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| author | Eric Dumazet | 2017-08-31 13:53:42 +0200 |
|---|---|---|
| committer | David S. Miller | 2017-08-31 20:57:37 +0200 |
| commit | 84ccac6e7854ebbfb56d2fc6d5bef9be49bb304c (patch) | |
| tree | 86577241d7a33a02dc714cbfd0c32fa7c19ebd8d /include/net/devlink.h | |
| parent | samples/bpf: Fix compilation issue in redirect dummy program (diff) | |
| download | kernel-qcow2-linux-84ccac6e7854ebbfb56d2fc6d5bef9be49bb304c.tar.gz kernel-qcow2-linux-84ccac6e7854ebbfb56d2fc6d5bef9be49bb304c.tar.xz kernel-qcow2-linux-84ccac6e7854ebbfb56d2fc6d5bef9be49bb304c.zip | |
x86: bpf_jit: small optimization in emit_bpf_tail_call()
Saves 4 bytes replacing following instructions :
lea rax, [rsi + rdx * 8 + offsetof(...)]
mov rax, qword ptr [rax]
cmp rax, 0
by :
mov rax, [rsi + rdx * 8 + offsetof(...)]
test rax, rax
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/devlink.h')
0 files changed, 0 insertions, 0 deletions