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| author | Mark Brown <broonie@kernel.org> | 2015-01-24 11:54:15 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-01-24 11:54:15 +0000 |
| commit | 429421a879dd2d62ac3573ba23d9faac162f5621 (patch) | |
| tree | 9eda98c6222bf72739b7b1a3a63a134296986235 /arch/arm64/include/asm/pgtable.h | |
| parent | 8df8c7d7220e4ea159ca57edbf7f2c6cbf6a7278 (diff) | |
| parent | 15f82fce54b86e159fe5a1d41dcdc89e12b26459 (diff) | |
Merge branch 'linux-linaro-lsk' into linux-linaro-lsk-androidlsk-v3.10-android-15.01
Diffstat (limited to 'arch/arm64/include/asm/pgtable.h')
| -rw-r--r-- | arch/arm64/include/asm/pgtable.h | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 7099e3b84778..d86b4d4df1f0 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -141,46 +141,51 @@ extern struct page *empty_zero_page; #define pte_valid_not_user(pte) \ ((pte_val(pte) & (PTE_VALID | PTE_USER)) == PTE_VALID) -static inline pte_t pte_wrprotect(pte_t pte) +static inline pte_t clear_pte_bit(pte_t pte, pgprot_t prot) { - pte_val(pte) &= ~PTE_WRITE; + pte_val(pte) &= ~pgprot_val(prot); return pte; } -static inline pte_t pte_mkwrite(pte_t pte) +static inline pte_t set_pte_bit(pte_t pte, pgprot_t prot) { - pte_val(pte) |= PTE_WRITE; + pte_val(pte) |= pgprot_val(prot); return pte; } +static inline pte_t pte_wrprotect(pte_t pte) +{ + return clear_pte_bit(pte, __pgprot(PTE_WRITE)); +} + +static inline pte_t pte_mkwrite(pte_t pte) +{ + return set_pte_bit(pte, __pgprot(PTE_WRITE)); +} + static inline pte_t pte_mkclean(pte_t pte) { - pte_val(pte) &= ~PTE_DIRTY; - return pte; + return clear_pte_bit(pte, __pgprot(PTE_DIRTY)); } static inline pte_t pte_mkdirty(pte_t pte) { - pte_val(pte) |= PTE_DIRTY; - return pte; + return set_pte_bit(pte, __pgprot(PTE_DIRTY)); } static inline pte_t pte_mkold(pte_t pte) { - pte_val(pte) &= ~PTE_AF; - return pte; + return clear_pte_bit(pte, __pgprot(PTE_AF)); } static inline pte_t pte_mkyoung(pte_t pte) { - pte_val(pte) |= PTE_AF; - return pte; + return set_pte_bit(pte, __pgprot(PTE_AF)); } static inline pte_t pte_mkspecial(pte_t pte) { - pte_val(pte) |= PTE_SPECIAL; - return pte; + return set_pte_bit(pte, __pgprot(PTE_SPECIAL)); } static inline void set_pte(pte_t *ptep, pte_t pte) |