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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /include/asm-generic/pgtable_uffd.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/asm-generic/pgtable_uffd.h')
-rw-r--r-- | include/asm-generic/pgtable_uffd.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/asm-generic/pgtable_uffd.h b/include/asm-generic/pgtable_uffd.h new file mode 100644 index 000000000..828966d4c --- /dev/null +++ b/include/asm-generic/pgtable_uffd.h @@ -0,0 +1,66 @@ +#ifndef _ASM_GENERIC_PGTABLE_UFFD_H +#define _ASM_GENERIC_PGTABLE_UFFD_H + +#ifndef CONFIG_HAVE_ARCH_USERFAULTFD_WP +static __always_inline int pte_uffd_wp(pte_t pte) +{ + return 0; +} + +static __always_inline int pmd_uffd_wp(pmd_t pmd) +{ + return 0; +} + +static __always_inline pte_t pte_mkuffd_wp(pte_t pte) +{ + return pte; +} + +static __always_inline pmd_t pmd_mkuffd_wp(pmd_t pmd) +{ + return pmd; +} + +static __always_inline pte_t pte_clear_uffd_wp(pte_t pte) +{ + return pte; +} + +static __always_inline pmd_t pmd_clear_uffd_wp(pmd_t pmd) +{ + return pmd; +} + +static __always_inline pte_t pte_swp_mkuffd_wp(pte_t pte) +{ + return pte; +} + +static __always_inline int pte_swp_uffd_wp(pte_t pte) +{ + return 0; +} + +static __always_inline pte_t pte_swp_clear_uffd_wp(pte_t pte) +{ + return pte; +} + +static inline pmd_t pmd_swp_mkuffd_wp(pmd_t pmd) +{ + return pmd; +} + +static inline int pmd_swp_uffd_wp(pmd_t pmd) +{ + return 0; +} + +static inline pmd_t pmd_swp_clear_uffd_wp(pmd_t pmd) +{ + return pmd; +} +#endif /* CONFIG_HAVE_ARCH_USERFAULTFD_WP */ + +#endif /* _ASM_GENERIC_PGTABLE_UFFD_H */ |