
parisc: Add alternative coding infrastructure
2018-10-17 17:22:26 +02:00
parport
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pci
Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
2018-10-28 11:35:40 -07:00
pcmcia
powerpc updates for 4.20
2018-10-26 14:36:21 -07:00
perf
arm64 updates for 4.20:
2018-10-22 17:30:06 +01:00
phy
USB/PHY patches for 4.20-rc1
2018-10-26 08:14:13 -07:00
pinctrl
This is the bulk of GPIO changes for the v4.20 series:
2018-10-23 08:45:05 +01:00
platform
platform-drivers-x86 for v4.20-1
2018-11-01 08:42:21 -07:00
pnp
…
power
Devicetree updates for 4.20:
2018-10-26 12:09:58 -07:00
powercap
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-10-23 13:32:18 +01:00
pps
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ps3
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ptp
ptp: drop redundant kasprintf() to create worker name
2018-10-28 19:20:06 -07:00
pwm
pwm: lpss: Only set update bit if we are actually changing the settings
2018-10-16 13:16:15 +02:00
rapidio
…
ras
…
regulator
regulator: Regulator updates for next release
2018-10-23 01:54:44 +01:00
remoteproc
remoteproc: qcom: q6v5-mss: Register segments/dumpfn for coredump
2018-10-19 12:54:03 -07:00
reset
ARM: SoC driver updates for 4.17
2018-10-29 15:16:01 -07:00
rpmsg
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rtc
rtc: sc27xx: Always read normal alarm when registering RTC device
2018-10-25 02:35:42 +02:00
s390
s390/qeth: report 25Gbit link speed
2018-11-03 10:44:06 -07:00
sbus
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scsi
Kbuild updates for v4.20 (2nd)
2018-11-03 10:47:33 -07:00
sfi
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
sh
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siox
…
slimbus
…
sn
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soc
soc: ti: QMSS: Fix usage of irq_set_affinity_hint
2018-11-02 11:22:09 -07:00
soundwire
…
spi
- New Drivers
2018-10-25 06:19:15 -07:00
spmi
…
ssb
…
staging
media updates for v4.20-rc1
2018-10-31 10:53:29 -07:00
target
SCSI misc on 20181102
2018-11-03 10:34:03 -07:00
tc
TC: Set DMA masks for devices
2018-10-11 09:16:44 -07:00
tee
…
thermal
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
2018-10-31 11:28:12 -07:00
thunderbolt
…
tty
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
uio
…
usb
Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-11-01 19:58:52 -07:00
uwb
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vfio
VFIO updates for v4.20
2018-10-31 11:01:38 -07:00
vhost
virtio, vhost: fixes, tweaks
2018-11-01 14:42:49 -07:00
video
fbdev changes for v4.20:
2018-10-31 11:41:37 -07:00
virt
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virtio
virtio-balloon: VIRTIO_BALLOON_F_PAGE_POISON
2018-10-24 20:57:55 -04:00
visorbus
…
vlynq
…
vme
…
w1
w1: IAD Register is yet readable trough iad sys file. Fix snprintf (%u for unsigned, count for max size).
2018-10-15 20:50:32 +02:00
watchdog
watchdog: ts4800: release syscon device node in ts4800_wdt_probe()
2018-10-22 10:16:28 +02:00
xen
Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-11-01 19:58:52 -07:00
zorro
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Kconfig
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Makefile
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