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| author | Eric Dumazet <edumazet@google.com> | 2024-03-28 17:40:31 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-30 01:03:11 +0300 |
| commit | 612b1c0dec5bc7367f90fc508448b8d0d7c05414 (patch) | |
| tree | 113a28eef2410940aaedd927578f8fba2ac97720 /net/sctp/stream.c | |
| parent | 6a1f12dd85a8b24f871dfcf467378660af9c064d (diff) | |
| download | linux-612b1c0dec5bc7367f90fc508448b8d0d7c05414.tar.xz | |
udp: avoid calling sock_def_readable() if possible
sock_def_readable() is quite expensive (particularly
when ep_poll_callback() is in the picture).
We must call sk->sk_data_ready() when :
- receive queue was empty, or
- SO_PEEK_OFF is enabled on the socket, or
- sk->sk_data_ready is not sock_def_readable.
We still need to call sk_wake_async().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/20240328144032.1864988-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/sctp/stream.c')
0 files changed, 0 insertions, 0 deletions