From: Nick Piggin <npiggin@suse.de>
Date: Thu, 18 Oct 2007 10:06:51 +0000 (-0700)
Subject: alpha: lock bitops
X-Git-Tag: v2.6.24-rc1~331
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=44086d5286c57c86622dee37684decf32355aa7c;p=pandora-kernel.git

alpha: lock bitops

Alpha can avoid one mb when acquiring a lock with test_and_set_bit_lock.

[bunk@kernel.org: alpha bitops.h must #include <asm/barrier.h>]
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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