LCOV - code coverage report
Current view: top level - include/linux - pkeys.h (source / functions) Hit Total Coverage
Test: landlock.info Lines: 2 4 50.0 %
Date: 2021-04-22 12:43:58 Functions: 0 0 -

          Line data    Source code
       1             : /* SPDX-License-Identifier: GPL-2.0 */
       2             : #ifndef _LINUX_PKEYS_H
       3             : #define _LINUX_PKEYS_H
       4             : 
       5             : #include <linux/mm.h>
       6             : 
       7             : #ifdef CONFIG_ARCH_HAS_PKEYS
       8             : #include <asm/pkeys.h>
       9             : #else /* ! CONFIG_ARCH_HAS_PKEYS */
      10             : #define arch_max_pkey() (1)
      11             : #define execute_only_pkey(mm) (0)
      12             : #define arch_override_mprotect_pkey(vma, prot, pkey) (0)
      13             : #define PKEY_DEDICATED_EXECUTE_ONLY 0
      14             : #define ARCH_VM_PKEY_FLAGS 0
      15             : 
      16      349795 : static inline int vma_pkey(struct vm_area_struct *vma)
      17             : {
      18      349795 :         return 0;
      19             : }
      20             : 
      21           0 : static inline bool mm_pkey_is_allocated(struct mm_struct *mm, int pkey)
      22             : {
      23           0 :         return (pkey == 0);
      24             : }
      25             : 
      26             : static inline int mm_pkey_alloc(struct mm_struct *mm)
      27             : {
      28             :         return -1;
      29             : }
      30             : 
      31             : static inline int mm_pkey_free(struct mm_struct *mm, int pkey)
      32             : {
      33             :         return -EINVAL;
      34             : }
      35             : 
      36             : static inline int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
      37             :                         unsigned long init_val)
      38             : {
      39             :         return 0;
      40             : }
      41             : 
      42             : static inline bool arch_pkeys_enabled(void)
      43             : {
      44             :         return false;
      45             : }
      46             : 
      47             : static inline void copy_init_pkru_to_fpregs(void)
      48             : {
      49             : }
      50             : 
      51             : #endif /* ! CONFIG_ARCH_HAS_PKEYS */
      52             : 
      53             : #endif /* _LINUX_PKEYS_H */

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