From: Jenny Herbert <jennifer.herb...@citrix.com>
For each VMA for grant maps, provide the correct array of pages so
get_user_pages() on foreign mappings works in PV guests.
Signed-off-by: Jenny Herbert <jennifer.herb...@citrix.com>
Signed-off-by: David Vrabel <david.vra...@citrix.com>
---
drivers/xen/gntdev.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 5d73fe8..09e7863 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -870,6 +870,8 @@ static int gntdev_mmap(struct file *flip, struct
vm_area_struct *vma)
vma->vm_end - vma->vm_start,
set_grant_ptes_as_special, NULL);
}
+
+ vma->pages = map->pages;
}
return 0;
--
1.7.10.4
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