read_barrier_depends arch fixlets
authorNick Piggin <npiggin@suse.de>
Wed, 14 May 2008 04:35:11 +0000 (06:35 +0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 14 May 2008 17:05:18 +0000 (10:05 -0700)
commit73f10281ea96d7e8b4fc1c5d755a7c8eb484155b
treed75ab7ba0f571ce0c08d30a04f1da7c781b02092
parent4ef7e3e90f56c74b2a17e12d49ed35c3767d66c2
read_barrier_depends arch fixlets

read_barrie_depends has always been a noop (not a compiler barrier) on all
architectures except SMP alpha. This brings UP alpha and frv into line with all
other architectures, and fixes incorrect documentation.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Documentation/memory-barriers.txt
include/asm-alpha/barrier.h
include/asm-frv/system.h