diff options
Diffstat (limited to 'arch/loongarch/include/asm/pgtable-bits.h')
| -rw-r--r-- | arch/loongarch/include/asm/pgtable-bits.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/loongarch/include/asm/pgtable-bits.h b/arch/loongarch/include/asm/pgtable-bits.h index 21319c1e045c..45bfc65a0c9f 100644 --- a/arch/loongarch/include/asm/pgtable-bits.h +++ b/arch/loongarch/include/asm/pgtable-bits.h @@ -22,6 +22,7 @@ #define _PAGE_PFN_SHIFT 12 #define _PAGE_SWP_EXCLUSIVE_SHIFT 23 #define _PAGE_PFN_END_SHIFT 48 +#define _PAGE_DEVMAP_SHIFT 59 #define _PAGE_PRESENT_INVALID_SHIFT 60 #define _PAGE_NO_READ_SHIFT 61 #define _PAGE_NO_EXEC_SHIFT 62 @@ -35,6 +36,7 @@ #define _PAGE_MODIFIED (_ULCAST_(1) << _PAGE_MODIFIED_SHIFT) #define _PAGE_PROTNONE (_ULCAST_(1) << _PAGE_PROTNONE_SHIFT) #define _PAGE_SPECIAL (_ULCAST_(1) << _PAGE_SPECIAL_SHIFT) +#define _PAGE_DEVMAP (_ULCAST_(1) << _PAGE_DEVMAP_SHIFT) /* We borrow bit 23 to store the exclusive marker in swap PTEs. */ #define _PAGE_SWP_EXCLUSIVE (_ULCAST_(1) << _PAGE_SWP_EXCLUSIVE_SHIFT) @@ -74,8 +76,8 @@ #define __READABLE (_PAGE_VALID) #define __WRITEABLE (_PAGE_DIRTY | _PAGE_WRITE) -#define _PAGE_CHG_MASK (_PAGE_MODIFIED | _PAGE_SPECIAL | _PFN_MASK | _CACHE_MASK | _PAGE_PLV) -#define _HPAGE_CHG_MASK (_PAGE_MODIFIED | _PAGE_SPECIAL | _PFN_MASK | _CACHE_MASK | _PAGE_PLV | _PAGE_HUGE) +#define _PAGE_CHG_MASK (_PAGE_MODIFIED | _PAGE_SPECIAL | _PAGE_DEVMAP | _PFN_MASK | _CACHE_MASK | _PAGE_PLV) +#define _HPAGE_CHG_MASK (_PAGE_MODIFIED | _PAGE_SPECIAL | _PAGE_DEVMAP | _PFN_MASK | _CACHE_MASK | _PAGE_PLV | _PAGE_HUGE) #define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_NO_READ | \ _PAGE_USER | _CACHE_CC) @@ -94,6 +96,13 @@ #define _PAGE_IOREMAP pgprot_val(PAGE_KERNEL_SUC) +#define pgprot_nx pgprot_nx + +static inline pgprot_t pgprot_nx(pgprot_t _prot) +{ + return __pgprot(pgprot_val(_prot) | _PAGE_NO_EXEC); +} + #define pgprot_noncached pgprot_noncached static inline pgprot_t pgprot_noncached(pgprot_t _prot) |