Use arbitrary_virt_to_machine() to deal with ioremapped pmd updates.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index eb6d83a458c..c03101e4742 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -233,7 +233,7 @@ static void xen_set_pmd_hyper(pmd_t *ptr, pmd_t val)
         xen_mc_batch();
 
         /* ptr may be ioremapped for 64-bit pagetable setup */
-        u.ptr = virt_to_machine(ptr).maddr;
+        u.ptr = arbitrary_virt_to_machine(ptr).maddr;
         u.val = pmd_val_ma(val);
         xen_extend_mmu_update(&u);