From: Catalin Marinas <catalin.marinas@arm.com>
Date: Wed, 28 Feb 2007 11:30:38 +0000 (+0100)
Subject: [ARM] 4241/1: Define mb() as compiler barrier on a uniprocessor system
X-Git-Tag: v2.6.21-rc3~102^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9623b3732d11b0a18d9af3419f680d27ea24b014;p=pandora-kernel.git

[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>
---

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