From d05338c1290e8c6bc2f70fe7ad39f4ab61c8410a Mon Sep 17 00:00:00 2001 From: Emil Tsalapatis Date: Wed, 8 Jul 2026 14:08:37 -0400 Subject: [PATCH] net/tcp: Prevent inlining tcp_syn_ack_timeout() The tcp_syn_ack_timeout() function gets inlined by Clang, preventing tracing. Since the call is not in the fast path, prevent it from being inlined. Signed-off-by: Emil Tsalapatis Reviewed-by: Eric Dumazet Link: https://patch.msgid.link/20260708180837.9507-1-emil@etsalapatis.com Signed-off-by: Jakub Kicinski --- net/ipv4/tcp_timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index bf171b5e1eb3..f7215d53bbda 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -748,7 +748,7 @@ static void tcp_write_timer(struct timer_list *t) sock_put(sk); } -void tcp_syn_ack_timeout(const struct request_sock *req) +noinline_for_tracing void tcp_syn_ack_timeout(const struct request_sock *req) { struct net *net = read_pnet(&inet_rsk(req)->ireq_net);