diff options
| author | Jason Xing <kernelxing@tencent.com> | 2024-04-18 15:36:03 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-04-19 11:38:03 +0100 |
| commit | f7b60cce847036f4a639d44c675553a564d8e876 (patch) | |
| tree | 48669426a813531a30360209f49f26de7e5e5f56 | |
| parent | f00bf5dc83202fd9f75bde80e46c3a747c34cc6a (diff) | |
| download | net-queue-f7b60cce847036f4a639d44c675553a564d8e876.tar.gz | |
net: rps: locklessly access rflow->cpu
This is the last member in struct rps_dev_flow which should be
protected locklessly. So finish it.
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -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 182fce2537d4af..8bdc59074b29c2 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4539,7 +4539,7 @@ set_rps_cpu(struct net_device *dev, struct sk_buff *skb, rps_input_queue_tail_save(&rflow->last_qtail, head); } - rflow->cpu = next_cpu; + WRITE_ONCE(rflow->cpu, next_cpu); return rflow; } |