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(parent: 5a52475) | patch
[ARM] 4241/1: Define mb() as compiler barrier on a uniprocessor system
authorCatalin Marinas <catalin.marinas@arm.com>
Wed, 28 Feb 2007 11:30:38 +0000 (12:30 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Fri, 2 Mar 2007 11:59:00 +0000 (11:59 +0000)
commit183023a0c475196edc7cc1c74d2d03dba4c066cf
tree9f00b744060872ca3ad1518002f67376d3050d45tree | snapshot
parent5a524757d3ba341a83ca5c5246514f448c61f647commit | diff
[ARM] 4241/1: Define mb() as compiler barrier on a uniprocessor system

Currently, the mb() is defined as a DMB operation on ARMv6, even for
UP systems. This patch defines mb() as a compiler barrier only. For
the SMP case, the smp_* variants should be used anyway and the patch
defines them as DMB.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
include/asm-arm/system.h diff | blob | history
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