diff options
Diffstat (limited to 'include/linux/pgtable.h')
| -rw-r--r-- | include/linux/pgtable.h | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 8c093c119e5a..780fe849ff8b 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -490,35 +490,35 @@ static inline int pudp_set_access_flags(struct vm_area_struct *vma, #endif #ifndef ptep_get -static inline pte_t ptep_get(pte_t *ptep) +static inline pte_t ptep_get(const pte_t *ptep) { return READ_ONCE(*ptep); } #endif #ifndef pmdp_get -static inline pmd_t pmdp_get(pmd_t *pmdp) +static inline pmd_t pmdp_get(const pmd_t *pmdp) { return READ_ONCE(*pmdp); } #endif #ifndef pudp_get -static inline pud_t pudp_get(pud_t *pudp) +static inline pud_t pudp_get(const pud_t *pudp) { return READ_ONCE(*pudp); } #endif #ifndef p4dp_get -static inline p4d_t p4dp_get(p4d_t *p4dp) +static inline p4d_t p4dp_get(const p4d_t *p4dp) { return READ_ONCE(*p4dp); } #endif #ifndef pgdp_get -static inline pgd_t pgdp_get(pgd_t *pgdp) +static inline pgd_t pgdp_get(const pgd_t *pgdp) { return READ_ONCE(*pgdp); } @@ -2313,6 +2313,20 @@ static inline const char *pgtable_level_to_str(enum pgtable_level level) } } +void ptval_bytes_to_hex_str(char *buf, size_t buf_size, const void *entry, size_t entry_size); + +#define ptval_to_str(buf, val) \ + do { \ + auto __val = (val); \ + \ + ptval_bytes_to_hex_str((buf), sizeof(buf), &__val, sizeof(__val)); \ + } while (0) + +#if defined(__SIZEOF_INT128__) +#define PTVAL_STR_MAX (32 + 1) /* Max 128-bit value in hex + NUL */ +#else +#define PTVAL_STR_MAX (16 + 1) /* Max 64-bit value in hex + NUL */ +#endif #endif /* !__ASSEMBLER__ */ #if !defined(MAX_POSSIBLE_PHYSMEM_BITS) && !defined(CONFIG_64BIT) |