From: Jiri Olsa <jolsa@redhat.com>
Date: Wed, 8 Jul 2009 12:10:31 +0000 (+0000)
Subject: memory barrier: adding smp_mb__after_lock
X-Git-Tag: v2.6.31-rc3~40^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ad46276952f1af34cd91d46d49ba13d347d56367;p=pandora-kernel.git

memory barrier: adding smp_mb__after_lock

Adding smp_mb__after_lock define to be used as a smp_mb call after
a lock.

Making it nop for x86, since {read|write|spin}_lock() on x86 are
full memory barriers.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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