diff options
| author | Eric Dumazet <[email protected]> | 2023-10-05 11:45:04 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2023-10-06 16:29:08 -0700 |
| commit | 48533eca606efcf63ef4080ded5618e0b17ee3d7 (patch) | |
| tree | 6d8d31948a88e1b196c2b631b20f5d2a5af98197 /tools/perf/scripts/python/libxed.py | |
| parent | a1fb841f9d189d257814562dacb3d65667f2a9c3 (diff) | |
net: sock_dequeue_err_skb() optimization
Exit early if the list is empty.
Some applications using TCP zerocopy are calling
recvmsg( ... MSG_ERRQUEUE) and hit this case quite often,
probably because busy polling only deals with sk_receive_queue.
Signed-off-by: Eric Dumazet <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/libxed.py')
0 files changed, 0 insertions, 0 deletions