diff options
Diffstat (limited to 'arch/powerpc/include/asm/pte-common.h')
| -rw-r--r-- | arch/powerpc/include/asm/pte-common.h | 37 |
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) |