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(parent: 7c29ca5) | patch
alpha: lock bitops
authorNick Piggin <npiggin@suse.de>
Thu, 18 Oct 2007 10:06:51 +0000 (03:06 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Thu, 18 Oct 2007 21:37:29 +0000 (14:37 -0700)
commit44086d5286c57c86622dee37684decf32355aa7c
tree7660cc81afd36f3724cab197bc97860e3c20fc80tree | snapshot
parent7c29ca5b8d13287ed67d2863f4c5f7bfc1a15279commit | diff
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>
include/asm-alpha/bitops.h diff | blob | history
Domain: System / Uncategorized;