From: Cong Wang <amwang@redhat.com>
To: netdev@vger.kernel.org
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Cong Wang <amwang@redhat.com>
Subject: [Patch net-next 2/2] net: add RCU annotation to sk_dst_cache field
Date: Wed, 23 Jan 2013 15:09:51 +0800 [thread overview]
Message-ID: <1358924991-1602-2-git-send-email-amwang@redhat.com> (raw)
In-Reply-To: <1358924991-1602-1-git-send-email-amwang@redhat.com>
From: Cong Wang <amwang@redhat.com>
sock->sk_dst_cache is protected by RCU.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
---
diff --git a/include/net/sock.h b/include/net/sock.h
index 5a34e2f..c4b64c6 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -337,7 +337,7 @@ struct sock {
#endif
unsigned long sk_flags;
struct dst_entry *sk_rx_dst;
- struct dst_entry *sk_dst_cache;
+ struct dst_entry __rcu *sk_dst_cache;
spinlock_t sk_dst_lock;
atomic_t sk_wmem_alloc;
atomic_t sk_omem_alloc;
prev parent reply other threads:[~2013-01-23 7:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-23 7:09 [Patch net-next 1/2] decnet: use correct RCU API to deref sk_dst_cache field Cong Wang
2013-01-23 7:09 ` Cong Wang [this message]
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