From: Dor Laor <dor.laor@qumranet.com>
Date: Wed, 7 Nov 2007 14:20:06 +0000 (+0200)
Subject: KVM: Add make_page_dirty() to kvm_clear_guest_page()
X-Git-Tag: v2.6.25-rc1~1138^2~163
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=12264760e46077a65c1240ac0b27dfa34b402158;p=linux-2.6

KVM: Add make_page_dirty() to kvm_clear_guest_page()

Every write access to guest pages should be tracked.

Signed-off-by: Dor Laor <dor.laor@qumranet.com>
Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---

diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 8665531d92..8d6e55f95f 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -706,6 +706,7 @@ int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len)
 
 	kunmap_atomic(page_virt, KM_USER0);
 	kvm_release_page(page);
+	mark_page_dirty(kvm, gfn);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(kvm_clear_guest_page);