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net: remove sock_i_uid()

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Difference between sock_i_uid() and sk_uid() is that
after sock_orphan(), sock_i_uid() returns GLOBAL_ROOT_UID
while sk_uid() returns the last cached sk->sk_uid value.

None of sock_i_uid() callers care about this.

Use sk_uid() which is much faster and inlined.

Note that diag/dump users are calling sock_i_ino() and
can not see the full benefit yet.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Lorenzo Colitti <lorenzo@google.com>
Reviewed-by: Maciej Żenczykowski <maze@google.com>
Link: https://patch.msgid.link/20250620133001.4090592-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet
2025-06-20 13:30:01 +00:00
committed by Jakub Kicinski
parent e84a4927a4
commit c51da3f7a1
26 changed files with 50 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/sctp/input.c
View File

@@ -756,7 +756,7 @@ static int __sctp_hash_endpoint(struct sctp_endpoint *ep)
struct sock *sk2 = ep2->base.sk;
if (!net_eq(sock_net(sk2), net) || sk2 == sk ||
!uid_eq(sock_i_uid(sk2), sock_i_uid(sk)) ||
!uid_eq(sk_uid(sk2), sk_uid(sk)) ||
!sk2->sk_reuseport)
continue;