From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Fri, 16 Jul 2010 03:27:10 +0000 (+0800)
Subject: KVM: MMU: don't atomicly set spte if it's not present
X-Git-Tag: v2.6.36-rc1~580^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be233d49ea8c1fde9f4afec378dc2c2f16ab0263;p=pandora-kernel.git

KVM: MMU: don't atomicly set spte if it's not present

If the old mapping is not present, the spte.a is not lost, so no need
atomic operation to set it

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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