forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
1016 B
53 lines
1016 B
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#ifndef _LINUX_PKEYS_H |
|
#define _LINUX_PKEYS_H |
|
|
|
#include <linux/mm.h> |
|
|
|
#ifdef CONFIG_ARCH_HAS_PKEYS |
|
#include <asm/pkeys.h> |
|
#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 |
|
#define ARCH_VM_PKEY_FLAGS 0 |
|
|
|
static inline int vma_pkey(struct vm_area_struct *vma) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline bool mm_pkey_is_allocated(struct mm_struct *mm, int pkey) |
|
{ |
|
return (pkey == 0); |
|
} |
|
|
|
static inline int mm_pkey_alloc(struct mm_struct *mm) |
|
{ |
|
return -1; |
|
} |
|
|
|
static inline int mm_pkey_free(struct mm_struct *mm, int pkey) |
|
{ |
|
return -EINVAL; |
|
} |
|
|
|
static inline int arch_set_user_pkey_access(struct task_struct *tsk, int pkey, |
|
unsigned long init_val) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline bool arch_pkeys_enabled(void) |
|
{ |
|
return false; |
|
} |
|
|
|
static inline void copy_init_pkru_to_fpregs(void) |
|
{ |
|
} |
|
|
|
#endif /* ! CONFIG_ARCH_HAS_PKEYS */ |
|
|
|
#endif /* _LINUX_PKEYS_H */
|
|
|