From deedabb2b4a68a63351a949b1abcf73fc97eb406 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Tue, 21 May 2013 17:29:52 +0200
Subject: s390/kvm: set guest page states to stable on re-ipl

The guest page state needs to be reset to stable for all pages
on initial program load via diagnose 0x308.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/kvm/diag.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'arch/s390/kvm')

diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c
index 8216c0e0b2e2..6f9cfa500372 100644
--- a/arch/s390/kvm/diag.c
+++ b/arch/s390/kvm/diag.c
@@ -13,6 +13,7 @@
 
 #include <linux/kvm.h>
 #include <linux/kvm_host.h>
+#include <asm/pgalloc.h>
 #include <asm/virtio-ccw.h>
 #include "kvm-s390.h"
 #include "trace.h"
@@ -86,9 +87,11 @@ static int __diag_ipl_functions(struct kvm_vcpu *vcpu)
 	switch (subcode) {
 	case 3:
 		vcpu->run->s390_reset_flags = KVM_S390_RESET_CLEAR;
+		page_table_reset_pgste(current->mm, 0, TASK_SIZE);
 		break;
 	case 4:
 		vcpu->run->s390_reset_flags = 0;
+		page_table_reset_pgste(current->mm, 0, TASK_SIZE);
 		break;
 	default:
 		return -EOPNOTSUPP;
-- 
cgit