bpf: speed up stacksafe check

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Don't check the same stack liveness condition 8 times.
once is enough.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Edward Cree <ecree@solarflare.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

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Alexei Starovoitov 2018-12-13 11:42:31 -08:00 • committed by Daniel Borkmann

parent eb415c9898

commit b233920c97

1 changed files with 3 additions and 1 deletions

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kernel/bpf/verifier.c

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