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 <[email protected]> Signed-off-by: Martin Schwidefsky <[email protected]>
gunnarahlberg · May 31, 2013 · e86cbd8 · e86cbd8
1 parent 8b811ba
commit e86cbd8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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);