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>

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;
                 }