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| author | Peter Zijlstra <peterz@infradead.org> | 2014-03-17 18:06:10 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-18 14:20:48 +0200 |
| commit | 4e857c58efeb99393cba5a5d0d8ec7117183137c (patch) | |
| tree | 3f6fd464e4fddb2fe90374c075c9d06603cf8bbc /net/ipv4/tcp_output.c | |
| parent | 1b15611e1c30b37abe393d411c316cd659920bf5 (diff) | |
| download | lwn-4e857c58efeb99393cba5a5d0d8ec7117183137c.tar.gz lwn-4e857c58efeb99393cba5a5d0d8ec7117183137c.zip | |
arch: Mass conversion of smp_mb__*()
Mostly scripted conversion of the smp_mb__* barriers.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-55dhyhocezdw1dg7u19hmh1u@git.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 025e25093984..366cf06587b8 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1930,10 +1930,8 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, /* It is possible TX completion already happened * before we set TSQ_THROTTLED, so we must * test again the condition. - * We abuse smp_mb__after_clear_bit() because - * there is no smp_mb__after_set_bit() yet */ - smp_mb__after_clear_bit(); + smp_mb__after_atomic(); if (atomic_read(&sk->sk_wmem_alloc) > limit) break; } |