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path: root/drivers/xen/gntdev.c
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Diffstat (limited to 'drivers/xen/gntdev.c')
-rw-r--r--drivers/xen/gntdev.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index fa6355a97081..888d76307d59 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -211,10 +211,12 @@ static int find_grant_ptes(pte_t *pte, pgtable_t token,
BUG_ON(pgnr >= map->count);
pte_maddr = (u64)pfn_to_mfn(page_to_pfn(token)) << PAGE_SHIFT;
pte_maddr += (unsigned long)pte & ~PAGE_MASK;
- gnttab_set_map_op(&map->map_ops[pgnr], pte_maddr, map->flags,
+ gnttab_set_map_op(&map->map_ops[pgnr], pte_maddr,
+ GNTMAP_contains_pte | map->flags,
map->grants[pgnr].ref,
map->grants[pgnr].domid);
- gnttab_set_unmap_op(&map->unmap_ops[pgnr], pte_maddr, map->flags,
+ gnttab_set_unmap_op(&map->unmap_ops[pgnr], pte_maddr,
+ GNTMAP_contains_pte | map->flags,
0 /* handle */);
return 0;
}
@@ -569,7 +571,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
vma->vm_private_data = map;
map->vma = vma;
- map->flags = GNTMAP_host_map | GNTMAP_application_map | GNTMAP_contains_pte;
+ map->flags = GNTMAP_host_map | GNTMAP_application_map;
if (!(vma->vm_flags & VM_WRITE))
map->flags |= GNTMAP_readonly;