From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sun, 16 Jan 2011 18:02:17 +0000 (+0000)
Subject: ARM: bitops: switch set/clear/change bitops to use ldrex/strex
X-Git-Tag: v2.6.39-rc1~463^2~1^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6323f0ccedf756dfe5f46549cec69a2d6d97937b;p=pandora-kernel.git

ARM: bitops: switch set/clear/change bitops to use ldrex/strex

Switch the set/clear/change bitops to use the word-based exclusive
operations, which are only present in a wider range of ARM architectures
than the byte-based exclusive operations.

Tested record:
- Nicolas Pitre: ext3,rw,le
- Sourav Poddar: nfs,le
- Will Deacon: ext3,rw,le
- Tony Lindgren: ext3+nfs,le

Reviewed-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Tested-by: Sourav Poddar <sourav.poddar@ti.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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