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(parent: 2b6958e) | patch
ARM: net: bpf: avoid reloading 'index'
authorRussell King <rmk+kernel@armlinux.org.uk>
Wed, 11 Jul 2018 09:32:22 +0000 (10:32 +0100)
committerDaniel Borkmann <daniel@iogearbox.net>
Thu, 12 Jul 2018 18:45:23 +0000 (20:45 +0200)
commitaaffd2f5c3d58f154ca7b3d104a2ee6b6e40bc6b
treea4607bc0ea818a20af3453d6b8aba221dc686efdtree | snapshot
parent2b6958ef1151452cb2160fde75a5c5382b512c34commit | diff
ARM: net: bpf: avoid reloading 'index'

Avoid reloading 'index' after we have validated it - it remains in
tmp2[1] up to the point that we begin the code to index the pointer
array, so with a little rearrangement of the registers, we can use
the already loaded value.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
arch/arm/net/bpf_jit_32.c diff | blob | history
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