1 files changed, 27 insertions, 10 deletions

diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h
index ce142ef99ba7..c4a72c7a8c83 100644
--- a/arch/powerpc/include/asm/pte-common.h
+++ b/arch/powerpc/include/asm/pte-common.h
@@ -8,9 +8,6 @@
 #ifndef _PAGE_HASHPTE
 #define _PAGE_HASHPTE	0
 #endif
-#ifndef _PAGE_SHARED
-#define _PAGE_SHARED	0
-#endif
 #ifndef _PAGE_HWWRITE
 #define _PAGE_HWWRITE	0
 #endif
@@ -45,6 +42,20 @@
 #ifndef _PAGE_PTE
 #define _PAGE_PTE 0
 #endif
+/* At least one of _PAGE_PRIVILEGED or _PAGE_USER must be defined */
+#ifndef _PAGE_PRIVILEGED
+#define _PAGE_PRIVILEGED 0
+#else
+#ifndef _PAGE_USER
+#define _PAGE_USER 0
+#endif
+#endif
+#ifndef _PAGE_NA
+#define _PAGE_NA 0
+#endif
+#ifndef _PAGE_HUGE
+#define _PAGE_HUGE 0
+#endif
 
 #ifndef _PMD_PRESENT_MASK
 #define _PMD_PRESENT_MASK	_PMD_PRESENT
@@ -53,17 +64,22 @@
 #define _PMD_SIZE	0
 #define PMD_PAGE_SIZE(pmd)	bad_call_to_PMD_PAGE_SIZE()
 #endif
+#ifndef _PMD_USER
+#define _PMD_USER	0
+#endif
 #ifndef _PAGE_KERNEL_RO
-#define _PAGE_KERNEL_RO		(_PAGE_RO)
+#define _PAGE_KERNEL_RO		(_PAGE_PRIVILEGED | _PAGE_RO)
 #endif
 #ifndef _PAGE_KERNEL_ROX
-#define _PAGE_KERNEL_ROX	(_PAGE_EXEC | _PAGE_RO)
+#define _PAGE_KERNEL_ROX	(_PAGE_PRIVILEGED | _PAGE_RO | _PAGE_EXEC)
 #endif
 #ifndef _PAGE_KERNEL_RW
-#define _PAGE_KERNEL_RW		(_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE)
+#define _PAGE_KERNEL_RW		(_PAGE_PRIVILEGED | _PAGE_DIRTY | _PAGE_RW | \
+				 _PAGE_HWWRITE)
 #endif
 #ifndef _PAGE_KERNEL_RWX
-#define _PAGE_KERNEL_RWX	(_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE | _PAGE_EXEC)
+#define _PAGE_KERNEL_RWX	(_PAGE_PRIVILEGED | _PAGE_DIRTY | _PAGE_RW | \
+				 _PAGE_HWWRITE | _PAGE_EXEC)
 #endif
 #ifndef _PAGE_HPTEFLAGS
 #define _PAGE_HPTEFLAGS _PAGE_HASHPTE
@@ -85,7 +101,7 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void);
  */
 static inline bool pte_user(pte_t pte)
 {
-	return (pte_val(pte) & _PAGE_USER) == _PAGE_USER;
+	return (pte_val(pte) & (_PAGE_USER | _PAGE_PRIVILEGED)) == _PAGE_USER;
 }
 #endif /* __ASSEMBLY__ */
 
@@ -115,7 +131,8 @@ static inline bool pte_user(pte_t pte)
 /* Mask of bits returned by pte_pgprot() */
 #define PAGE_PROT_BITS	(_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \
 			 _PAGE_WRITETHRU | _PAGE_ENDIAN | _PAGE_4K_PFN | \
-			 _PAGE_USER | _PAGE_ACCESSED | _PAGE_RO | \
+			 _PAGE_USER | _PAGE_ACCESSED | _PAGE_RO | _PAGE_NA | \
+			 _PAGE_PRIVILEGED | \
 			 _PAGE_RW | _PAGE_HWWRITE | _PAGE_DIRTY | _PAGE_EXEC)
 
 /*
@@ -142,7 +159,7 @@ static inline bool pte_user(pte_t pte)
  *
  * Note due to the way vm flags are laid out, the bits are XWR
  */
-#define PAGE_NONE	__pgprot(_PAGE_BASE)
+#define PAGE_NONE	__pgprot(_PAGE_BASE | _PAGE_NA)
 #define PAGE_SHARED	__pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW)
 #define PAGE_SHARED_X	__pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW | \
 				 _PAGE_EXEC)