From e86cbd8765bd2e1f9eeb209822449c9b1e5958cf Mon Sep 17 00:00:00 2001
From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Wed, 29 May 2013 13:08:39 +0200
Subject: s390/pgtable: Fix gmap notifier address
The address of the gmap notifier was broken, resulting in
unhandled validity intercepts in KVM. Fix the rmap->vmaddr
to be on a segment boundary.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
arch/s390/mm/pgtable.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'arch')
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 18dc417aaf79..a938b548f07e 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -492,7 +492,7 @@ static int gmap_connect_pgtable(unsigned long address, unsigned long segment,
mp = (struct gmap_pgtable *) page->index;
rmap->gmap = gmap;
rmap->entry = segment_ptr;
- rmap->vmaddr = address;
+ rmap->vmaddr = address & PMD_MASK;
spin_lock(&mm->page_table_lock);
if (*segment_ptr == segment) {
list_add(&rmap->list, &mp->mapper);
--
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