1 files changed, 25 insertions, 14 deletions

diff --git a/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/maddr.h b/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/maddr.h
index 0104de8082..77544b3ca2 100644
--- a/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/maddr.h
+++ b/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/maddr.h
@@ -9,6 +9,10 @@
 #define FOREIGN_FRAME_BIT	(1UL<<63)
 #define FOREIGN_FRAME(m)	((m) | FOREIGN_FRAME_BIT)
 
+/* Definitions for machine and pseudophysical addresses. */
+typedef unsigned long paddr_t;
+typedef unsigned long maddr_t;
+
 #ifdef CONFIG_XEN
 
 extern unsigned long *phys_to_machine_mapping;
@@ -99,20 +103,6 @@ static inline void set_phys_to_machine(unsigned long pfn, unsigned long mfn)
 	phys_to_machine_mapping[pfn] = mfn;
 }
 
-#else /* !CONFIG_XEN */
-
-#define pfn_to_mfn(pfn) (pfn)
-#define mfn_to_pfn(mfn) (mfn)
-#define mfn_to_local_pfn(mfn) (mfn)
-#define set_phys_to_machine(pfn, mfn) BUG_ON((pfn) != (mfn))
-#define phys_to_machine_mapping_valid(pfn) (1)
-
-#endif /* !CONFIG_XEN */
-
-/* Definitions for machine and pseudophysical addresses. */
-typedef unsigned long paddr_t;
-typedef unsigned long maddr_t;
-
 static inline maddr_t phys_to_machine(paddr_t phys)
 {
 	maddr_t machine = pfn_to_mfn(phys >> PAGE_SHIFT);
@@ -127,6 +117,27 @@ static inline paddr_t machine_to_phys(maddr_t machine)
 	return phys;
 }
 
+static inline paddr_t pte_machine_to_phys(maddr_t machine)
+{
+	paddr_t phys;
+	phys = mfn_to_pfn((machine & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT);
+	phys = (phys << PAGE_SHIFT) | (machine & ~PHYSICAL_PAGE_MASK);
+	return phys;
+}
+
+#else /* !CONFIG_XEN */
+
+#define pfn_to_mfn(pfn) (pfn)
+#define mfn_to_pfn(mfn) (mfn)
+#define mfn_to_local_pfn(mfn) (mfn)
+#define set_phys_to_machine(pfn, mfn) BUG_ON((pfn) != (mfn))
+#define phys_to_machine_mapping_valid(pfn) (1)
+#define phys_to_machine(phys) ((maddr_t)(phys))
+#define machine_to_phys(mach) ((paddr_t)(mach))
+#define pte_machine_to_phys(mach) ((paddr_t)(mach))
+
+#endif /* !CONFIG_XEN */
+
 /* VIRT <-> MACHINE conversion */
 #define virt_to_machine(v)	(phys_to_machine(__pa(v)))
 #define virt_to_mfn(v)		(pfn_to_mfn(__pa(v) >> PAGE_SHIFT))