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Searched refs:pgd (Results 1 – 25 of 350) sorted by relevance

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/linux/include/asm-generic/
H A Dpgtable-nop4d.h9 typedef struct { pgd_t pgd; } p4d_t; member
21 static inline int pgd_none(pgd_t pgd) { return 0; } in pgd_none() argument
22 static inline int pgd_bad(pgd_t pgd) { return 0; } in pgd_bad() argument
23 static inline int pgd_present(pgd_t pgd) { return 1; } in pgd_present() argument
24 static inline void pgd_clear(pgd_t *pgd) { } in pgd_clear() argument
25 #define p4d_ERROR(p4d) (pgd_ERROR((p4d).pgd))
27 #define pgd_populate(mm, pgd, p4d) do { } while (0) argument
28 #define pgd_populate_safe(mm, pgd, p4d) do { } while (0) argument
35 static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address) in p4d_offset() argument
37 return (p4d_t *)pgd; in p4d_offset()
[all …]
/linux/arch/x86/mm/
H A Dkasan_init_64.c122 static void __init kasan_populate_pgd(pgd_t *pgd, unsigned long addr, in kasan_populate_pgd() argument
129 if (pgd_none(*pgd)) { in kasan_populate_pgd()
131 pgd_populate(&init_mm, pgd, p); in kasan_populate_pgd()
134 p4d = p4d_offset(pgd, addr); in kasan_populate_pgd()
144 pgd_t *pgd; in kasan_populate_shadow() local
149 pgd = pgd_offset_k(addr); in kasan_populate_shadow()
152 kasan_populate_pgd(pgd, addr, next, nid); in kasan_populate_shadow()
153 } while (pgd++, addr = next, addr != end); in kasan_populate_shadow()
170 pgd_t *pgd; in clear_pgds() local
175 pgd = pgd_offset_k(start); in clear_pgds()
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H A Dpgtable.c58 static inline void pgd_list_add(pgd_t *pgd) in pgd_list_add() argument
60 struct ptdesc *ptdesc = virt_to_ptdesc(pgd); in pgd_list_add()
65 static inline void pgd_list_del(pgd_t *pgd) in pgd_list_del() argument
67 struct ptdesc *ptdesc = virt_to_ptdesc(pgd); in pgd_list_del()
72 static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm) in pgd_set_mm() argument
74 virt_to_ptdesc(pgd)->pt_mm = mm; in pgd_set_mm()
82 static void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) in pgd_ctor() argument
86 clone_pgd_range(pgd + KERNEL_PGD_BOUNDARY, in pgd_ctor()
91 pgd_set_mm(pgd, mm); in pgd_ctor()
92 pgd_list_add(pgd); in pgd_ctor()
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H A Dpti.c131 pgd_t __pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd) in __pti_set_user_pgtbl() argument
142 if (!pgdp_maps_userspace(pgdp) || (pgd.pgd & _PAGE_NOPTISHADOW)) in __pti_set_user_pgtbl()
143 return pgd; in __pti_set_user_pgtbl()
149 kernel_to_user_pgdp(pgdp)->pgd = pgd.pgd; in __pti_set_user_pgtbl()
164 if ((pgd.pgd & (_PAGE_USER|_PAGE_PRESENT)) == (_PAGE_USER|_PAGE_PRESENT) && in __pti_set_user_pgtbl()
166 pgd.pgd |= _PAGE_NX; in __pti_set_user_pgtbl()
169 return pgd; in __pti_set_user_pgtbl()
180 pgd_t *pgd = kernel_to_user_pgdp(pgd_offset_k(address)); in pti_user_pagetable_walk_p4d() local
188 if (pgd_none(*pgd)) { in pti_user_pagetable_walk_p4d()
193 set_pgd(pgd, __pgd(_KERNPG_TABLE | __pa(new_p4d_page))); in pti_user_pagetable_walk_p4d()
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H A Dinit_64.c74 DEFINE_POPULATE(pgd_populate, pgd, p4d, init) in DEFINE_POPULATE()
150 pgd_t *pgd; in sync_global_pgds_l5() local
153 pgd = (pgd_t *)page_address(page) + pgd_index(addr); in sync_global_pgds_l5()
158 if (!pgd_none(*pgd_ref) && !pgd_none(*pgd)) in sync_global_pgds_l5()
159 BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref)); in sync_global_pgds_l5()
161 if (pgd_none(*pgd)) in sync_global_pgds_l5()
162 set_pgd(pgd, *pgd_ref); in sync_global_pgds_l5()
191 pgd_t *pgd; in sync_global_pgds_l4() local
195 pgd = (pgd_t *)page_address(page) + pgd_index(addr); in sync_global_pgds_l4()
196 p4d = p4d_offset(pgd, addr); in sync_global_pgds_l4()
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H A Dident_map.c50 static void free_p4d(struct x86_mapping_info *info, pgd_t *pgd) in free_p4d() argument
52 p4d_t *p4d = p4d_offset(pgd, 0); in free_p4d()
66 void kernel_ident_mapping_free(struct x86_mapping_info *info, pgd_t *pgd) in kernel_ident_mapping_free() argument
71 if (!pgd_present(pgd[i])) in kernel_ident_mapping_free()
74 free_p4d(info, &pgd[i]); in kernel_ident_mapping_free()
77 info->free_pgt_page(pgd, info->context); in kernel_ident_mapping_free()
194 pgd_t *pgd = pgd_page + pgd_index(addr); in kernel_ident_mapping_init() local
198 if (pgd_present(*pgd)) { in kernel_ident_mapping_init()
199 p4d = p4d_offset(pgd, 0); in kernel_ident_mapping_init()
213 set_pgd(pgd, __pgd(__pa(p4d) | info->kernpg_flag | _PAGE_NOPTISHADOW)); in kernel_ident_mapping_init()
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H A Ddump_pagetables.c289 static void effective_prot_pgd(struct ptdump_state *st, pgd_t pgd) in effective_prot_pgd() argument
291 effective_prot(st, 0, pgd_val(pgd)); in effective_prot_pgd()
411 static void note_page_pgd(struct ptdump_state *pt_st, unsigned long addr, pgd_t pgd) in note_page_pgd() argument
413 note_page(pt_st, addr, 0, pgd_val(pgd)); in note_page_pgd()
424 struct mm_struct *mm, pgd_t *pgd, in ptdump_walk_pgd_level_core() argument
458 ptdump_walk_pgd(&st.ptdump, mm, pgd); in ptdump_walk_pgd_level_core()
476 ptdump_walk_pgd_level_core(m, mm, mm->pgd, false, true); in ptdump_walk_pgd_level()
482 pgd_t *pgd = mm->pgd; in ptdump_walk_pgd_level_debugfs() local
485 pgd = kernel_to_user_pgdp(pgd); in ptdump_walk_pgd_level_debugfs()
487 ptdump_walk_pgd_level_core(m, mm, pgd, false, false); in ptdump_walk_pgd_level_debugfs()
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/linux/arch/powerpc/include/asm/book3s/64/
H A Dpgalloc.h39 static inline void radix__pgd_free(struct mm_struct *mm, pgd_t *pgd) in radix__pgd_free() argument
42 free_page((unsigned long)pgd); in radix__pgd_free()
44 free_pages((unsigned long)pgd, 4); in radix__pgd_free()
50 pgd_t *pgd; in pgd_alloc() local
55 pgd = kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE), in pgd_alloc()
57 if (unlikely(!pgd)) in pgd_alloc()
58 return pgd; in pgd_alloc()
65 kmemleak_no_scan(pgd); in pgd_alloc()
76 memset(pgd, 0, PGD_TABLE_SIZE); in pgd_alloc()
78 return pgd; in pgd_alloc()
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/linux/arch/riscv/kvm/
H A Dmmu.c30 gstage.pgd = kvm->arch.pgd; in mmu_wp_memory_region()
55 gstage.pgd = kvm->arch.pgd; in kvm_riscv_mmu_ioremap()
95 gstage.pgd = kvm->arch.pgd; in kvm_riscv_mmu_iounmap()
115 gstage.pgd = kvm->arch.pgd; in kvm_arch_mmu_enable_log_dirty_pt_masked()
147 gstage.pgd = kvm->arch.pgd; in kvm_arch_flush_shadow_memslot()
250 if (!kvm->arch.pgd) in kvm_unmap_gfn_range()
256 gstage.pgd = kvm->arch.pgd; in kvm_unmap_gfn_range()
273 if (!kvm->arch.pgd) in kvm_age_gfn()
281 gstage.pgd = kvm->arch.pgd; in kvm_age_gfn()
296 if (!kvm->arch.pgd) in kvm_test_age_gfn()
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/linux/arch/arm/mm/
H A Dpgd.c21 #define _pgd_free(mm, pgd) kfree(pgd) argument
24 #define _pgd_free(mm, pgd) __pgd_free(mm, pgd) argument
142 pgd_t *pgd; in pgd_free() local
151 pgd = pgd_base + pgd_index(0); in pgd_free()
152 if (pgd_none_or_clear_bad(pgd)) in pgd_free()
155 p4d = p4d_offset(pgd, 0); in pgd_free()
179 pgd_clear(pgd); in pgd_free()
186 for (pgd = pgd_base; pgd < pgd_base + PTRS_PER_PGD; pgd++) { in pgd_free()
187 if (pgd_none_or_clear_bad(pgd)) in pgd_free()
189 if (pgd_val(*pgd) & L_PGD_SWAPPER) in pgd_free()
[all …]
/linux/arch/riscv/include/asm/
H A Dpgtable-64.h343 static inline void set_pgd(pgd_t *pgdp, pgd_t pgd) in set_pgd() argument
346 WRITE_ONCE(*pgdp, pgd); in set_pgd()
348 set_p4d((p4d_t *)pgdp, (p4d_t){ pgd_val(pgd) }); in set_pgd()
351 static inline int pgd_none(pgd_t pgd) in pgd_none() argument
354 return (pgd_val(pgd) == 0); in pgd_none()
359 static inline int pgd_present(pgd_t pgd) in pgd_present() argument
362 return (pgd_val(pgd) & _PAGE_PRESENT); in pgd_present()
367 static inline int pgd_bad(pgd_t pgd) in pgd_bad() argument
370 return !pgd_present(pgd); in pgd_bad()
375 static inline void pgd_clear(pgd_t *pgd) in pgd_clear() argument
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H A Dpgalloc.h62 static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, p4d_t *p4d) in pgd_populate() argument
67 set_pgd(pgd, __pgd((pfn << _PAGE_PFN_SHIFT) | _PAGE_TABLE)); in pgd_populate()
71 static inline void pgd_populate_safe(struct mm_struct *mm, pgd_t *pgd, in pgd_populate_safe() argument
77 set_pgd_safe(pgd, in pgd_populate_safe()
104 static inline void sync_kernel_mappings(pgd_t *pgd) in sync_kernel_mappings() argument
106 memcpy(pgd + USER_PTRS_PER_PGD, in sync_kernel_mappings()
107 init_mm.pgd + USER_PTRS_PER_PGD, in sync_kernel_mappings()
113 pgd_t *pgd; in pgd_alloc() local
115 pgd = __pgd_alloc(mm, 0); in pgd_alloc()
116 if (likely(pgd != NULL)) { in pgd_alloc()
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/linux/mm/kasan/
H A Dinit.c33 static inline bool kasan_p4d_table(pgd_t pgd) in kasan_p4d_table() argument
35 return pgd_page(pgd) == virt_to_page(lm_alias(kasan_early_shadow_p4d)); in kasan_p4d_table()
38 static inline bool kasan_p4d_table(pgd_t pgd) in kasan_p4d_table() argument
182 static int __ref zero_p4d_populate(pgd_t *pgd, unsigned long addr, in zero_p4d_populate() argument
185 p4d_t *p4d = p4d_offset(pgd, addr); in zero_p4d_populate()
235 pgd_t *pgd = pgd_offset_k(addr); in kasan_populate_early_shadow() local
254 pgd_populate_kernel(addr, pgd, in kasan_populate_early_shadow()
256 p4d = p4d_offset(pgd, addr); in kasan_populate_early_shadow()
268 if (pgd_none(*pgd)) { in kasan_populate_early_shadow()
271 if (!p4d_alloc(&init_mm, pgd, addr)) in kasan_populate_early_shadow()
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/linux/arch/x86/power/
H A Dhibernate_32.c30 static pmd_t *resume_one_md_table_init(pgd_t *pgd) in resume_one_md_table_init() argument
41 set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT)); in resume_one_md_table_init()
42 p4d = p4d_offset(pgd, 0); in resume_one_md_table_init()
47 p4d = p4d_offset(pgd, 0); in resume_one_md_table_init()
84 pgd_t *pgd; in resume_physical_mapping_init() local
90 pgd = pgd_base + pgd_idx; in resume_physical_mapping_init()
93 for (; pgd_idx < PTRS_PER_PGD; pgd++, pgd_idx++) { in resume_physical_mapping_init()
94 pmd = resume_one_md_table_init(pgd); in resume_physical_mapping_init()
147 pgd_t *pgd; in set_up_temporary_text_mapping() local
151 pgd = pgd_base + pgd_index(restore_jump_address); in set_up_temporary_text_mapping()
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H A Dhibernate_64.c28 static int set_up_temporary_text_mapping(pgd_t *pgd) in set_up_temporary_text_mapping() argument
77 set_pgd(pgd + pgd_index(restore_jump_address), new_pgd); in set_up_temporary_text_mapping()
81 set_pgd(pgd + pgd_index(restore_jump_address), new_pgd); in set_up_temporary_text_mapping()
100 pgd_t *pgd; in set_up_temporary_mappings() local
104 pgd = (pgd_t *)get_safe_page(GFP_ATOMIC); in set_up_temporary_mappings()
105 if (!pgd) in set_up_temporary_mappings()
109 result = set_up_temporary_text_mapping(pgd); in set_up_temporary_mappings()
118 result = kernel_ident_mapping_init(&info, pgd, mstart, mend); in set_up_temporary_mappings()
123 temp_pgt = __pa(pgd); in set_up_temporary_mappings()
/linux/arch/sh/mm/
H A Dfault.c39 pgd_t *pgd; in show_pte() local
42 pgd = mm->pgd; in show_pte()
44 pgd = get_TTB(); in show_pte()
46 if (unlikely(!pgd)) in show_pte()
47 pgd = swapper_pg_dir; in show_pte()
50 pr_alert("pgd = %p\n", pgd); in show_pte()
51 pgd += pgd_index(addr); in show_pte()
52 pr_alert("[%08lx] *pgd=%0*llx", addr, (u32)(sizeof(*pgd) * 2), in show_pte()
53 (u64)pgd_val(*pgd)); in show_pte()
61 if (pgd_none(*pgd)) in show_pte()
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H A Dhugetlbpage.c27 pgd_t *pgd; in huge_pte_alloc() local
33 pgd = pgd_offset(mm, addr); in huge_pte_alloc()
34 if (pgd) { in huge_pte_alloc()
35 p4d = p4d_alloc(mm, pgd, addr); in huge_pte_alloc()
52 pgd_t *pgd; in huge_pte_offset() local
58 pgd = pgd_offset(mm, addr); in huge_pte_offset()
59 if (pgd) { in huge_pte_offset()
60 p4d = p4d_offset(pgd, addr); in huge_pte_offset()
/linux/arch/x86/kernel/
H A Dmachine_kexec_32.c45 free_pages((unsigned long)image->arch.pgd, pgd_allocation_order()); in machine_kexec_free_page_tables()
46 image->arch.pgd = NULL; in machine_kexec_free_page_tables()
61 image->arch.pgd = (pgd_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, in machine_kexec_alloc_page_tables()
69 if (!image->arch.pgd || in machine_kexec_alloc_page_tables()
80 pgd_t *pgd, pmd_t *pmd, pte_t *pte, in machine_kexec_page_table_set_one() argument
86 pgd += pgd_index(vaddr); in machine_kexec_page_table_set_one()
88 if (!(pgd_val(*pgd) & _PAGE_PRESENT)) in machine_kexec_page_table_set_one()
89 set_pgd(pgd, __pgd(__pa(pmd) | _PAGE_PRESENT)); in machine_kexec_page_table_set_one()
91 p4d = p4d_offset(pgd, vaddr); in machine_kexec_page_table_set_one()
110 image->arch.pgd, pmd, image->arch.pte0, in machine_kexec_prepare_page_tables()
[all …]
/linux/arch/x86/kernel/acpi/
H A Dmadt_wakeup.c82 pgd_t *pgd; in acpi_mp_setup_reset() local
84 pgd = alloc_pgt_page(NULL); in acpi_mp_setup_reset()
85 if (!pgd) in acpi_mp_setup_reset()
91 if (kernel_ident_mapping_init(&info, pgd, mstart, mend)) { in acpi_mp_setup_reset()
92 kernel_ident_mapping_free(&info, pgd); in acpi_mp_setup_reset()
99 if (kernel_ident_mapping_init(&info, pgd, mstart, mend)) { in acpi_mp_setup_reset()
100 kernel_ident_mapping_free(&info, pgd); in acpi_mp_setup_reset()
114 if (kernel_ident_mapping_init(&info, pgd, mstart, mend)) { in acpi_mp_setup_reset()
115 kernel_ident_mapping_free(&info, pgd); in acpi_mp_setup_reset()
124 acpi_mp_pgd = __pa(pgd); in acpi_mp_setup_reset()
/linux/arch/mips/mm/
H A Dhugetlbpage.c27 pgd_t *pgd; in huge_pte_alloc() local
32 pgd = pgd_offset(mm, addr); in huge_pte_alloc()
33 p4d = p4d_alloc(mm, pgd, addr); in huge_pte_alloc()
44 pgd_t *pgd; in huge_pte_offset() local
49 pgd = pgd_offset(mm, addr); in huge_pte_offset()
50 if (pgd_present(*pgd)) { in huge_pte_offset()
51 p4d = p4d_offset(pgd, addr); in huge_pte_offset()
/linux/arch/hexagon/include/asm/
H A Dpgalloc.h23 pgd_t *pgd; in pgd_alloc() local
25 pgd = __pgd_alloc(mm, 0); in pgd_alloc()
35 memcpy(pgd, swapper_pg_dir, PTRS_PER_PGD*sizeof(pgd_t)); in pgd_alloc()
39 mm->context.ptbase = __pa(pgd); in pgd_alloc()
41 return pgd; in pgd_alloc()
83 pmdindex = (pgd_t *)pmd - mm->pgd; in pmd_populate_kernel()
84 ppmd = (pmd_t *)current->active_mm->pgd + pmdindex; in pmd_populate_kernel()
/linux/arch/loongarch/mm/
H A Dhugetlbpage.c19 pgd_t *pgd; in huge_pte_alloc() local
24 pgd = pgd_offset(mm, addr); in huge_pte_alloc()
25 p4d = p4d_alloc(mm, pgd, addr); in huge_pte_alloc()
36 pgd_t *pgd; in huge_pte_offset() local
41 pgd = pgd_offset(mm, addr); in huge_pte_offset()
42 if (pgd_present(pgdp_get(pgd))) { in huge_pte_offset()
43 p4d = p4d_offset(pgd, addr); in huge_pte_offset()
/linux/arch/x86/xen/
H A Dmmu_pv.c92 pgdval_t xen_pgd_val(pgd_t pgd);
97 pgd_t xen_make_pgd(pgdval_t pgd);
429 __visible pgdval_t xen_pgd_val(pgd_t pgd) in xen_pgd_val() argument
431 return pte_mfn_to_pfn(pgd.pgd); in xen_pgd_val()
443 __visible pgd_t xen_make_pgd(pgdval_t pgd) in xen_make_pgd() argument
445 pgd = pte_pfn_to_mfn(pgd); in xen_make_pgd()
446 return native_make_pgd(pgd); in xen_make_pgd()
509 static pgd_t *xen_get_user_pgd(pgd_t *pgd) in xen_get_user_pgd() argument
511 pgd_t *pgd_page = (pgd_t *)(((unsigned long)pgd) & PAGE_MASK); in xen_get_user_pgd()
512 unsigned offset = pgd - pgd_page; in xen_get_user_pgd()
[all …]
/linux/arch/x86/platform/efi/
H A Defi_64.c70 pgd_t *pgd, *efi_pgd; in efi_alloc_page_tables() local
80 pgd = efi_pgd + pgd_index(EFI_VA_END); in efi_alloc_page_tables()
81 p4d = p4d_alloc(&init_mm, pgd, EFI_VA_END); in efi_alloc_page_tables()
89 efi_mm.pgd = efi_pgd; in efi_alloc_page_tables()
98 free_page((unsigned long)pgd_page_vaddr(*pgd)); in efi_alloc_page_tables()
114 pgd_t *efi_pgd = efi_mm.pgd; in efi_sync_low_kernel_mappings()
184 pgd_t *pgd = efi_mm.pgd; in efi_setup_page_tables() local
194 if (kernel_map_pages_in_pgd(pgd, pfn, pa_memmap, num_pages, pf)) { in efi_setup_page_tables()
210 if (kernel_map_pages_in_pgd(pgd, 0x0, 0x0, 1, pf)) { in efi_setup_page_tables()
219 if (sev_es_efi_map_ghcbs_cas(pgd)) { in efi_setup_page_tables()
[all …]
/linux/arch/x86/boot/startup/
H A Dmap_kernel.c95 pgdval_t *pgd; in __startup_64() local
126 pgd = rip_rel_ptr(early_top_pgt); in __startup_64()
127 pgd[pgd_index(__START_KERNEL_map)] += load_delta; in __startup_64()
133 pgd[pgd_index(__START_KERNEL_map)] = (pgdval_t)p4d | _PAGE_TABLE; in __startup_64()
159 pgd[i + 0] = (pgdval_t)p4d + pgtable_flags; in __startup_64()
160 pgd[i + 1] = (pgdval_t)p4d + pgtable_flags; in __startup_64()
167 pgd[i + 0] = (pgdval_t)pud + pgtable_flags; in __startup_64()
168 pgd[i + 1] = (pgdval_t)pud + pgtable_flags; in __startup_64()

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