acrn-kernel/include/asm-generic/pgtable_uffd.h

67 lines
1.0 KiB
C

#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 */