Eric Dumazet 29c3002644 net: optimize skb_postpull_rcsum() ...

Remove one pair of add/adc instructions and their dependency
against carry flag.

We can leverage third argument to csum_partial():

  X = csum_block_sub(X, csum_partial(start, len, 0), 0);

  -->

  X = csum_block_add(X, ~csum_partial(start, len, 0), 0);

  -->

  X = ~csum_partial(start, len, ~X);

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2021-11-25 21:03:31 -08:00

..

acpi

Merge branches 'acpica', 'acpi-ec', 'acpi-pmic' and 'acpi-video'

2021-11-10 14:03:14 +01:00

asm-generic

sections: global data can be in .bss

2021-11-22 14:53:45 +00:00

clocksource

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2021-11-02 11:24:14 -07:00

crypto

crypto: ecc - Export additional helper functions

2021-10-29 21:04:03 +08:00

drm

Merge tag 'drm-misc-next-fixes-2021-11-10' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

2021-11-11 08:14:19 +10:00

dt-bindings

dt-bindings: Rename Ingenic CGU headers to ingenic,*.h

2021-11-11 22:27:14 -06:00

keys

…

kunit

include/kunit/test.h: replace kernel.h with the necessary inclusions

2021-11-09 10:02:49 -08:00

kvm

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linux

net: optimize skb_postpull_rcsum()

2021-11-25 21:03:31 -08:00

math-emu

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media

Merge branch 'akpm' (patches from Andrew)

2021-11-09 10:11:53 -08:00

memory

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misc

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net

gro: optimize skb_gro_postpull_rcsum()

2021-11-25 21:03:31 -08:00

pcmcia

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ras

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rdma

RDMA/hns: Use the core code to manage the fixed mmap entries

2021-10-29 14:07:31 -03:00

scsi

Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

2021-11-12 12:25:50 -08:00

soc

net: dsa: felix: enable cut-through forwarding between ports by default

2021-11-25 19:32:07 -08:00

sound

Revert "ALSA: memalloc: Convert x86 SG-buffer handling with non-contiguous type"

2021-11-04 22:10:03 +01:00

target

scsi: target: Replace lun_tg_pt_gp_lock with rcu in I/O path

2021-10-18 22:38:36 -04:00

trace

Merge tag 'f2fs-for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

2021-11-13 11:20:22 -08:00

uapi

mctp: Add MCTP-over-serial transport binding

2021-11-23 11:47:51 +00:00

vdso

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video

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xen

xen/balloon: rename alloc/free_xenballooned_pages

2021-11-04 12:59:44 -05:00