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| author | Paolo Abeni <[email protected]> | 2023-07-18 14:38:09 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2023-07-20 04:12:59 +0000 |
| commit | 0558e1674598ec9029c1d3bceb787c8340272b51 (patch) | |
| tree | 7f6d266fae8d81c53295f3504165114cafe8714b | |
| parent | Merge branch 'clean-up-the-fec-driver' (diff) | |
| download | kernel-0558e1674598ec9029c1d3bceb787c8340272b51.tar.gz kernel-0558e1674598ec9029c1d3bceb787c8340272b51.zip | |
udp: use indirect call wrapper for data ready()
In most cases UDP sockets use the default data ready callback.
Leverage the indirect call wrapper for such callback to avoid an
indirect call in fastpath.
The above gives small but measurable performance gain under UDP flood.
Signed-off-by: Paolo Abeni <[email protected]>
Reviewed-by: Willem de Bruijn <[email protected]>
Link: https://lore.kernel.org/r/d47d53e6f8ee7a11228ca2f025d6243cc04b77f3.1689691004.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <[email protected]>
| -rw-r--r-- | net/ipv4/udp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 42a96b3547c9..8c3ebd95f5b9 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1553,7 +1553,7 @@ int __udp_enqueue_schedule_skb(struct sock *sk, struct sk_buff *skb) spin_unlock(&list->lock); if (!sock_flag(sk, SOCK_DEAD)) - sk->sk_data_ready(sk); + INDIRECT_CALL_1(sk->sk_data_ready, sock_def_readable, sk); busylock_release(busy); return 0; |