From 60395224d94945544f1f9dce5566981844bf0e77 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@qumranet.com>
Date: Sun, 21 Oct 2007 11:03:36 +0200
Subject: [PATCH] KVM: Add a might_sleep() annotation to gfn_to_page()

This will help trap accesses to guest memory in atomic context.

Signed-off-by: Avi Kivity <avi@qumranet.com>
---
 drivers/kvm/kvm_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index a6e3165043d1..453e98e251da 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -993,6 +993,8 @@ struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn)
 	struct page *page[1];
 	int npages;
 
+	might_sleep();
+
 	gfn = unalias_gfn(kvm, gfn);
 	slot = __gfn_to_memslot(kvm, gfn);
 	if (!slot) {