git.samba.org / sfrench / cifs-2.6.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: a1fb841) | patch
net: sock_dequeue_err_skb() optimization
authorEric Dumazet <edumazet@google.com>
Thu, 5 Oct 2023 11:45:04 +0000 (11:45 +0000)
committerJakub Kicinski <kuba@kernel.org>
Fri, 6 Oct 2023 23:29:08 +0000 (16:29 -0700)
commit48533eca606efcf63ef4080ded5618e0b17ee3d7
tree6d8d31948a88e1b196c2b631b20f5d2a5af98197tree
parenta1fb841f9d189d257814562dacb3d65667f2a9c3commit | 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 <edumazet@google.com>
Link: https://lore.kernel.org/r/20231005114504.642589-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/core/skbuff.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.