diff options
Diffstat (limited to 'arch/powerpc/include/asm/nohash')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/32/pgtable.h | 12 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/nohash/pgtable.h | 3 |
2 files changed, 9 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h index 6fecfd7854f5..a4156da4a7a4 100644 --- a/arch/powerpc/include/asm/nohash/32/pgtable.h +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h @@ -277,7 +277,10 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - pte_update(ptep, (_PAGE_RW | _PAGE_HWWRITE), _PAGE_RO); + unsigned long clr = ~pte_val(pte_wrprotect(__pte(~0))); + unsigned long set = pte_val(pte_wrprotect(__pte(0))); + + pte_update(ptep, clr, set); } static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) @@ -291,9 +294,10 @@ static inline void __ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address, int psize) { - unsigned long set = pte_val(entry) & - (_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC); - unsigned long clr = ~pte_val(entry) & (_PAGE_RO | _PAGE_NA); + pte_t pte_set = pte_mkyoung(pte_mkdirty(pte_mkwrite(pte_mkexec(__pte(0))))); + pte_t pte_clr = pte_mkyoung(pte_mkdirty(pte_mkwrite(pte_mkexec(__pte(~0))))); + unsigned long set = pte_val(entry) & pte_val(pte_set); + unsigned long clr = ~pte_val(entry) & ~pte_val(pte_clr); pte_update(ptep, clr, set); diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h index b256e38a047c..062d96233673 100644 --- a/arch/powerpc/include/asm/nohash/pgtable.h +++ b/arch/powerpc/include/asm/nohash/pgtable.h @@ -32,8 +32,7 @@ static inline pgprot_t pte_pgprot(pte_t pte) { return __pgprot(pte_val(pte) & PA */ static inline int pte_protnone(pte_t pte) { - return (pte_val(pte) & - (_PAGE_PRESENT | _PAGE_USER)) == _PAGE_PRESENT; + return pte_present(pte) && !pte_user(pte); } static inline int pmd_protnone(pmd_t pmd) |