[PATCH v6 07/20] xen: modify grub_xen_ptr2mfn() for xen-pvh

[Juergen Gross]

grub_xen_ptr2mfn() returns the machine frame number for a given pointer
value. For Xen-PVH guests this is just the PFN. Add the PVH specific
variant.

Signed-off-by: Juergen Gross <address@hidden>
Reviewed-by: Daniel Kiper <address@hidden>
---
V5: new patch (Daniel Kiper)
---
 grub-core/kern/xen/init.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/grub-core/kern/xen/init.c b/grub-core/kern/xen/init.c
index 10007b411..a23dad633 100644
--- a/grub-core/kern/xen/init.c
+++ b/grub-core/kern/xen/init.c
@@ -45,6 +45,8 @@ grub_xen_ptr2mfn (void *ptr)
   grub_xen_mfn_t *mfn_list =
     (grub_xen_mfn_t *) grub_xen_start_page_addr->mfn_list;
   return mfn_list[(grub_addr_t) ptr >> GRUB_XEN_LOG_PAGE_SIZE];
+#else
+  return (grub_addr_t) ptr >> GRUB_XEN_LOG_PAGE_SIZE;
 #endif
 }
 
-- 
2.16.4