xen/fb: allow xenfb initialization for hvm guests

There is no reasons why an HVM guest shouldn't be allowed to use xenfb.
As a matter of fact ARM guests, HVM from Linux POV, can use xenfb.
Given that no Xen toolstacks configure a xenfb backend for x86 HVM
guests, they are not affected.

Please note that at this time QEMU needs few outstanding fixes to
provide xenfb on ARM:

http://marc.info/?l=qemu-devel&m=138739419700837&w=2

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: David Vrabel <david.vrabel@citrix.com>
CC: boris.ostrovsky@oracle.com
CC: plagnioj@jcrosoft.com
CC: tomi.valkeinen@ti.com
CC: linux-fbdev@vger.kernel.org
CC: konrad.wilk@oracle.com
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
index 4b2d3ab..901014b 100644 (file)
--- a/drivers/video/xen-fbfront.c
+++ b/drivers/video/xen-fbfront.c
@@ -693,7 +693,7 @@ static DEFINE_XENBUS_DRIVER(xenfb, ,
 
 static int __init xenfb_init(void)
 {
-       if (!xen_pv_domain())
+       if (!xen_domain())
                return -ENODEV;
 
        /* Nothing to do if running in dom0. */