nfp: bpf: support optimizing dead branches

Browse source

Verifier will now optimize out branches to dead code, implement
the replace_insn callback to take advantage of that optimization.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

...

This commit is contained in:

Jakub Kicinski 2019-01-22 22:45:28 -08:00 • committed by Alexei Starovoitov

parent e2fc61146a

commit a32014b351

3 changed files with 49 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

14

drivers/net/ethernet/netronome/nfp/bpf/main.h

View file

1

drivers/net/ethernet/netronome/nfp/bpf/offload.c

View file

34

drivers/net/ethernet/netronome/nfp/bpf/verifier.c

View file