cregit-Linux how code gets into the kernel

Release 4.16 include/linux/pkeys.h

Directory: include/linux
/* SPDX-License-Identifier: GPL-2.0 */
#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); }

Contributors

PersonTokensPropCommitsCommitProp
Dave Hansen22100.00%1100.00%
Total22100.00%1100.00%


static inline int mm_pkey_alloc(struct mm_struct *mm) { return -1; }

Contributors

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


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

Contributors

PersonTokensPropCommitsCommitProp
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; }

Contributors

PersonTokensPropCommitsCommitProp
Dave Hansen22100.00%1100.00%
Total22100.00%1100.00%


static inline void copy_init_pkru_to_fpregs(void) { }

Contributors

PersonTokensPropCommitsCommitProp
Dave Hansen8100.00%1100.00%
Total8100.00%1100.00%

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

Overall Contributors

PersonTokensPropCommitsCommitProp
Dave Hansen14599.32%583.33%
Greg Kroah-Hartman10.68%116.67%
Total146100.00%6100.00%
Directory: include/linux
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