From e0b0432125b2366f30f2c3717ecb7eb01a5396df Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Fri, 16 Jul 2010 11:27:10 +0800
Subject: [PATCH] --- yaml --- r: 202424 b: refs/heads/master c:
 be233d49ea8c1fde9f4afec378dc2c2f16ab0263 h: refs/heads/master v: v3

---
 [refs]                   | 2 +-
 trunk/arch/x86/kvm/mmu.c | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index 97d11126d134..49fa1a759cfc 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9ed5520dd3c9cb79c25f95fce9c57b87637d0fb7
+refs/heads/master: be233d49ea8c1fde9f4afec378dc2c2f16ab0263
diff --git a/trunk/arch/x86/kvm/mmu.c b/trunk/arch/x86/kvm/mmu.c
index a04756a26fe2..9c7fae08291d 100644
--- a/trunk/arch/x86/kvm/mmu.c
+++ b/trunk/arch/x86/kvm/mmu.c
@@ -307,9 +307,10 @@ static void update_spte(u64 *sptep, u64 new_spte)
 {
 	u64 old_spte;
 
-	if (!shadow_accessed_mask || (new_spte & shadow_accessed_mask)) {
+	if (!shadow_accessed_mask || (new_spte & shadow_accessed_mask) ||
+	      !is_rmap_spte(*sptep))
 		__set_spte(sptep, new_spte);
-	} else {
+	else {
 		old_spte = __xchg_spte(sptep, new_spte);
 		if (old_spte & shadow_accessed_mask)
 			mark_page_accessed(pfn_to_page(spte_to_pfn(old_spte)));