From cfb09ac936e8d2f8c98316e9883612301fe301c6 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Tue, 20 Apr 2010 14:29:29 +0800
Subject: [PATCH] --- yaml --- r: 190078 b: refs/heads/master c:
 eda2beda835697878e309b6049aa0a3bad051590 h: refs/heads/master v: v3

---
 [refs]                    | 2 +-
 trunk/virt/kvm/kvm_main.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 5f95d7637d98..3901fd9081ce 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e80e2a60ff7914dae691345a976c80bbbff3ec74
+refs/heads/master: eda2beda835697878e309b6049aa0a3bad051590
diff --git a/trunk/virt/kvm/kvm_main.c b/trunk/virt/kvm/kvm_main.c
index 364daacafb58..c82ae2492634 100644
--- a/trunk/virt/kvm/kvm_main.c
+++ b/trunk/virt/kvm/kvm_main.c
@@ -341,7 +341,11 @@ static void kvm_mmu_notifier_release(struct mmu_notifier *mn,
 				     struct mm_struct *mm)
 {
 	struct kvm *kvm = mmu_notifier_to_kvm(mn);
+	int idx;
+
+	idx = srcu_read_lock(&kvm->srcu);
 	kvm_arch_flush_shadow(kvm);
+	srcu_read_unlock(&kvm->srcu, idx);
 }
 
 static const struct mmu_notifier_ops kvm_mmu_notifier_ops = {