| #include <linux/mm_types.h> |
| #include <asm/mmu_context.h> |
| #define PKEY_DISABLE_ACCESS 0x1 |
| #define PKEY_DISABLE_WRITE 0x2 |
| #define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\ |
| #ifdef CONFIG_ARCH_HAS_PKEYS |
| #else /* ! CONFIG_ARCH_HAS_PKEYS */ |
| #define arch_max_pkey() (1) |
| #define execute_only_pkey(mm) (0) |
| #define arch_override_mprotect_pkey(vma, prot, pkey) (0) |
| #define PKEY_DEDICATED_EXECUTE_ONLY 0 |
| #endif /* ! CONFIG_ARCH_HAS_PKEYS */ |
| * This is called from mprotect_pkey(). |
| * Returns true if the protection keys is valid. |
| static inline bool validate_pkey(int pkey) |
| return (pkey < arch_max_pkey()); |
| #endif /* _LINUX_PKEYS_H */ |