Eric Lee / smarc-fsl-linux-kernel

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include/linux/pkeys.h 916 Bytes
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b24413180   Greg Kroah-Hartman   License cleanup: ... 
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  /* SPDX-License-Identifier: GPL-2.0 */
66d375709   Dave Hansen   mm/core, x86/mm/p... 
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  #ifndef _LINUX_PKEYS_H
  #define _LINUX_PKEYS_H
  
  #include <linux/mm_types.h>
  #include <asm/mmu_context.h>
  
  #ifdef CONFIG_ARCH_HAS_PKEYS
  #include <asm/pkeys.h>
  #else /* ! CONFIG_ARCH_HAS_PKEYS */
  #define arch_max_pkey() (1)
62b5f7d01   Dave Hansen   mm/core, x86/mm/p... 
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  #define execute_only_pkey(mm) (0)
  #define arch_override_mprotect_pkey(vma, prot, pkey) (0)
  #define PKEY_DEDICATED_EXECUTE_ONLY 0
a8502b67d   Dave Hansen   x86/pkeys: Make m... 
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  #define ARCH_VM_PKEY_FLAGS 0
e8c24d3a2   Dave Hansen   x86/pkeys: Alloca... 
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  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)
  {
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  	return -EINVAL;
  }
  
  static inline int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
  			unsigned long init_val)
  {
  	return 0;
  }
acd547b29   Dave Hansen   x86/pkeys: Defaul... 
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  static inline void copy_init_pkru_to_fpregs(void)
  {
  }
66d375709   Dave Hansen   mm/core, x86/mm/p... 
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  #endif /* ! CONFIG_ARCH_HAS_PKEYS */
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  #endif /* _LINUX_PKEYS_H */