diff options
| author | Eric Dumazet <edumazet@google.com> | 2025-09-28 08:49:32 +0000 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2025-09-30 15:45:52 +0200 |
| commit | 9c94ae6bb0b2895024b6e29fcc1cbec968b4776a (patch) | |
| tree | efd18d0b0c67ebbe5785cddf16d14a00a2f48463 /net/core/dev.c | |
| parent | 2c0592bd5cadfcd5337eafa07e3145a097cfd880 (diff) | |
net: make softnet_data.defer_count an atomic
This is preparation work to remove the softnet_data.defer_lock,
as it is contended on hosts with large number of cores.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250928084934.3266948-2-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 8b54fdf0289a..8566678d8344 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6726,7 +6726,7 @@ static void skb_defer_free_flush(struct softnet_data *sd) spin_lock(&sd->defer_lock); skb = sd->defer_list; sd->defer_list = NULL; - sd->defer_count = 0; + atomic_set(&sd->defer_count, 0); spin_unlock(&sd->defer_lock); while (skb != NULL) { |