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Searched refs:ptep (Results 1 – 25 of 235) sorted by relevance

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/linux/arch/arm64/mm/
H A Dcontpte.c24 static inline pte_t *contpte_align_down(pte_t *ptep) in contpte_align_down() argument
26 return PTR_ALIGN_DOWN(ptep, sizeof(*ptep) * CONT_PTES); in contpte_align_down()
30 pte_t *ptep, unsigned int nr) in contpte_try_unfold_partial() argument
37 if (ptep != contpte_align_down(ptep) || nr < CONT_PTES) in contpte_try_unfold_partial()
38 contpte_try_unfold(mm, addr, ptep, __ptep_get(ptep)); in contpte_try_unfold_partial()
40 if (ptep + nr != contpte_align_down(ptep + nr)) { in contpte_try_unfold_partial()
42 pte_t *last_ptep = ptep + nr - 1; in contpte_try_unfold_partial()
50 pte_t *ptep, pte_t pte) in contpte_convert() argument
57 start_ptep = ptep = contpte_align_down(ptep); in contpte_convert()
61 for (i = 0; i < CONT_PTES; i++, ptep++, addr += PAGE_SIZE) { in contpte_convert()
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H A Dhugetlbpage.c83 pte_t *ptep, size_t *pgsize) in find_num_contig() argument
94 if ((pte_t *)pmdp == ptep) { in find_num_contig()
123 pte_t huge_ptep_get(struct mm_struct *mm, unsigned long addr, pte_t *ptep) in huge_ptep_get() argument
127 pte_t orig_pte = __ptep_get(ptep); in huge_ptep_get()
132 ncontig = find_num_contig(mm, addr, ptep, &pgsize); in huge_ptep_get()
133 for (i = 0; i < ncontig; i++, ptep++) { in huge_ptep_get()
134 pte_t pte = __ptep_get(ptep); in huge_ptep_get()
155 pte_t *ptep, in get_clear_contig() argument
162 pte = __ptep_get_and_clear_anysz(mm, ptep, pgsize); in get_clear_contig()
165 ptep++; in get_clear_contig()
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/linux/arch/s390/mm/
H A Dpgtable.c41 pte_t *ptep, int nodat) in ptep_ipte_local() argument
54 __ptep_ipte(addr, ptep, opt, asce, IPTE_LOCAL); in ptep_ipte_local()
56 __ptep_ipte(addr, ptep, 0, 0, IPTE_LOCAL); in ptep_ipte_local()
61 pte_t *ptep, int nodat) in ptep_ipte_global() argument
74 __ptep_ipte(addr, ptep, opt, asce, IPTE_GLOBAL); in ptep_ipte_global()
76 __ptep_ipte(addr, ptep, 0, 0, IPTE_GLOBAL); in ptep_ipte_global()
81 unsigned long addr, pte_t *ptep, in ptep_flush_direct() argument
86 old = *ptep; in ptep_flush_direct()
92 ptep_ipte_local(mm, addr, ptep, nodat); in ptep_flush_direct()
94 ptep_ipte_global(mm, addr, ptep, nodat); in ptep_flush_direct()
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/linux/arch/riscv/mm/
H A Dhugetlbpage.c6 pte_t huge_ptep_get(struct mm_struct *mm, unsigned long addr, pte_t *ptep) in huge_ptep_get() argument
10 pte_t orig_pte = ptep_get(ptep); in huge_ptep_get()
17 for (i = 0; i < pte_num; i++, ptep++) { in huge_ptep_get()
18 pte_t pte = ptep_get(ptep); in huge_ptep_get()
150 pte_t *ptep, in get_clear_contig() argument
156 pte = ptep_get_and_clear(mm, addr, ptep); in get_clear_contig()
159 ptep++; in get_clear_contig()
161 tmp_pte = ptep_get_and_clear(mm, addr, ptep); in get_clear_contig()
174 pte_t *ptep, in get_clear_contig_flush() argument
177 pte_t orig_pte = get_clear_contig(mm, addr, ptep, pte_num); in get_clear_contig_flush()
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/linux/arch/riscv/kvm/
H A Dgstage.c83 pte_t *ptep; in kvm_riscv_gstage_get_leaf() local
87 ptep = (pte_t *)gstage->pgd; in kvm_riscv_gstage_get_leaf()
88 ptep = &ptep[gstage_pte_index(addr, current_level)]; in kvm_riscv_gstage_get_leaf()
89 while (ptep && pte_val(ptep_get(ptep))) { in kvm_riscv_gstage_get_leaf()
90 if (gstage_pte_leaf(ptep)) { in kvm_riscv_gstage_get_leaf()
92 *ptepp = ptep; in kvm_riscv_gstage_get_leaf()
99 ptep = (pte_t *)gstage_pte_page_vaddr(ptep_get(ptep)); in kvm_riscv_gstage_get_leaf()
100 ptep = &ptep[gstage_pte_index(addr, current_level)]; in kvm_riscv_gstage_get_leaf()
102 ptep = NULL; in kvm_riscv_gstage_get_leaf()
130 pte_t *ptep = &next_ptep[gstage_pte_index(map->addr, current_level)]; in kvm_riscv_gstage_set_pte() local
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/linux/arch/s390/include/asm/
H A Dhugetlb.h22 pte_t *ptep, pte_t pte, unsigned long sz);
24 pte_t *ptep, pte_t pte);
27 pte_t huge_ptep_get(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
30 pte_t *ptep);
34 unsigned long addr, pte_t *ptep, in huge_ptep_get_and_clear() argument
37 return __huge_ptep_get_and_clear(mm, addr, ptep); in huge_ptep_get_and_clear()
48 pte_t *ptep, unsigned long sz) in huge_pte_clear() argument
50 if ((pte_val(*ptep) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R3) in huge_pte_clear()
51 set_pte(ptep, __pte(_REGION3_ENTRY_EMPTY)); in huge_pte_clear()
53 set_pte(ptep, __pte(_SEGMENT_ENTRY_EMPTY)); in huge_pte_clear()
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/linux/drivers/iommu/
H A Dio-pgtable-dart.c115 dart_iopte *ptep) in dart_init_pte() argument
122 if (ptep[i] & APPLE_DART_PTE_VALID) { in dart_init_pte()
124 WARN_ON(ptep[i] & APPLE_DART_PTE_VALID); in dart_init_pte()
135 ptep[i] = pte | paddr_to_iopte(paddr + i * sz, data); in dart_init_pte()
141 dart_iopte *ptep, in dart_install_table() argument
156 old = cmpxchg64_relaxed(ptep, curr, new); in dart_install_table()
176 dart_iopte pte, *ptep; in dart_get_last() local
183 ptep = data->pgd[tbl]; in dart_get_last()
184 if (!ptep) in dart_get_last()
188 ptep += dart_get_index(data, iova, level); in dart_get_last()
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H A Dio-pgtable-arm.c156 #define iopte_set_writeable_clean(ptep) \ argument
157 set_bit(ARM_LPAE_PTE_AP_RDONLY_BIT, (unsigned long *)(ptep))
318 static void __arm_lpae_sync_pte(arm_lpae_iopte *ptep, int num_entries, in __arm_lpae_sync_pte() argument
321 dma_sync_single_for_device(cfg->iommu_dev, __arm_lpae_dma_addr(ptep), in __arm_lpae_sync_pte()
322 sizeof(*ptep) * num_entries, DMA_TO_DEVICE); in __arm_lpae_sync_pte()
325 static void __arm_lpae_clear_pte(arm_lpae_iopte *ptep, struct io_pgtable_cfg *cfg, int num_entries) in __arm_lpae_clear_pte() argument
328 ptep[i] = 0; in __arm_lpae_clear_pte()
331 __arm_lpae_sync_pte(ptep, num_entries, cfg); in __arm_lpae_clear_pte()
337 int lvl, arm_lpae_iopte *ptep);
341 int lvl, int num_entries, arm_lpae_iopte *ptep) in __arm_lpae_init_pte() argument
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/linux/arch/arm64/include/asm/
H A Dpgtable.h138 #define flush_tlb_fix_spurious_fault(vma, address, ptep) do { } while (0) argument
178 #define __pte_clear(mm, addr, ptep) \ argument
179 __set_pte(ptep, __pte(0))
397 static inline void __set_pte_nosync(pte_t *ptep, pte_t pte) in __set_pte_nosync() argument
399 WRITE_ONCE(*ptep, pte); in __set_pte_nosync()
412 static inline void __set_pte(pte_t *ptep, pte_t pte) in __set_pte() argument
414 __set_pte_nosync(ptep, pte); in __set_pte()
418 static inline pte_t __ptep_get(pte_t *ptep) in __ptep_get() argument
420 return READ_ONCE(*ptep); in __ptep_get()
442 static inline void __check_safe_pte_update(struct mm_struct *mm, pte_t *ptep, in __check_safe_pte_update() argument
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/linux/include/linux/
H A Dpgtable.h255 static inline unsigned int pte_batch_hint(pte_t *ptep, pte_t pte) in pte_batch_hint() argument
290 pte_t *ptep, pte_t pte, unsigned int nr) in set_ptes() argument
292 page_table_check_ptes_set(mm, ptep, pte, nr); in set_ptes()
295 set_pte(ptep, pte); in set_ptes()
298 ptep++; in set_ptes()
303 #define set_pte_at(mm, addr, ptep, pte) set_ptes(mm, addr, ptep, pte, 1) argument
307 unsigned long address, pte_t *ptep,
338 static inline pte_t ptep_get(pte_t *ptep) in ptep_get() argument
340 return READ_ONCE(*ptep); in ptep_get()
375 pte_t *ptep) in ptep_test_and_clear_young() argument
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/linux/include/asm-generic/
H A Dhugetlb.h63 pte_t *ptep, unsigned long sz) in huge_pte_clear() argument
65 pte_clear(mm, addr, ptep); in huge_pte_clear()
71 pte_t *ptep, pte_t pte, unsigned long sz) in set_huge_pte_at() argument
73 set_pte_at(mm, addr, ptep, pte); in set_huge_pte_at()
79 unsigned long addr, pte_t *ptep, unsigned long sz) in huge_ptep_get_and_clear() argument
81 return ptep_get_and_clear(mm, addr, ptep); in huge_ptep_get_and_clear()
87 unsigned long addr, pte_t *ptep) in huge_ptep_clear_flush() argument
89 return ptep_clear_flush(vma, addr, ptep); in huge_ptep_clear_flush()
110 unsigned long addr, pte_t *ptep) in huge_ptep_set_wrprotect() argument
112 ptep_set_wrprotect(mm, addr, ptep); in huge_ptep_set_wrprotect()
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/linux/arch/sparc/include/asm/
H A Dhugetlb.h17 pte_t *ptep, pte_t pte, unsigned long sz);
19 pte_t *ptep, pte_t pte);
23 pte_t *ptep, unsigned long sz);
27 unsigned long addr, pte_t *ptep) in huge_ptep_clear_flush() argument
29 return *ptep; in huge_ptep_clear_flush()
34 unsigned long addr, pte_t *ptep) in huge_ptep_set_wrprotect() argument
36 pte_t old_pte = *ptep; in huge_ptep_set_wrprotect()
37 __set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte)); in huge_ptep_set_wrprotect()
42 unsigned long addr, pte_t *ptep, in huge_ptep_set_access_flags() argument
45 int changed = !pte_same(*ptep, pte); in huge_ptep_set_access_flags()
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/linux/arch/parisc/mm/
H A Dhugetlbpage.c102 pte_t *ptep, pte_t entry) in __set_huge_pte_at() argument
111 set_pte(ptep, entry); in __set_huge_pte_at()
112 ptep++; in __set_huge_pte_at()
122 pte_t *ptep, pte_t entry, unsigned long sz) in set_huge_pte_at() argument
124 __set_huge_pte_at(mm, addr, ptep, entry); in set_huge_pte_at()
129 pte_t *ptep, unsigned long sz) in huge_ptep_get_and_clear() argument
133 entry = *ptep; in huge_ptep_get_and_clear()
134 __set_huge_pte_at(mm, addr, ptep, __pte(0)); in huge_ptep_get_and_clear()
141 unsigned long addr, pte_t *ptep) in huge_ptep_set_wrprotect() argument
145 old_pte = *ptep; in huge_ptep_set_wrprotect()
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/linux/tools/testing/selftests/kvm/lib/loongarch/
H A Dprocessor.c37 uint64_t *ptep; in virt_set_pgtable() local
40 ptep = addr_gpa2hva(vm, table); in virt_set_pgtable()
43 WRITE_ONCE(*(ptep + i), child); in virt_set_pgtable()
67 static int virt_pte_none(uint64_t *ptep, int level) in virt_pte_none() argument
69 return *ptep == invalid_pgtable[level]; in virt_pte_none()
75 uint64_t *ptep; in virt_populate_pte() local
84 ptep = addr_gpa2hva(vm, child) + virt_pte_index(vm, gva, level) * 8; in virt_populate_pte()
85 if (virt_pte_none(ptep, level)) { in virt_populate_pte()
89 WRITE_ONCE(*ptep, child); in virt_populate_pte()
94 child = pte_addr(vm, *ptep); in virt_populate_pte()
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/linux/arch/powerpc/include/asm/nohash/32/
H A Dhugetlb-8xx.h19 void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep,
23 static inline pte_t huge_ptep_get(struct mm_struct *mm, unsigned long addr, pte_t *ptep) in huge_ptep_get() argument
25 if (ptep_is_8m_pmdp(mm, addr, ptep)) in huge_ptep_get()
26 ptep = pte_offset_kernel((pmd_t *)ptep, ALIGN_DOWN(addr, SZ_8M)); in huge_ptep_get()
27 return ptep_get(ptep); in huge_ptep_get()
32 pte_t *ptep, unsigned long sz) in huge_pte_clear() argument
34 pte_update(mm, addr, ptep, ~0UL, 0, 1); in huge_pte_clear()
39 unsigned long addr, pte_t *ptep) in huge_ptep_set_wrprotect() argument
44 pte_update(mm, addr, ptep, clr, set, 1); in huge_ptep_set_wrprotect()
/linux/arch/xtensa/include/asm/
H A Dpgalloc.h24 #define pmd_populate_kernel(mm, pmdp, ptep) \ argument
25 (pmd_val(*(pmdp)) = ((unsigned long)ptep))
35 static inline void ptes_clear(pte_t *ptep) in ptes_clear() argument
40 pte_clear(NULL, 0, ptep + i); in ptes_clear()
45 pte_t *ptep; in pte_alloc_one_kernel() local
47 ptep = (pte_t *)__pte_alloc_one_kernel(mm); in pte_alloc_one_kernel()
48 if (!ptep) in pte_alloc_one_kernel()
50 ptes_clear(ptep); in pte_alloc_one_kernel()
51 return ptep; in pte_alloc_one_kernel()
H A Dpgtable.h242 #define pte_clear(mm,addr,ptep) \ argument
243 do { update_pte(ptep, __pte(_PAGE_CA_INVALID | _PAGE_USER)); } while (0)
287 static inline void update_pte(pte_t *ptep, pte_t pteval) in update_pte() argument
289 *ptep = pteval; in update_pte()
291 __asm__ __volatile__ ("dhwb %0, 0" :: "a" (ptep)); in update_pte()
298 static inline void set_pte(pte_t *ptep, pte_t pte) in set_pte() argument
300 update_pte(ptep, pte); in set_pte()
313 pte_t *ptep) in ptep_test_and_clear_young() argument
315 pte_t pte = *ptep; in ptep_test_and_clear_young()
318 update_pte(ptep, pte_mkold(pte)); in ptep_test_and_clear_young()
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/linux/arch/loongarch/include/asm/
H A Dhugetlb.h15 pte_t *ptep, unsigned long sz) in huge_pte_clear() argument
20 set_pte_at(mm, addr, ptep, clear); in huge_pte_clear()
25 unsigned long addr, pte_t *ptep, in huge_ptep_get_and_clear() argument
29 pte_t pte = ptep_get(ptep); in huge_ptep_get_and_clear()
32 set_pte_at(mm, addr, ptep, clear); in huge_ptep_get_and_clear()
38 unsigned long addr, pte_t *ptep) in huge_ptep_clear_flush() argument
43 pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep, sz); in huge_ptep_clear_flush()
58 pte_t *ptep, pte_t pte, in huge_ptep_set_access_flags() argument
61 int changed = !pte_same(ptep_get(ptep), pte); in huge_ptep_set_access_flags()
64 set_pte_at(vma->vm_mm, addr, ptep, pte); in huge_ptep_set_access_flags()
/linux/arch/powerpc/mm/
H A Dpgtable.c192 void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, in set_ptes() argument
215 VM_WARN_ON(pte_hw_valid(*ptep) && !pte_protnone(*ptep)); in set_ptes()
218 __set_pte_at(mm, addr, ptep, pte, 0); in set_ptes()
221 ptep++; in set_ptes()
230 pte_t *ptep = pte_offset_kernel(pmdp, va); in unmap_kernel_page() local
232 pte_clear(&init_mm, va, ptep); in unmap_kernel_page()
244 pte_t *ptep, pte_t entry, int dirty) in ptep_set_access_flags() argument
248 changed = !pte_same(*(ptep), entry); in ptep_set_access_flags()
251 __ptep_set_access_flags(vma, ptep, entry, in ptep_set_access_flags()
259 unsigned long addr, pte_t *ptep, in huge_ptep_set_access_flags() argument
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H A Dpageattr.c19 static pte_basic_t pte_update_delta(pte_t *ptep, unsigned long addr, in pte_update_delta() argument
22 return pte_update(&init_mm, addr, ptep, old & ~new, new & ~old, 0); in pte_update_delta()
31 static int change_page_attr(pte_t *ptep, unsigned long addr, void *data) in change_page_attr() argument
40 pte_update_delta(ptep, addr, _PAGE_KERNEL_RW & ~_PAGE_DIRTY, _PAGE_KERNEL_RO); in change_page_attr()
44 pte_update_delta(ptep, addr, _PAGE_KERNEL_RW & ~_PAGE_DIRTY, _PAGE_KERNEL_ROX); in change_page_attr()
47 pte_update_delta(ptep, addr, _PAGE_KERNEL_RO, _PAGE_KERNEL_RW); in change_page_attr()
50 pte_update_delta(ptep, addr, _PAGE_KERNEL_ROX, _PAGE_KERNEL_RO); in change_page_attr()
53 pte_update_delta(ptep, addr, _PAGE_KERNEL_RO, _PAGE_KERNEL_ROX); in change_page_attr()
56 pte_update(&init_mm, addr, ptep, _PAGE_PRESENT, 0, 0); in change_page_attr()
59 pte_update(&init_mm, addr, ptep, 0, _PAGE_PRESENT, 0); in change_page_attr()
/linux/tools/testing/selftests/kvm/lib/arm64/
H A Dprocessor.c134 uint64_t *ptep; in _virt_pg_map() local
150 ptep = addr_gpa2hva(vm, vm->pgd) + pgd_index(vm, vaddr) * 8; in _virt_pg_map()
151 if (!*ptep) in _virt_pg_map()
152 *ptep = addr_pte(vm, vm_alloc_page_table(vm), in _virt_pg_map()
157 ptep = addr_gpa2hva(vm, pte_addr(vm, *ptep)) + pud_index(vm, vaddr) * 8; in _virt_pg_map()
158 if (!*ptep) in _virt_pg_map()
159 *ptep = addr_pte(vm, vm_alloc_page_table(vm), in _virt_pg_map()
163 ptep = addr_gpa2hva(vm, pte_addr(vm, *ptep)) + pmd_index(vm, vaddr) * 8; in _virt_pg_map()
164 if (!*ptep) in _virt_pg_map()
165 *ptep = addr_pte(vm, vm_alloc_page_table(vm), in _virt_pg_map()
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/linux/arch/powerpc/include/asm/book3s/64/
H A Dhash.h162 pte_t *ptep, unsigned long pte, int huge);
165 static inline unsigned long hash__pte_update_one(pte_t *ptep, unsigned long clr, in hash__pte_update_one() argument
178 : "=&r" (old_be), "=&r" (tmp_be), "=m" (*ptep) in hash__pte_update_one()
179 : "r" (ptep), "r" (cpu_to_be64(clr)), "m" (*ptep), in hash__pte_update_one()
188 pte_t *ptep, unsigned long clr, in hash__pte_update() argument
194 old = hash__pte_update_one(ptep, clr, set); in hash__pte_update()
210 hash__pte_update_one(ptep + i, clr, set); in hash__pte_update()
217 hpte_need_flush(mm, addr, ptep, old, huge); in hash__pte_update()
225 static inline void hash__ptep_set_access_flags(pte_t *ptep, pte_t entry) in hash__ptep_set_access_flags() argument
241 :"=&r" (old), "=&r" (tmp), "=m" (*ptep) in hash__ptep_set_access_flags()
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/linux/arch/powerpc/mm/book3s64/
H A Dhugetlbpage.c21 pte_t *ptep, unsigned long trap, unsigned long flags, in __hash_page_huge() argument
49 old_pte = pte_val(*ptep); in __hash_page_huge()
74 } while(!pte_xchg(ptep, __pte(old_pte), __pte(new_pte))); in __hash_page_huge()
85 rpte = __real_pte(__pte(old_pte), ptep, offset); in __hash_page_huge()
121 *ptep = __pte(old_pte); in __hash_page_huge()
127 new_pte |= pte_set_hidx(ptep, rpte, 0, slot, offset); in __hash_page_huge()
133 *ptep = __pte(new_pte & ~H_PAGE_BUSY); in __hash_page_huge()
139 unsigned long addr, pte_t *ptep) in huge_ptep_modify_prot_start() argument
147 pte_val = pte_update(vma->vm_mm, addr, ptep, in huge_ptep_modify_prot_start()
154 pte_t *ptep, pte_t old_pte, pte_t pte) in huge_ptep_modify_prot_commit() argument
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/linux/arch/mips/include/asm/
H A Dhugetlb.h16 unsigned long addr, pte_t *ptep, in huge_ptep_get_and_clear() argument
20 pte_t pte = *ptep; in huge_ptep_get_and_clear()
23 set_pte_at(mm, addr, ptep, clear); in huge_ptep_get_and_clear()
29 unsigned long addr, pte_t *ptep) in huge_ptep_clear_flush() argument
39 pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep, sz); in huge_ptep_clear_flush()
54 pte_t *ptep, pte_t pte, in huge_ptep_set_access_flags() argument
57 int changed = !pte_same(*ptep, pte); in huge_ptep_set_access_flags()
60 set_pte_at(vma->vm_mm, addr, ptep, pte); in huge_ptep_set_access_flags()
/linux/arch/powerpc/kvm/
H A Dbook3s_64_mmu_radix.c374 static unsigned long kvmppc_radix_update_pte(struct kvm *kvm, pte_t *ptep, in kvmppc_radix_update_pte() argument
378 return __radix_pte_update(ptep, clr, set); in kvmppc_radix_update_pte()
382 pte_t *ptep, pte_t pte) in kvmppc_radix_set_pte_at() argument
384 radix__set_pte_at(kvm->mm, addr, ptep, pte, 0); in kvmppc_radix_set_pte_at()
401 static void kvmppc_pte_free(pte_t *ptep) in kvmppc_pte_free() argument
403 kmem_cache_free(kvm_pte_cache, ptep); in kvmppc_pte_free()
624 pte_t *ptep, *new_ptep = NULL; in kvmppc_create_pte() local
763 ptep = pte_offset_kernel(pmd, gpa); in kvmppc_create_pte()
764 if (pte_present(*ptep)) { in kvmppc_create_pte()
766 if (pte_raw(*ptep) == pte_raw(pte)) { in kvmppc_create_pte()
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