diff options
Diffstat (limited to 'arch/arm/include/asm/pgtable.h')
-rw-r--r-- | arch/arm/include/asm/pgtable.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index 08c12312a1f9..9c82f988c0e3 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h | |||
@@ -73,7 +73,7 @@ extern pgprot_t pgprot_kernel; | |||
73 | 73 | ||
74 | #define _MOD_PROT(p, b) __pgprot(pgprot_val(p) | (b)) | 74 | #define _MOD_PROT(p, b) __pgprot(pgprot_val(p) | (b)) |
75 | 75 | ||
76 | #define PAGE_NONE _MOD_PROT(pgprot_user, L_PTE_XN | L_PTE_RDONLY) | 76 | #define PAGE_NONE _MOD_PROT(pgprot_user, L_PTE_XN | L_PTE_RDONLY | L_PTE_NONE) |
77 | #define PAGE_SHARED _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_XN) | 77 | #define PAGE_SHARED _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_XN) |
78 | #define PAGE_SHARED_EXEC _MOD_PROT(pgprot_user, L_PTE_USER) | 78 | #define PAGE_SHARED_EXEC _MOD_PROT(pgprot_user, L_PTE_USER) |
79 | #define PAGE_COPY _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_RDONLY | L_PTE_XN) | 79 | #define PAGE_COPY _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_RDONLY | L_PTE_XN) |
@@ -83,7 +83,7 @@ extern pgprot_t pgprot_kernel; | |||
83 | #define PAGE_KERNEL _MOD_PROT(pgprot_kernel, L_PTE_XN) | 83 | #define PAGE_KERNEL _MOD_PROT(pgprot_kernel, L_PTE_XN) |
84 | #define PAGE_KERNEL_EXEC pgprot_kernel | 84 | #define PAGE_KERNEL_EXEC pgprot_kernel |
85 | 85 | ||
86 | #define __PAGE_NONE __pgprot(_L_PTE_DEFAULT | L_PTE_RDONLY | L_PTE_XN) | 86 | #define __PAGE_NONE __pgprot(_L_PTE_DEFAULT | L_PTE_RDONLY | L_PTE_XN | L_PTE_NONE) |
87 | #define __PAGE_SHARED __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_XN) | 87 | #define __PAGE_SHARED __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_XN) |
88 | #define __PAGE_SHARED_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER) | 88 | #define __PAGE_SHARED_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER) |
89 | #define __PAGE_COPY __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_RDONLY | L_PTE_XN) | 89 | #define __PAGE_COPY __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_RDONLY | L_PTE_XN) |
@@ -203,9 +203,7 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd) | |||
203 | #define pte_exec(pte) (!(pte_val(pte) & L_PTE_XN)) | 203 | #define pte_exec(pte) (!(pte_val(pte) & L_PTE_XN)) |
204 | #define pte_special(pte) (0) | 204 | #define pte_special(pte) (0) |
205 | 205 | ||
206 | #define pte_present_user(pte) \ | 206 | #define pte_present_user(pte) (pte_present(pte) && (pte_val(pte) & L_PTE_USER)) |
207 | ((pte_val(pte) & (L_PTE_PRESENT | L_PTE_USER)) == \ | ||
208 | (L_PTE_PRESENT | L_PTE_USER)) | ||
209 | 207 | ||
210 | #if __LINUX_ARM_ARCH__ < 6 | 208 | #if __LINUX_ARM_ARCH__ < 6 |
211 | static inline void __sync_icache_dcache(pte_t pteval) | 209 | static inline void __sync_icache_dcache(pte_t pteval) |
@@ -242,7 +240,7 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } | |||
242 | 240 | ||
243 | static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) | 241 | static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) |
244 | { | 242 | { |
245 | const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER; | 243 | const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER | L_PTE_NONE; |
246 | pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask); | 244 | pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask); |
247 | return pte; | 245 | return pte; |
248 | } | 246 | } |