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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-08-09 09:31:40 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-08-09 09:31:40 -0700 |
| commit | 15a555a4b8be26683d77df8d5dbe8ac83f5ec3a6 (patch) | |
| tree | f977510e24ad0c14e3543c1477576025315fe87e | |
| parent | cb7ef4bc927233304aeeeb891c1cfc5ad6f87975 (diff) | |
| parent | 30e235389faadb9e3d918887b1f126155d7d761d (diff) | |
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Fix bad_pte warning caused by pte_mkdevmap() not setting PTE_SPECIAL"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mm: add missing PTE_SPECIAL in pte_mkdevmap on arm64
| -rw-r--r-- | arch/arm64/include/asm/pgtable.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 5fdcfe237338..e09760ece844 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -209,7 +209,7 @@ static inline pmd_t pmd_mkcont(pmd_t pmd) static inline pte_t pte_mkdevmap(pte_t pte) { - return set_pte_bit(pte, __pgprot(PTE_DEVMAP)); + return set_pte_bit(pte, __pgprot(PTE_DEVMAP | PTE_SPECIAL)); } static inline void set_pte(pte_t *ptep, pte_t pte) @@ -396,7 +396,10 @@ static inline int pmd_protnone(pmd_t pmd) #ifdef CONFIG_TRANSPARENT_HUGEPAGE #define pmd_devmap(pmd) pte_devmap(pmd_pte(pmd)) #endif -#define pmd_mkdevmap(pmd) pte_pmd(pte_mkdevmap(pmd_pte(pmd))) +static inline pmd_t pmd_mkdevmap(pmd_t pmd) +{ + return pte_pmd(set_pte_bit(pmd_pte(pmd), __pgprot(PTE_DEVMAP))); +} #define __pmd_to_phys(pmd) __pte_to_phys(pmd_pte(pmd)) #define __phys_to_pmd_val(phys) __phys_to_pte_val(phys) |