commit 5e15d79b8681c7f4e2079833288785708e7520d3
author Alex Williamson <alex.williamson@redhat.com> Wed Sep 23 13:04:44 2015 -0600
committer Alex Williamson <alex.williamson@redhat.com> Wed Sep 23 13:04:44 2015 -0600
tree 0f9e0c017a180b7828cf9cdf824ad15974f36195
parent 46746dbaa8c2c421b9bda78193caad57d7fb1136

vfio: Change polarity of our no-mmap option

The default should be to allow mmap and new drivers shouldn't need to
expose an option or set it to other than the allocation default in
their initfn.  Take advantage of the experimental flag to change this
option to the correct polarity.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

hw/vfio/common.c

diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index 6d21311..0d341a3 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -496,7 +496,7 @@
     int ret = 0;
     VFIODevice *vbasedev = region->vbasedev;
 
-    if (vbasedev->allow_mmap && size && region->flags &
+    if (!vbasedev->no_mmap && size && region->flags &
         VFIO_REGION_INFO_FLAG_MMAP) {
         int prot = 0;