xen64: add extra pv_mmu_ops

We need extra pv_mmu_ops for 64-bit, to deal with the extra level of
pagetable.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/asm-x86/xen/page.h b/include/asm-x86/xen/page.h
index 377c04591c15..a40be65e8eae 100644
--- a/include/asm-x86/xen/page.h
+++ b/include/asm-x86/xen/page.h
@@ -148,7 +148,11 @@ static inline pte_t __pte_ma(pteval_t x)
 }
 
 #define pmd_val_ma(v) ((v).pmd)
+#ifdef __PAGETABLE_PUD_FOLDED
 #define pud_val_ma(v) ((v).pgd.pgd)
+#else
+#define pud_val_ma(v) ((v).pud)
+#endif
 #define __pmd_ma(x)     ((pmd_t) { (x) } )
 
 #define pgd_val_ma(x)   ((x).pgd)