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| author |   Maciej Fijalkowski <maciej.fijalkowski@intel.com> | 2022-04-13 17:30:05 +0200 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2022-04-15 21:10:32 +0200 |
| commit | d090c885860f6ef85aa080bdfc94e69c525490a2 (patch) | |
| tree | 1eb73dcbf3b225dc2ea066e33191d1c52f76659c /drivers/net/ethernet/intel/ice/ice_xsk.c | |
| parent | ice, xsk: Decorate ICE_XDP_REDIR with likely() (diff) | |
| download | wireguard-linux-d090c885860f6ef85aa080bdfc94e69c525490a2.tar.xz wireguard-linux-d090c885860f6ef85aa080bdfc94e69c525490a2.zip | |
ixgbe, xsk: Decorate IXGBE_XDP_REDIR with likely()
ixgbe_run_xdp_zc() suggests to compiler that XDP_REDIRECT is the most
probable action returned from BPF program that AF_XDP has in its
pipeline. Let's also bring this suggestion up to the callsite of
ixgbe_run_xdp_zc() so that compiler will be able to generate more
optimized code which in turn will make branch predictor happy.
Suggested-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220413153015.453864-5-maciej.fijalkowski@intel.com
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_xsk.c')
0 files changed, 0 insertions, 0 deletions