From 640d9b0dbe9f744ac8fd517a8f6afe238f8f525b Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Tue, 12 Jul 2011 03:24:39 +0800
Subject: [PATCH] KVM: MMU: optimize to handle dirty bit

If dirty bit is not set, we can make the pte access read-only to avoid handing
dirty bit everywhere

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Reading git-format-patch failed