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authorEric Dumazet <edumazet@google.com>2021-07-19 13:11:07 +0300
committerJakub Kicinski <kuba@kernel.org>2021-07-20 13:07:07 +0300
commite93abb840a2c356ed2809c31fcedb058601ac2e4 (patch)
treee52a6fb74dce8895a5314955875df8b9287f94f7 /include/net/netns
parentfef773fc8110d8124c73a5e6610f89e52814637d (diff)
downloadlinux-e93abb840a2c356ed2809c31fcedb058601ac2e4.tar.xz
net/tcp_fastopen: remove tcp_fastopen_ctx_lock
Remove the (per netns) spinlock in favor of xchg() atomic operations. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Yuchung Cheng <ycheng@google.com> Cc: Neal Cardwell <ncardwell@google.com> Acked-by: Wei Wang <weiwan@google.com> Link: https://lore.kernel.org/r/20210719101107.3203943-1-eric.dumazet@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/netns')
-rw-r--r--include/net/netns/ipv4.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index b8620519eace..2f65701a43c9 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -174,7 +174,6 @@ struct netns_ipv4 {
int sysctl_tcp_fastopen;
const struct tcp_congestion_ops __rcu *tcp_congestion_control;
struct tcp_fastopen_context __rcu *tcp_fastopen_ctx;
- spinlock_t tcp_fastopen_ctx_lock;
unsigned int sysctl_tcp_fastopen_blackhole_timeout;
atomic_t tfo_active_disable_times;
unsigned long tfo_active_disable_stamp;