cregit-Linux how code gets into the kernel

Release 4.12 include/linux/pkeys.h

Directory: include/linux
#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)

#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 bool mm_pkey_is_allocated(struct mm_struct *mm, int pkey) { return (pkey == 0); }

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Dave Hansen22100.00%1100.00%
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static inline int mm_pkey_alloc(struct mm_struct *mm) { return -1; }

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Dave Hansen16100.00%1100.00%
Total16100.00%1100.00%


static inline int mm_pkey_free(struct mm_struct *mm, int pkey) { return -EINVAL; }

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Dave Hansen19100.00%1100.00%
Total19100.00%1100.00%


static inline int arch_set_user_pkey_access(struct task_struct *tsk, int pkey, unsigned long init_val) { return 0; }

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Dave Hansen22100.00%1100.00%
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static inline void copy_init_pkru_to_fpregs(void) { }

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#endif /* ! CONFIG_ARCH_HAS_PKEYS */ #endif /* _LINUX_PKEYS_H */

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Dave Hansen145100.00%5100.00%
Total145100.00%5100.00%
Directory: include/linux
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