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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-08-02 18:13:56 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-25 02:20:24 +0300 |
| commit | a3e1c9372c9b95945aa58f318990cf3e4bf2881d (patch) | |
| tree | 180906d0b224f171f7e2a6ab01fdc3a4857b925d /arch/x86 | |
| parent | fd8132e6e9fdecb9ff7d1db98014d372e03f3c9d (diff) | |
| download | linux-a3e1c9372c9b95945aa58f318990cf3e4bf2881d.tar.xz | |
x86: implement the new page table range API
Add PFN_PTE_SHIFT and a noop update_mmu_cache_range().
Link: https://lkml.kernel.org/r/20230802151406.3735276-29-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/pgtable.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index cd0b6337d03c..dbf8af70b7c2 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -185,6 +185,8 @@ static inline int pte_special(pte_t pte) static inline u64 protnone_mask(u64 val); +#define PFN_PTE_SHIFT PAGE_SHIFT + static inline unsigned long pte_pfn(pte_t pte) { phys_addr_t pfn = pte_val(pte); @@ -1020,13 +1022,6 @@ static inline pud_t native_local_pudp_get_and_clear(pud_t *pudp) return res; } -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte) -{ - page_table_check_ptes_set(mm, ptep, pte, 1); - set_pte(ptep, pte); -} - static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd) { @@ -1292,6 +1287,11 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { } +static inline void update_mmu_cache_range(struct vm_fault *vmf, + struct vm_area_struct *vma, unsigned long addr, + pte_t *ptep, unsigned int nr) +{ +} static inline void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd) { |