From: Nick Piggin <npiggin@suse.de>
Date: Wed, 21 May 2008 14:12:31 +0000 (+1000)
Subject: powerpc: Optimise smp_wmb on 64-bit processors
X-Git-Tag: v2.6.27-rc1~1058^2~131
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74f0609526afddd88bef40b651da24f3167b10b2;p=pandora-kernel.git

powerpc: Optimise smp_wmb on 64-bit processors

For 64-bit processors, lwsync is the recommended method of store/store
ordering on caching enabled memory.  For those subarchs which have
lwsync, use it rather than eieio for smp_wmb.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

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