Merge branch 'xen/fbdev' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen

* 'xen/fbdev' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen:
  xen pvfb: Inhibit VM_IO flag to be set on vmalloc-ed framebuffers.
  fb-defio: Inhibit VM_IO flag to be set on vmalloc-ed framebuffers.
  fb-defio: If FBINFO_VIRTFB is defined, do not set VM_IO flag.
  Fix toogle whether xenbus driver should be built as module or part of kernel.

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c
index e59c08320886..44ce908a478b 100644
--- a/drivers/video/fb_defio.c
+++ b/drivers/video/fb_defio.c
@@ -144,7 +144,9 @@ static const struct address_space_operations fb_deferred_io_aops = {
 static int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
         vma->vm_ops = &fb_deferred_io_vm_ops;
-        vma->vm_flags |= ( VM_IO | VM_RESERVED | VM_DONTEXPAND );
+        vma->vm_flags |= ( VM_RESERVED | VM_DONTEXPAND );
+        if (!(info->flags & FBINFO_VIRTFB))
+                vma->vm_flags |= VM_IO;
         vma->vm_private_data = info;
         return 0;
 }