From f3b8c964a9a6cfef6d3ca778648d53947b9fd257 Mon Sep 17 00:00:00 2001
From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Wed, 5 May 2010 09:09:21 +0800
Subject: [PATCH] KVM: MMU: mark page table dirty when a pte is actually
 modified

Sometime cmpxchg_gpte doesn't modify gpte, in such case, don't mark
page table page as dirty.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
Reading git-format-patch failed