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| author |   Daniel Borkmann <daniel@iogearbox.net> | 2018-05-14 23:22:33 +0200 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2018-05-14 19:11:45 -0700 |
| commit | 56ea6a8b4949c66d550d05e92da8ef4351b90027 (patch) | |
| tree | 21af064891911296afea5e9193c902f848cc03fe /tools/lib | |
| parent | bpf, arm64: optimize 32/64 immediate emission (diff) | |
| download | wireguard-linux-56ea6a8b4949c66d550d05e92da8ef4351b90027.tar.xz wireguard-linux-56ea6a8b4949c66d550d05e92da8ef4351b90027.zip | |
bpf, arm64: save 4 bytes in prologue when ebpf insns came from cbpf
We can trivially save 4 bytes in prologue for cBPF since tail calls
can never be used from there. The register push/pop is pairwise,
here, x25 (fp) and x26 (tcc), so no point in changing that, only
reset to zero is not needed.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/lib')
0 files changed, 0 insertions, 0 deletions