/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PGTABLE_H #define _ASM_X86_PGTABLE_H #include <linux/mem_encrypt.h> #include <asm/page.h> #include <asm/pgtable_types.h> /* * Macro to mark a page protection value as UC- */ #define pgprot_noncached(prot) \ ((boot_cpu_data.x86 > 3) \ ? (__pgprot(pgprot_val(prot) | \ cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS))) \ : (prot)) /* * Macros to add or remove encryption attribute */ #define pgprot_encrypted(prot) __pgprot(__sme_set(pgprot_val(prot))) #define pgprot_decrypted(prot) __pgprot(__sme_clr(pgprot_val(prot))) #ifndef __ASSEMBLY__ #include <asm/x86_init.h> extern pgd_t early_top_pgt[PTRS_PER_PGD]; int __init __early_make_pgtable(unsigned long address, pmdval_t pmd); void ptdump_walk_pgd_level(struct seq_file *m, pgd_t *pgd); void ptdump_walk_pgd_level_debugfs(struct seq_file *m, pgd_t *pgd, bool user); void ptdump_walk_pgd_level_checkwx(void); void ptdump_walk_user_pgd_level_checkwx(void); #ifdef CONFIG_DEBUG_WX #define debug_checkwx() ptdump_walk_pgd_level_checkwx() #define debug_checkwx_user() ptdump_walk_user_pgd_level_checkwx() #else #define debug_checkwx() do { } while (0) #define debug_checkwx_user() do { } while (0) #endif /* * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. */ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __visible; #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) extern spinlock_t pgd_lock; extern struct list_head pgd_list; extern struct mm_struct *pgd_page_get_mm(struct page *page); extern pmdval_t early_pmd_flags; #ifdef CONFIG_PARAVIRT #include <asm/paravirt.h> #else /* !CONFIG_PARAVIRT */ #define set_pte(ptep, pte) native_set_pte(ptep, pte) #define set_pte_at(mm, addr, ptep, pte) native_set_pte_at(mm, addr, ptep, pte) #define set_pte_atomic(ptep, pte) \ native_set_pte_atomic(ptep, pte) #define set_pmd(pmdp, pmd) native_set_pmd(pmdp, pmd) #ifndef __PAGETABLE_P4D_FOLDED #define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd) #define pgd_clear(pgd) native_pgd_clear(pgd) #endif #ifndef set_p4d # define set_p4d(p4dp, p4d) native_set_p4d(p4dp, p4d) #endif #ifndef __PAGETABLE_PUD_FOLDED #define p4d_clear(p4d) native_p4d_clear(p4d) #endif #ifndef set_pud # define set_pud(pudp, pud) native_set_pud(pudp, pud) #endif #ifndef __PAGETABLE_PUD_FOLDED #define pud_clear(pud) native_pud_clear(pud) #endif #define pte_clear(mm, addr, ptep) native_pte_clear(mm, addr, ptep) #define pmd_clear(pmd) native_pmd_clear(pmd) #define pgd_val(x) native_pgd_val(x) #define __pgd(x) native_make_pgd(x) #ifndef __PAGETABLE_P4D_FOLDED #define p4d_val(x) native_p4d_val(x) #define __p4d(x) native_make_p4d(x) #endif #ifndef __PAGETABLE_PUD_FOLDED #define pud_val(x) native_pud_val(x) #define __pud(x) native_make_pud(x) #endif #ifndef __PAGETABLE_PMD_FOLDED #define pmd_val(x) native_pmd_val(x) #define __pmd(x) native_make_pmd(x) #endif #define pte_val(x) native_pte_val(x) #define __pte(x) native_make_pte(x) #define arch_end_context_switch(prev) do {} while(0) #endif /* CONFIG_PARAVIRT */ /* * The following only work if pte_present() is true. * Undefined behaviour if not.. */ static inline int pte_dirty(pte_t pte) { return pte_flags(pte) & _PAGE_DIRTY; } static inline u32 read_pkru(void) { if (boot_cpu_has(X86_FEATURE_OSPKE)) return __read_pkru(); return 0; } static inline void write_pkru(u32 pkru) { if (boot_cpu_has(X86_FEATURE_OSPKE)) __write_pkru(pkru); } static inline int pte_young(pte_t pte) { return pte_flags(pte) & _PAGE_ACCESSED; } static inline int pmd_dirty(pmd_t pmd) { return pmd_flags(pmd) & _PAGE_DIRTY; } static inline int pmd_young(pmd_t pmd) { return pmd_flags(pmd) & _PAGE_ACCESSED; } static inline int pud_dirty(pud_t pud) { return pud_flags(pud) & _PAGE_DIRTY; } static inline int pud_young(pud_t pud) { return pud_flags(pud) & _PAGE_ACCESSED; } static inline int pte_write(pte_t pte) { return pte_flags(pte) & _PAGE_RW; } static inline int pte_huge(pte_t pte) { return pte_flags(pte) & _PAGE_PSE; } static inline int pte_global(pte_t pte) { return pte_flags(pte) & _PAGE_GLOBAL; } static inline int pte_exec(pte_t pte) { return !(pte_flags(pte) & _PAGE_NX); } static inline int pte_special(pte_t pte) { return pte_flags(pte) & _PAGE_SPECIAL; } /* Entries that were set to PROT_NONE are inverted */ static inline u64 protnone_mask(u64 val); static inline unsigned long pte_pfn(pte_t pte) { phys_addr_t pfn = pte_val(pte); pfn ^= protnone_mask(pfn); return (pfn & PTE_PFN_MASK) >> PAGE_SHIFT; } static inline unsigned long pmd_pfn(pmd_t pmd) { phys_addr_t pfn = pmd_val(pmd); pfn ^= protnone_mask(pfn); return (pfn & pmd_pfn_mask(pmd)) >> PAGE_SHIFT; } static inline unsigned long pud_pfn(pud_t pud) { phys_addr_t pfn = pud_val(pud); pfn ^= protnone_mask(pfn); return (pfn & pud_pfn_mask(pud)) >> PAGE_SHIFT; } static inline unsigned long p4d_pfn(p4d_t p4d) { return (p4d_val(p4d) & p4d_pfn_mask(p4d)) >> PAGE_SHIFT; } static inline unsigned long pgd_pfn(pgd_t pgd) { return (pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT; } static inline int p4d_large(p4d_t p4d) { /* No 512 GiB pages yet */ return 0; } #define pte_page(pte) pfn_to_page(pte_pfn(pte)) static inline int pmd_large(pmd_t pte) { return pmd_flags(pte) & _PAGE_PSE; } #ifdef CONFIG_TRANSPARENT_HUGEPAGE /* NOTE: when predicate huge page, consider also pmd_devmap, or use pmd_large */ static inline int pmd_trans_huge(pmd_t pmd) { return (pmd_val(pmd) & (_PAGE_PSE|_PAGE_DEVMAP)) == _PAGE_PSE; } #ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD static inline int pud_trans_huge(pud_t pud) { return (pud_val(pud) & (_PAGE_PSE|_PAGE_DEVMAP)) == _PAGE_PSE; } #endif #define has_transparent_hugepage has_transparent_hugepage static inline int has_transparent_hugepage(void) { return boot_cpu_has(X86_FEATURE_PSE); } #ifdef __HAVE_ARCH_PTE_DEVMAP static inline int pmd_devmap(pmd_t pmd) { return !!(pmd_val(pmd) & _PAGE_DEVMAP); } #ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD static inline int pud_devmap(pud_t pud) { return !!(pud_val(pud) & _PAGE_DEVMAP); } #else static inline int pud_devmap(pud_t pud) { return 0; } #endif static inline int pgd_devmap(pgd_t pgd) { return 0; } #endif #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ static inline pte_t pte_set_flags(pte_t pte, pteval_t set) { pteval_t v = native_pte_val(pte); return native_make_pte(v | set); } static inline pte_t pte_clear_flags(pte_t pte, pteval_t clear) { pteval_t v = native_pte_val(pte); return native_make_pte(v & ~clear); } static inline pte_t pte_mkclean(pte_t pte) { return pte_clear_flags(pte, _PAGE_DIRTY); } static inline pte_t pte_mkold(pte_t pte) { return pte_clear_flags(pte, _PAGE_ACCESSED); } static inline pte_t pte_wrprotect(pte_t pte) { return pte_clear_flags(pte, _PAGE_RW); } static inline pte_t pte_mkexec(pte_t pte) { return pte_clear_flags(pte, _PAGE_NX); } static inline pte_t pte_mkdirty(pte_t pte) { return pte_set_flags(pte, _PAGE_DIRTY | _PAGE_SOFT_DIRTY); } static inline pte_t pte_mkyoung(pte_t pte) { return pte_set_flags(pte, _PAGE_ACCESSED); } static inline pte_t pte_mkwrite(pte_t pte) { return pte_set_flags(pte, _PAGE_RW); } static inline pte_t pte_mkhuge(pte_t pte) { return pte_set_flags(pte, _PAGE_PSE); } static inline pte_t pte_clrhuge(pte_t pte) { return pte_clear_flags(pte, _PAGE_PSE); } static inline pte_t pte_mkglobal(pte_t pte) { return pte_set_flags(pte, _PAGE_GLOBAL); } static inline pte_t pte_clrglobal(pte_t pte) { return pte_clear_flags(pte, _PAGE_GLOBAL); } static inline pte_t pte_mkspecial(pte_t pte) { return pte_set_flags(pte, _PAGE_SPECIAL); } static inline pte_t pte_mkdevmap(pte_t pte) { return pte_set_flags(pte, _PAGE_SPECIAL|_PAGE_DEVMAP); } static inline pmd_t pmd_set_flags(pmd_t pmd, pmdval_t set) { pmdval_t v = native_pmd_val(pmd); return native_make_pmd(v | set); } static inline pmd_t pmd_clear_flags(pmd_t pmd, pmdval_t clear) { pmdval_t v = native_pmd_val(pmd); return native_make_pmd(v & ~clear); } static inline pmd_t pmd_mkold(pmd_t pmd) { return pmd_clear_flags(pmd, _PAGE_ACCESSED); } static inline pmd_t pmd_mkclean(pmd_t pmd) { return pmd_clear_flags(pmd, _PAGE_DIRTY); } static inline pmd_t pmd_wrprotect(pmd_t pmd) { return pmd_clear_flags(pmd, _PAGE_RW); } static inline pmd_t pmd_mkdirty(pmd_t pmd) { return pmd_set_flags(pmd, _PAGE_DIRTY | _PAGE_SOFT_DIRTY); } static inline pmd_t pmd_mkdevmap(pmd_t pmd) { return pmd_set_flags(pmd, _PAGE_DEVMAP); } static inline pmd_t pmd_mkhuge(pmd_t pmd) { return pmd_set_flags(pmd, _PAGE_PSE); } static inline pmd_t pmd_mkyoung(pmd_t pmd) { return pmd_set_flags(pmd, _PAGE_ACCESSED); } static inline pmd_t pmd_mkwrite(pmd_t pmd) { return pmd_set_flags(pmd, _PAGE_RW); } static inline pud_t pud_set_flags(pud_t pud, pudval_t set) { pudval_t v = native_pud_val(pud); return native_make_pud(v | set); } static inline pud_t pud_clear_flags(pud_t pud, pudval_t clear) { pudval_t v = native_pud_val(pud); return native_make_pud(v & ~clear); } static inline pud_t pud_mkold(pud_t pud) { return pud_clear_flags(pud, _PAGE_ACCESSED); } static inline pud_t pud_mkclean(pud_t pud) { return pud_clear_flags(pud, _PAGE_DIRTY); } static inline pud_t pud_wrprotect(pud_t pud) { return pud_clear_flags(pud, _PAGE_RW); } static inline pud_t pud_mkdirty(pud_t pud) { return pud_set_flags(pud, _PAGE_DIRTY | _PAGE_SOFT_DIRTY); } static inline pud_t pud_mkdevmap(pud_t pud) { return pud_set_flags(pud, _PAGE_DEVMAP); } static inline pud_t pud_mkhuge(pud_t pud) { return pud_set_flags(pud, _PAGE_PSE); } static inline pud_t pud_mkyoung(pud_t pud) { return pud_set_flags(pud, _PAGE_ACCESSED); } static inline pud_t pud_mkwrite(pud_t pud) { return pud_set_flags(pud, _PAGE_RW); } #ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY static inline int pte_soft_dirty(pte_t pte) { return pte_flags(pte) & _PAGE_SOFT_DIRTY; } static inline int pmd_soft_dirty(pmd_t pmd) { return pmd_flags(pmd) & _PAGE_SOFT_DIRTY; } static inline int pud_soft_dirty(pud_t pud) { return pud_flags(pud) & _PAGE_SOFT_DIRTY; } static inline pte_t pte_mksoft_dirty(pte_t pte) { return pte_set_flags(pte, _PAGE_SOFT_DIRTY); } static inline pmd_t pmd_mksoft_dirty(pmd_t pmd) { return pmd_set_flags(pmd, _PAGE_SOFT_DIRTY); } static inline pud_t pud_mksoft_dirty(pud_t pud) { return pud_set_flags(pud, _PAGE_SOFT_DIRTY); } static inline pte_t pte_clear_soft_dirty(pte_t pte) { return pte_clear_flags(pte, _PAGE_SOFT_DIRTY); } static inline pmd_t pmd_clear_soft_dirty(pmd_t pmd) { return pmd_clear_flags(pmd, _PAGE_SOFT_DIRTY); } static inline pud_t pud_clear_soft_dirty(pud_t pud) { return pud_clear_flags(pud, _PAGE_SOFT_DIRTY); } #endif /* CONFIG_HAVE_ARCH_SOFT_DIRTY */ /* * Mask out unsupported bits in a present pgprot. Non-present pgprots * can use those bits for other purposes, so leave them be. */ static inline pgprotval_t massage_pgprot(pgprot_t pgprot) { pgprotval_t protval = pgprot_val(pgprot); if (protval & _PAGE_PRESENT) protval &= __supported_pte_mask; return protval; } static inline pgprotval_t check_pgprot(pgprot_t pgprot) { pgprotval_t massaged_val = massage_pgprot(pgprot); /* mmdebug.h can not be included here because of dependencies */ #ifdef CONFIG_DEBUG_VM WARN_ONCE(pgprot_val(pgprot) != massaged_val, "attempted to set unsupported pgprot: %016llx " "bits: %016llx supported: %016llx\n", (u64)pgprot_val(pgprot), (u64)pgprot_val(pgprot) ^ massaged_val, (u64)__supported_pte_mask); #endif return massaged_val; } static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot) { phys_addr_t pfn = (phys_addr_t)page_nr << PAGE_SHIFT; pfn ^= protnone_mask(pgprot_val(pgprot)); pfn &= PTE_PFN_MASK; return __pte(pfn | check_pgprot(pgprot)); } static inline pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot) { phys_addr_t pfn = (phys_addr_t)page_nr << PAGE_SHIFT; pfn ^= protnone_mask(pgprot_val(pgprot)); pfn &= PHYSICAL_PMD_PAGE_MASK; return __pmd(pfn | check_pgprot(pgprot)); } static inline pud_t pfn_pud(unsigned long page_nr, pgprot_t pgprot) { phys_addr_t pfn = (phys_addr_t)page_nr << PAGE_SHIFT; pfn ^= protnone_mask(pgprot_val(pgprot)); pfn &= PHYSICAL_PUD_PAGE_MASK; return __pud(pfn | check_pgprot(pgprot)); } static inline pmd_t pmd_mknotpresent(pmd_t pmd) { return pfn_pmd(pmd_pfn(pmd), __pgprot(pmd_flags(pmd) & ~(_PAGE_PRESENT|_PAGE_PROTNONE))); } static inline pud_t pud_mknotpresent(pud_t pud) { return pfn_pud(pud_pfn(pud), __pgprot(pud_flags(pud) & ~(_PAGE_PRESENT|_PAGE_PROTNONE))); } static inline u64 flip_protnone_guard(u64 oldval, u64 val, u64 mask); static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) { pteval_t val = pte_val(pte), oldval = val; /* * Chop off the NX bit (if present), and add the NX portion of * the newprot (if present): */ val &= _PAGE_CHG_MASK; val |= check_pgprot(newprot) & ~_PAGE_CHG_MASK; val = flip_protnone_guard(oldval, val, PTE_PFN_MASK); return __pte(val); } static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot) { pmdval_t val = pmd_val(pmd), oldval = val; val &= _HPAGE_CHG_MASK; val |= check_pgprot(newprot) & ~_HPAGE_CHG_MASK; val = flip_protnone_guard(oldval, val, PHYSICAL_PMD_PAGE_MASK); return __pmd(val); } /* * mprotect needs to preserve PAT and encryption bits when updating * vm_page_prot */ #define pgprot_modify pgprot_modify static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot) { pgprotval_t preservebits = pgprot_val(oldprot) & _PAGE_CHG_MASK; pgprotval_t addbits = pgprot_val(newprot) & ~_PAGE_CHG_MASK; return __pgprot(preservebits | addbits); } #define pte_pgprot(x) __pgprot(pte_flags(x)) #define pmd_pgprot(x) __pgprot(pmd_flags(x)) #define pud_pgprot(x) __pgprot(pud_flags(x)) #define p4d_pgprot(x) __pgprot(p4d_flags(x)) #define canon_pgprot(p) __pgprot(massage_pgprot(p)) static inline pgprot_t arch_filter_pgprot(pgprot_t prot) { return canon_pgprot(prot); } static inline int is_new_memtype_allowed(u64 paddr, unsigned long size, enum page_cache_mode pcm, enum page_cache_mode new_pcm) { /* * PAT type is always WB for untracked ranges, so no need to check. */ if (x86_platform.is_untracked_pat_range(paddr, paddr + size)) return 1; /* * Certain new memtypes are not allowed with certain * requested memtype: * - request is uncached, return cannot be write-back * - request is write-combine, return cannot be write-back * - request is write-through, return cannot be write-back * - request is write-through, return cannot be write-combine */ if ((pcm == _PAGE_CACHE_MODE_UC_MINUS && new_pcm == _PAGE_CACHE_MODE_WB) || (pcm == _PAGE_CACHE_MODE_WC && new_pcm == _PAGE_CACHE_MODE_WB) || (pcm == _PAGE_CACHE_MODE_WT && new_pcm == _PAGE_CACHE_MODE_WB) || (pcm == _PAGE_CACHE_MODE_WT && new_pcm == _PAGE_CACHE_MODE_WC)) { return 0; } return 1; } pmd_t *populate_extra_pmd(unsigned long vaddr); pte_t *populate_extra_pte(unsigned long vaddr); #ifdef CONFIG_PAGE_TABLE_ISOLATION pgd_t __pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd); /* * Take a PGD location (pgdp) and a pgd value that needs to be set there. * Populates the user and returns the resulting PGD that must be set in * the kernel copy of the page tables. */ static inline pgd_t pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd) { if (!static_cpu_has(X86_FEATURE_PTI)) return pgd; return __pti_set_user_pgtbl(pgdp, pgd); } #else /* CONFIG_PAGE_TABLE_ISOLATION */ static inline pgd_t pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd) { return pgd; } #endif /* CONFIG_PAGE_TABLE_ISOLATION */ #endif /* __ASSEMBLY__ */ #ifdef CONFIG_X86_32 # include <asm/pgtable_32.h> #else # include <asm/pgtable_64.h> #endif #ifndef __ASSEMBLY__ #include <linux/mm_types.h> #include <linux/mmdebug.h> #include <linux/log2.h> #include <asm/fixmap.h> static inline int pte_none(pte_t pte) { return !(pte.pte & ~(_PAGE_KNL_ERRATUM_MASK)); } #define __HAVE_ARCH_PTE_SAME static inline int pte_same(pte_t a, pte_t b) { return a.pte == b.pte; } static inline int pte_present(pte_t a) { return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE); } #ifdef __HAVE_ARCH_PTE_DEVMAP static inline int pte_devmap(pte_t a) { return (pte_flags(a) & _PAGE_DEVMAP) == _PAGE_DEVMAP; } #endif #define pte_accessible pte_accessible static inline bool pte_accessible(struct mm_struct *mm, pte_t a) { if (pte_flags(a) & _PAGE_PRESENT) return true; if ((pte_flags(a) & _PAGE_PROTNONE) && mm_tlb_flush_pending(mm)) return true; return false; } static inline int pmd_present(pmd_t pmd) { /* * Checking for _PAGE_PSE is needed too because * split_huge_page will temporarily clear the present bit (but * the _PAGE_PSE flag will remain set at all times while the * _PAGE_PRESENT bit is clear). */ return pmd_flags(pmd) & (_PAGE_PRESENT | _PAGE_PROTNONE | _PAGE_PSE); } #ifdef CONFIG_NUMA_BALANCING /* * These work without NUMA balancing but the kernel does not care. See the * comment in include/asm-generic/pgtable.h */ static inline int pte_protnone(pte_t pte) { return (pte_flags(pte) & (_PAGE_PROTNONE | _PAGE_PRESENT)) == _PAGE_PROTNONE; } static inline int pmd_protnone(pmd_t pmd) { return (pmd_flags(pmd) & (_PAGE_PROTNONE | _PAGE_PRESENT)) == _PAGE_PROTNONE; } #endif /* CONFIG_NUMA_BALANCING */ static inline int pmd_none(pmd_t pmd) { /* Only check low word on 32-bit platforms, since it might be out of sync with upper half. */ unsigned long val = native_pmd_val(pmd); return (val & ~_PAGE_KNL_ERRATUM_MASK) == 0; } static inline unsigned long pmd_page_vaddr(pmd_t pmd) { return (unsigned long)__va(pmd_val(pmd) & pmd_pfn_mask(pmd)); } /* * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ #define pmd_page(pmd) pfn_to_page(pmd_pfn(pmd)) /* * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD] * * this macro returns the index of the entry in the pmd page which would * control the given virtual address */ static inline unsigned long pmd_index(unsigned long address) { return (address >> PMD_SHIFT) & (PTRS_PER_PMD - 1); } /* * Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. * * (Currently stuck as a macro because of indirect forward reference * to linux/mm.h:page_to_nid()) */ #define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) /* * the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE] * * this function returns the index of the entry in the pte page which would * control the given virtual address */ static inline unsigned long pte_index(unsigned long address) { return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1); } static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address) { return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address); } static inline int pmd_bad(pmd_t pmd) { return (pmd_flags(pmd) & ~_PAGE_USER) != _KERNPG_TABLE; } static inline unsigned long pages_to_mb(unsigned long npg) { return npg >> (20 - PAGE_SHIFT); } #if CONFIG_PGTABLE_LEVELS > 2 static inline int pud_none(pud_t pud) { return (native_pud_val(pud) & ~(_PAGE_KNL_ERRATUM_MASK)) == 0; } static inline int pud_present(pud_t pud) { return pud_flags(pud) & _PAGE_PRESENT; } static inline unsigned long pud_page_vaddr(pud_t pud) { return (unsigned long)__va(pud_val(pud) & pud_pfn_mask(pud)); } /* * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ #define pud_page(pud) pfn_to_page(pud_pfn(pud)) /* Find an entry in the second-level page table.. */ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) { return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(address); } static inline int pud_large(pud_t pud) { return (pud_val(pud) & (_PAGE_PSE | _PAGE_PRESENT)) == (_PAGE_PSE | _PAGE_PRESENT); } static inline int pud_bad(pud_t pud) { return (pud_flags(pud) & ~(_KERNPG_TABLE | _PAGE_USER)) != 0; } #else static inline int pud_large(pud_t pud) { return 0; } #endif /* CONFIG_PGTABLE_LEVELS > 2 */ static inline unsigned long pud_index(unsigned long address) { return (address >> PUD_SHIFT) & (PTRS_PER_PUD - 1); } #if CONFIG_PGTABLE_LEVELS > 3 static inline int p4d_none(p4d_t p4d) { return (native_p4d_val(p4d) & ~(_PAGE_KNL_ERRATUM_MASK)) == 0; } static inline int p4d_present(p4d_t p4d) { return p4d_flags(p4d) & _PAGE_PRESENT; } static inline unsigned long p4d_page_vaddr(p4d_t p4d) { return (unsigned long)__va(p4d_val(p4d) & p4d_pfn_mask(p4d)); } /* * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ #define p4d_page(p4d) pfn_to_page(p4d_pfn(p4d)) /* Find an entry in the third-level page table.. */ static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address) { return (pud_t *)p4d_page_vaddr(*p4d) + pud_index(address); } static inline int p4d_bad(p4d_t p4d) { unsigned long ignore_flags = _KERNPG_TABLE | _PAGE_USER; if (IS_ENABLED(CONFIG_PAGE_TABLE_ISOLATION)) ignore_flags |= _PAGE_NX; return (p4d_flags(p4d) & ~ignore_flags) != 0; } #endif /* CONFIG_PGTABLE_LEVELS > 3 */ static inline unsigned long p4d_index(unsigned long address) { return (address >> P4D_SHIFT) & (PTRS_PER_P4D - 1); } #if CONFIG_PGTABLE_LEVELS > 4 static inline int pgd_present(pgd_t pgd) { return pgd_flags(pgd) & _PAGE_PRESENT; } static inline unsigned long pgd_page_vaddr(pgd_t pgd) { return (unsigned long)__va((unsigned long)pgd_val(pgd) & PTE_PFN_MASK); } /* * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ #define pgd_page(pgd) pfn_to_page(pgd_pfn(pgd)) /* to find an entry in a page-table-directory. */ static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address) { return (p4d_t *)pgd_page_vaddr(*pgd) + p4d_index(address); } static inline int pgd_bad(pgd_t pgd) { unsigned long ignore_flags = _PAGE_USER; if (IS_ENABLED(CONFIG_PAGE_TABLE_ISOLATION)) ignore_flags |= _PAGE_NX; return (pgd_flags(pgd) & ~ignore_flags) != _KERNPG_TABLE; } static inline int pgd_none(pgd_t pgd) { /* * There is no need to do a workaround for the KNL stray * A/D bit erratum here. PGDs only point to page tables * except on 32-bit non-PAE which is not supported on * KNL. */ return !native_pgd_val(pgd); } #endif /* CONFIG_PGTABLE_LEVELS > 4 */ #endif /* __ASSEMBLY__ */ /* * the pgd page can be thought of an array like this: pgd_t[PTRS_PER_PGD] * * this macro returns the index of the entry in the pgd page which would * control the given virtual address */ #define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)) /* * pgd_offset() returns a (pgd_t *) * pgd_index() is used get the offset into the pgd page's array of pgd_t's; */ #define pgd_offset_pgd(pgd, address) (pgd + pgd_index((address))) /* * a shortcut to get a pgd_t in a given mm */ #define pgd_offset(mm, address) pgd_offset_pgd((mm)->pgd, (address)) /* * a shortcut which implies the use of the kernel's pgd, instead * of a process's */ #define pgd_offset_k(address) pgd_offset(&init_mm, (address)) #define KERNEL_PGD_BOUNDARY pgd_index(PAGE_OFFSET) #define KERNEL_PGD_PTRS (PTRS_PER_PGD - KERNEL_PGD_BOUNDARY) #ifndef __ASSEMBLY__ extern int direct_gbpages; void init_mem_mapping(void); void early_alloc_pgt_buf(void); extern void memblock_find_dma_reserve(void); #ifdef CONFIG_X86_64 /* Realmode trampoline initialization. */ extern pgd_t trampoline_pgd_entry; static inline void __meminit init_trampoline_default(void) { /* Default trampoline pgd value */ trampoline_pgd_entry = init_top_pgt[pgd_index(__PAGE_OFFSET)]; } # ifdef CONFIG_RANDOMIZE_MEMORY void __meminit init_trampoline(void); # else # define init_trampoline init_trampoline_default # endif #else static inline void init_trampoline(void) { } #endif /* local pte updates need not use xchg for locking */ static inline pte_t native_local_ptep_get_and_clear(pte_t *ptep) { pte_t res = *ptep; /* Pure native function needs no input for mm, addr */ native_pte_clear(NULL, 0, ptep); return res; } static inline pmd_t native_local_pmdp_get_and_clear(pmd_t *pmdp) { pmd_t res = *pmdp; native_pmd_clear(pmdp); return res; } static inline pud_t native_local_pudp_get_and_clear(pud_t *pudp) { pud_t res = *pudp; native_pud_clear(pudp); return res; } static inline void native_set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep , pte_t pte) { native_set_pte(ptep, pte); } static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd) { native_set_pmd(pmdp, pmd); } static inline void set_pud_at(struct mm_struct *mm, unsigned long addr, pud_t *pudp, pud_t pud) { native_set_pud(pudp, pud); } /* * We only update the dirty/accessed state if we set * the dirty bit by hand in the kernel, since the hardware * will do the accessed bit for us, and we don't want to * race with other CPU's that might be updating the dirty * bit at the same time. */ struct vm_area_struct; #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS extern int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address, pte_t *ptep, pte_t entry, int dirty); #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG extern int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep); #define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH extern int ptep_clear_flush_young(struct vm_area_struct *vma, unsigned long address, pte_t *ptep); #define __HAVE_ARCH_PTEP_GET_AND_CLEAR static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { pte_t pte = native_ptep_get_and_clear(ptep); return pte; } #define __HAVE_ARCH_PTEP_GET_AND_CLEAR_FULL static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long addr, pte_t *ptep, int full) { pte_t pte; if (full) { /* * Full address destruction in progress; paravirt does not * care about updates and native needs no locking */ pte = native_local_ptep_get_and_clear(ptep); } else { pte = ptep_get_and_clear(mm, addr, ptep); } return pte; } #define __HAVE_ARCH_PTEP_SET_WRPROTECT static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { clear_bit(_PAGE_BIT_RW, (unsigned long *)&ptep->pte); } #define flush_tlb_fix_spurious_fault(vma, address) do { } while (0) #define mk_pmd(page, pgprot) pfn_pmd(page_to_pfn(page), (pgprot)) #define __HAVE_ARCH_PMDP_SET_ACCESS_FLAGS extern int pmdp_set_access_flags(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp, pmd_t entry, int dirty); extern int pudp_set_access_flags(struct vm_area_struct *vma, unsigned long address, pud_t *pudp, pud_t entry, int dirty); #define __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG extern int pmdp_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmdp); extern int pudp_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pud_t *pudp); #define __HAVE_ARCH_PMDP_CLEAR_YOUNG_FLUSH extern int pmdp_clear_flush_young(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp); #define pmd_write pmd_write static inline int pmd_write(pmd_t pmd) { return pmd_flags(pmd) & _PAGE_RW; } #define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp) { return native_pmdp_get_and_clear(pmdp); } #define __HAVE_ARCH_PUDP_HUGE_GET_AND_CLEAR static inline pud_t pudp_huge_get_and_clear(struct mm_struct *mm, unsigned long addr, pud_t *pudp) { return native_pudp_get_and_clear(pudp); } #define __HAVE_ARCH_PMDP_SET_WRPROTECT static inline void pmdp_set_wrprotect(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp) { clear_bit(_PAGE_BIT_RW, (unsigned long *)pmdp); } #define pud_write pud_write static inline int pud_write(pud_t pud) { return pud_flags(pud) & _PAGE_RW; } #ifndef pmdp_establish #define pmdp_establish pmdp_establish static inline pmd_t pmdp_establish(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp, pmd_t pmd) { if (IS_ENABLED(CONFIG_SMP)) { return xchg(pmdp, pmd); } else { pmd_t old = *pmdp; WRITE_ONCE(*pmdp, pmd); return old; } } #endif /* * Page table pages are page-aligned. The lower half of the top * level is used for userspace and the top half for the kernel. * * Returns true for parts of the PGD that map userspace and * false for the parts that map the kernel. */ static inline bool pgdp_maps_userspace(void *__ptr) { unsigned long ptr = (unsigned long)__ptr; return (((ptr & ~PAGE_MASK) / sizeof(pgd_t)) < PGD_KERNEL_START); } static inline int pgd_large(pgd_t pgd) { return 0; } #ifdef CONFIG_PAGE_TABLE_ISOLATION /* * All top-level PAGE_TABLE_ISOLATION page tables are order-1 pages * (8k-aligned and 8k in size). The kernel one is at the beginning 4k and * the user one is in the last 4k. To switch between them, you * just need to flip the 12th bit in their addresses. */ #define PTI_PGTABLE_SWITCH_BIT PAGE_SHIFT /* * This generates better code than the inline assembly in * __set_bit(). */ static inline void *ptr_set_bit(void *ptr, int bit) { unsigned long __ptr = (unsigned long)ptr; __ptr |= BIT(bit); return (void *)__ptr; } static inline void *ptr_clear_bit(void *ptr, int bit) { unsigned long __ptr = (unsigned long)ptr; __ptr &= ~BIT(bit); return (void *)__ptr; } static inline pgd_t *kernel_to_user_pgdp(pgd_t *pgdp) { return ptr_set_bit(pgdp, PTI_PGTABLE_SWITCH_BIT); } static inline pgd_t *user_to_kernel_pgdp(pgd_t *pgdp) { return ptr_clear_bit(pgdp, PTI_PGTABLE_SWITCH_BIT); } static inline p4d_t *kernel_to_user_p4dp(p4d_t *p4dp) { return ptr_set_bit(p4dp, PTI_PGTABLE_SWITCH_BIT); } static inline p4d_t *user_to_kernel_p4dp(p4d_t *p4dp) { return ptr_clear_bit(p4dp, PTI_PGTABLE_SWITCH_BIT); } #endif /* CONFIG_PAGE_TABLE_ISOLATION */ /* * clone_pgd_range(pgd_t *dst, pgd_t *src, int count); * * dst - pointer to pgd range anwhere on a pgd page * src - "" * count - the number of pgds to copy. * * dst and src can be on the same page, but the range must not overlap, * and must not cross a page boundary. */ static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count) { memcpy(dst, src, count * sizeof(pgd_t)); #ifdef CONFIG_PAGE_TABLE_ISOLATION if (!static_cpu_has(X86_FEATURE_PTI)) return; /* Clone the user space pgd as well */ memcpy(kernel_to_user_pgdp(dst), kernel_to_user_pgdp(src), count * sizeof(pgd_t)); #endif } #define PTE_SHIFT ilog2(PTRS_PER_PTE) static inline int page_level_shift(enum pg_level level) { return (PAGE_SHIFT - PTE_SHIFT) + level * PTE_SHIFT; } static inline unsigned long page_level_size(enum pg_level level) { return 1UL << page_level_shift(level); } static inline unsigned long page_level_mask(enum pg_level level) { return ~(page_level_size(level) - 1); } /* * The x86 doesn't have any external MMU info: the kernel page * tables contain all the necessary information. */ static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { } static inline void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd) { } static inline void update_mmu_cache_pud(struct vm_area_struct *vma, unsigned long addr, pud_t *pud) { } #ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY static inline pte_t pte_swp_mksoft_dirty(pte_t pte) { return pte_set_flags(pte, _PAGE_SWP_SOFT_DIRTY); } static inline int pte_swp_soft_dirty(pte_t pte) { return pte_flags(pte) & _PAGE_SWP_SOFT_DIRTY; } static inline pte_t pte_swp_clear_soft_dirty(pte_t pte) { return pte_clear_flags(pte, _PAGE_SWP_SOFT_DIRTY); } #ifdef CONFIG_ARCH_ENABLE_THP_MIGRATION static inline pmd_t pmd_swp_mksoft_dirty(pmd_t pmd) { return pmd_set_flags(pmd, _PAGE_SWP_SOFT_DIRTY); } static inline int pmd_swp_soft_dirty(pmd_t pmd) { return pmd_flags(pmd) & _PAGE_SWP_SOFT_DIRTY; } static inline pmd_t pmd_swp_clear_soft_dirty(pmd_t pmd) { return pmd_clear_flags(pmd, _PAGE_SWP_SOFT_DIRTY); } #endif #endif #define PKRU_AD_BIT 0x1u #define PKRU_WD_BIT 0x2u #define PKRU_BITS_PER_PKEY 2 static inline bool __pkru_allows_read(u32 pkru, u16 pkey) { int pkru_pkey_bits = pkey * PKRU_BITS_PER_PKEY; return !(pkru & (PKRU_AD_BIT << pkru_pkey_bits)); } static inline bool __pkru_allows_write(u32 pkru, u16 pkey) { int pkru_pkey_bits = pkey * PKRU_BITS_PER_PKEY; /* * Access-disable disables writes too so we need to check * both bits here. */ return !(pkru & ((PKRU_AD_BIT|PKRU_WD_BIT) << pkru_pkey_bits)); } static inline u16 pte_flags_pkey(unsigned long pte_flags) { #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS /* ifdef to avoid doing 59-bit shift on 32-bit values */ return (pte_flags & _PAGE_PKEY_MASK) >> _PAGE_BIT_PKEY_BIT0; #else return 0; #endif } static inline bool __pkru_allows_pkey(u16 pkey, bool write) { u32 pkru = read_pkru(); if (!__pkru_allows_read(pkru, pkey)) return false; if (write && !__pkru_allows_write(pkru, pkey)) return false; return true; } /* * 'pteval' can come from a PTE, PMD or PUD. We only check * _PAGE_PRESENT, _PAGE_USER, and _PAGE_RW in here which are the * same value on all 3 types. */ static inline bool __pte_access_permitted(unsigned long pteval, bool write) { unsigned long need_pte_bits = _PAGE_PRESENT|_PAGE_USER; if (write) need_pte_bits |= _PAGE_RW; if ((pteval & need_pte_bits) != need_pte_bits) return 0; return __pkru_allows_pkey(pte_flags_pkey(pteval), write); } #define pte_access_permitted pte_access_permitted static inline bool pte_access_permitted(pte_t pte, bool write) { return __pte_access_permitted(pte_val(pte), write); } #define pmd_access_permitted pmd_access_permitted static inline bool pmd_access_permitted(pmd_t pmd, bool write) { return __pte_access_permitted(pmd_val(pmd), write); } #define pud_access_permitted pud_access_permitted static inline bool pud_access_permitted(pud_t pud, bool write) { return __pte_access_permitted(pud_val(pud), write); } #define __HAVE_ARCH_PFN_MODIFY_ALLOWED 1 extern bool pfn_modify_allowed(unsigned long pfn, pgprot_t prot); static inline bool arch_has_pfn_modify_check(void) { return boot_cpu_has_bug(X86_BUG_L1TF); } #include <asm-generic/pgtable.h> #endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_PGTABLE_H */
Name | Type | Size | Permission | Actions |
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crypto | Folder | 0755 |
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e820 | Folder | 0755 |
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fpu | Folder | 0755 |
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numachip | Folder | 0755 |
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trace | Folder | 0755 |
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uv | Folder | 0755 |
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xen | Folder | 0755 |
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Kbuild | File | 294 B | 0644 |
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a.out-core.h | File | 1.89 KB | 0644 |
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acenv.h | File | 1.56 KB | 0644 |
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acpi.h | File | 4.76 KB | 0644 |
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agp.h | File | 1.04 KB | 0644 |
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alternative-asm.h | File | 2.43 KB | 0644 |
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alternative.h | File | 8.28 KB | 0644 |
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amd_nb.h | File | 2.98 KB | 0644 |
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apb_timer.h | File | 1.43 KB | 0644 |
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apic.h | File | 14.53 KB | 0644 |
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apic_flat_64.h | File | 151 B | 0644 |
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apicdef.h | File | 11.26 KB | 0644 |
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apm.h | File | 1.8 KB | 0644 |
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arch_hweight.h | File | 1.28 KB | 0644 |
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archrandom.h | File | 3.03 KB | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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asm-prototypes.h | File | 946 B | 0644 |
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asm.h | File | 4.97 KB | 0644 |
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atomic.h | File | 6.02 KB | 0644 |
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atomic64_32.h | File | 8.71 KB | 0644 |
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atomic64_64.h | File | 6.31 KB | 0644 |
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barrier.h | File | 3.6 KB | 0644 |
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bios_ebda.h | File | 914 B | 0644 |
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bitops.h | File | 13.78 KB | 0644 |
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boot.h | File | 1.53 KB | 0644 |
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bootparam_utils.h | File | 2.86 KB | 0644 |
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bug.h | File | 2.07 KB | 0644 |
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bugs.h | File | 493 B | 0644 |
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cache.h | File | 641 B | 0644 |
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cacheflush.h | File | 306 B | 0644 |
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cacheinfo.h | File | 209 B | 0644 |
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calgary.h | File | 2.31 KB | 0644 |
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ce4100.h | File | 121 B | 0644 |
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checksum.h | File | 133 B | 0644 |
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checksum_32.h | File | 4.86 KB | 0644 |
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checksum_64.h | File | 5.41 KB | 0644 |
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clocksource.h | File | 488 B | 0644 |
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cmdline.h | File | 302 B | 0644 |
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cmpxchg.h | File | 7.68 KB | 0644 |
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cmpxchg_32.h | File | 3.15 KB | 0644 |
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cmpxchg_64.h | File | 543 B | 0644 |
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compat.h | File | 7.37 KB | 0644 |
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cpu.h | File | 975 B | 0644 |
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cpu_device_id.h | File | 7.39 KB | 0644 |
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cpu_entry_area.h | File | 2.27 KB | 0644 |
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cpufeature.h | File | 7.75 KB | 0644 |
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cpufeatures.h | File | 25.59 KB | 0644 |
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cpumask.h | File | 408 B | 0644 |
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crash.h | File | 320 B | 0644 |
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current.h | File | 443 B | 0644 |
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debugreg.h | File | 2.67 KB | 0644 |
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delay.h | File | 208 B | 0644 |
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desc.h | File | 11.42 KB | 0644 |
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desc_defs.h | File | 3.16 KB | 0644 |
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device.h | File | 568 B | 0644 |
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disabled-features.h | File | 2.31 KB | 0644 |
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div64.h | File | 1.79 KB | 0644 |
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dma-mapping.h | File | 2.4 KB | 0644 |
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dma.h | File | 9.58 KB | 0644 |
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dmi.h | File | 556 B | 0644 |
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dwarf2.h | File | 2.43 KB | 0644 |
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edac.h | File | 474 B | 0644 |
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efi.h | File | 6.9 KB | 0644 |
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elf.h | File | 10.82 KB | 0644 |
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emergency-restart.h | File | 202 B | 0644 |
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entry_arch.h | File | 1.88 KB | 0644 |
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espfix.h | File | 426 B | 0644 |
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exec.h | File | 37 B | 0644 |
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export.h | File | 120 B | 0644 |
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extable.h | File | 1.27 KB | 0644 |
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fb.h | File | 540 B | 0644 |
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fixmap.h | File | 6.04 KB | 0644 |
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floppy.h | File | 6.59 KB | 0644 |
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frame.h | File | 815 B | 0644 |
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ftrace.h | File | 1.8 KB | 0644 |
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futex.h | File | 2.2 KB | 0644 |
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gart.h | File | 2.64 KB | 0644 |
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genapic.h | File | 22 B | 0644 |
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geode.h | File | 842 B | 0644 |
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hardirq.h | File | 2.3 KB | 0644 |
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highmem.h | File | 2.6 KB | 0644 |
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hpet.h | File | 3.38 KB | 0644 |
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hugetlb.h | File | 2.15 KB | 0644 |
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hw_breakpoint.h | File | 1.96 KB | 0644 |
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hw_irq.h | File | 3.85 KB | 0644 |
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hypervisor.h | File | 1.84 KB | 0644 |
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i8259.h | File | 1.93 KB | 0644 |
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ia32.h | File | 1.46 KB | 0644 |
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ia32_unistd.h | File | 313 B | 0644 |
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imr.h | File | 1.81 KB | 0644 |
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inat.h | File | 6.58 KB | 0644 |
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inat_types.h | File | 1013 B | 0644 |
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init.h | File | 632 B | 0644 |
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insn-eval.h | File | 837 B | 0644 |
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insn.h | File | 7.46 KB | 0644 |
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inst.h | File | 5.07 KB | 0644 |
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intel-family.h | File | 3.47 KB | 0644 |
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intel-mid.h | File | 4.91 KB | 0644 |
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intel_ds.h | File | 793 B | 0644 |
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intel_mid_vrtc.h | File | 326 B | 0644 |
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intel_pmc_ipc.h | File | 2.08 KB | 0644 |
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intel_pt.h | File | 292 B | 0644 |
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intel_punit_ipc.h | File | 4.56 KB | 0644 |
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intel_rdt_sched.h | File | 2.59 KB | 0644 |
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intel_scu_ipc.h | File | 2.3 KB | 0644 |
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intel_telemetry.h | File | 3.96 KB | 0644 |
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invpcid.h | File | 1.57 KB | 0644 |
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io.h | File | 12.21 KB | 0644 |
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io_apic.h | File | 5.63 KB | 0644 |
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iomap.h | File | 1.22 KB | 0644 |
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iommu.h | File | 392 B | 0644 |
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iommu_table.h | File | 3.82 KB | 0644 |
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iosf_mbi.h | File | 5.74 KB | 0644 |
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ipi.h | File | 2.84 KB | 0644 |
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irq.h | File | 1.12 KB | 0644 |
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irq_regs.h | File | 679 B | 0644 |
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irq_remapping.h | File | 2.96 KB | 0644 |
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irq_vectors.h | File | 4.12 KB | 0644 |
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irq_work.h | File | 397 B | 0644 |
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irqdomain.h | File | 1.61 KB | 0644 |
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irqflags.h | File | 4.38 KB | 0644 |
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ist.h | File | 735 B | 0644 |
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jump_label.h | File | 2.44 KB | 0644 |
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kasan.h | File | 966 B | 0644 |
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kaslr.h | File | 424 B | 0644 |
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kbdleds.h | File | 454 B | 0644 |
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kdebug.h | File | 752 B | 0644 |
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kexec-bzimage64.h | File | 189 B | 0644 |
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kexec.h | File | 6.69 KB | 0644 |
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kgdb.h | File | 2.09 KB | 0644 |
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kmap_types.h | File | 289 B | 0644 |
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kprobes.h | File | 3.82 KB | 0644 |
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kvm_emulate.h | File | 15.23 KB | 0644 |
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kvm_guest.h | File | 172 B | 0644 |
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kvm_host.h | File | 42.72 KB | 0644 |
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kvm_page_track.h | File | 2.48 KB | 0644 |
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kvm_para.h | File | 3 KB | 0644 |
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kvmclock.h | File | 170 B | 0644 |
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linkage.h | File | 581 B | 0644 |
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livepatch.h | File | 1.12 KB | 0644 |
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local.h | File | 3.83 KB | 0644 |
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local64.h | File | 33 B | 0644 |
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mach_timer.h | File | 1.55 KB | 0644 |
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mach_traps.h | File | 1013 B | 0644 |
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math_emu.h | File | 395 B | 0644 |
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mc146818rtc.h | File | 2.76 KB | 0644 |
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mce.h | File | 12.54 KB | 0644 |
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mem_encrypt.h | File | 2.83 KB | 0644 |
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microcode.h | File | 4.14 KB | 0644 |
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microcode_amd.h | File | 1.41 KB | 0644 |
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microcode_intel.h | File | 2.46 KB | 0644 |
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misc.h | File | 143 B | 0644 |
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mmconfig.h | File | 374 B | 0644 |
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mmu.h | File | 1.57 KB | 0644 |
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mmu_context.h | File | 10.27 KB | 0644 |
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mmx.h | File | 337 B | 0644 |
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mmzone.h | File | 129 B | 0644 |
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mmzone_32.h | File | 1.16 KB | 0644 |
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mmzone_64.h | File | 430 B | 0644 |
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module.h | File | 2.05 KB | 0644 |
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mpspec.h | File | 3.93 KB | 0644 |
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mpspec_def.h | File | 3.93 KB | 0644 |
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mpx.h | File | 2.97 KB | 0644 |
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mshyperv.h | File | 10.69 KB | 0644 |
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msi.h | File | 392 B | 0644 |
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msidef.h | File | 1.77 KB | 0644 |
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msr-index.h | File | 30.92 KB | 0644 |
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msr-trace.h | File | 1.35 KB | 0644 |
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msr.h | File | 10.85 KB | 0644 |
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mtrr.h | File | 4.62 KB | 0644 |
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mwait.h | File | 3.74 KB | 0644 |
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nmi.h | File | 1.39 KB | 0644 |
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nops.h | File | 4.31 KB | 0644 |
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nospec-branch.h | File | 11.49 KB | 0644 |
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numa.h | File | 2.18 KB | 0644 |
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numa_32.h | File | 256 B | 0644 |
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olpc.h | File | 3.16 KB | 0644 |
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olpc_ofw.h | File | 1.1 KB | 0644 |
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orc_lookup.h | File | 1.63 KB | 0644 |
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orc_types.h | File | 3.47 KB | 0644 |
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page.h | File | 2.18 KB | 0644 |
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page_32.h | File | 1.01 KB | 0644 |
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page_32_types.h | File | 1.7 KB | 0644 |
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page_64.h | File | 1.42 KB | 0644 |
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page_64_types.h | File | 2.34 KB | 0644 |
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page_types.h | File | 2.29 KB | 0644 |
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paravirt.h | File | 23.31 KB | 0644 |
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paravirt_types.h | File | 22.15 KB | 0644 |
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parport.h | File | 314 B | 0644 |
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pat.h | File | 768 B | 0644 |
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pci-direct.h | File | 995 B | 0644 |
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pci-functions.h | File | 654 B | 0644 |
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pci.h | File | 3.51 KB | 0644 |
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pci_64.h | File | 684 B | 0644 |
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pci_x86.h | File | 5.71 KB | 0644 |
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percpu.h | File | 18.97 KB | 0644 |
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perf_event.h | File | 8.82 KB | 0644 |
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perf_event_p4.h | File | 26.1 KB | 0644 |
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pgalloc.h | File | 5.57 KB | 0644 |
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pgtable-2level.h | File | 2.75 KB | 0644 |
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pgtable-2level_types.h | File | 867 B | 0644 |
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pgtable-3level.h | File | 10.24 KB | 0644 |
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pgtable-3level_types.h | File | 1.06 KB | 0644 |
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pgtable-invert.h | File | 1.07 KB | 0644 |
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pgtable.h | File | 33.91 KB | 0644 |
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pgtable_32.h | File | 3.1 KB | 0644 |
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pgtable_32_types.h | File | 2.01 KB | 0644 |
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pgtable_64.h | File | 7.37 KB | 0644 |
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pgtable_64_types.h | File | 3.67 KB | 0644 |
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pgtable_types.h | File | 16.75 KB | 0644 |
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pkeys.h | File | 3.17 KB | 0644 |
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platform_sst_audio.h | File | 3.18 KB | 0644 |
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pm-trace.h | File | 611 B | 0644 |
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posix_types.h | File | 144 B | 0644 |
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preempt.h | File | 3.04 KB | 0644 |
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probe_roms.h | File | 273 B | 0644 |
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processor-cyrix.h | File | 879 B | 0644 |
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processor-flags.h | File | 1.71 KB | 0644 |
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processor.h | File | 24.54 KB | 0644 |
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prom.h | File | 1 KB | 0644 |
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proto.h | File | 1003 B | 0644 |
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pti.h | File | 369 B | 0644 |
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ptrace.h | File | 8.52 KB | 0644 |
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purgatory.h | File | 571 B | 0644 |
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pvclock-abi.h | File | 1.49 KB | 0644 |
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pvclock.h | File | 2.64 KB | 0644 |
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qrwlock.h | File | 199 B | 0644 |
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qspinlock.h | File | 2.54 KB | 0644 |
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qspinlock_paravirt.h | File | 1.85 KB | 0644 |
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realmode.h | File | 1.76 KB | 0644 |
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reboot.h | File | 850 B | 0644 |
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reboot_fixups.h | File | 183 B | 0644 |
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refcount.h | File | 2.83 KB | 0644 |
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required-features.h | File | 2.81 KB | 0644 |
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rio.h | File | 2.57 KB | 0644 |
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rmwcc.h | File | 1.62 KB | 0644 |
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rwsem.h | File | 7.02 KB | 0644 |
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seccomp.h | File | 510 B | 0644 |
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sections.h | File | 465 B | 0644 |
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segment.h | File | 9.47 KB | 0644 |
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serial.h | File | 1.11 KB | 0644 |
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set_memory.h | File | 3.86 KB | 0644 |
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setup.h | File | 3.4 KB | 0644 |
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setup_arch.h | File | 77 B | 0644 |
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shmparam.h | File | 193 B | 0644 |
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sigcontext.h | File | 261 B | 0644 |
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sigframe.h | File | 2.25 KB | 0644 |
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sighandling.h | File | 649 B | 0644 |
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signal.h | File | 2.37 KB | 0644 |
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simd.h | File | 287 B | 0644 |
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smap.h | File | 1.71 KB | 0644 |
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smp.h | File | 4.73 KB | 0644 |
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sparsemem.h | File | 1.01 KB | 0644 |
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spec-ctrl.h | File | 2.81 KB | 0644 |
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special_insns.h | File | 5.04 KB | 0644 |
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spinlock.h | File | 1.19 KB | 0644 |
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spinlock_types.h | File | 719 B | 0644 |
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sta2x11.h | File | 352 B | 0644 |
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stackprotector.h | File | 4.13 KB | 0644 |
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stacktrace.h | File | 2.57 KB | 0644 |
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string.h | File | 129 B | 0644 |
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string_32.h | File | 7.74 KB | 0644 |
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string_64.h | File | 3.56 KB | 0644 |
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suspend.h | File | 131 B | 0644 |
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suspend_32.h | File | 822 B | 0644 |
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suspend_64.h | File | 1.79 KB | 0644 |
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svm.h | File | 7.08 KB | 0644 |
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swiotlb.h | File | 991 B | 0644 |
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switch_to.h | File | 2.98 KB | 0644 |
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sync_bitops.h | File | 3.42 KB | 0644 |
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sys_ia32.h | File | 1.8 KB | 0644 |
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syscall.h | File | 5.14 KB | 0644 |
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syscalls.h | File | 1.39 KB | 0644 |
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sysfb.h | File | 2.54 KB | 0644 |
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tce.h | File | 1.68 KB | 0644 |
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text-patching.h | File | 2.3 KB | 0644 |
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thread_info.h | File | 9.33 KB | 0644 |
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time.h | File | 331 B | 0644 |
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timer.h | File | 1 KB | 0644 |
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timex.h | File | 546 B | 0644 |
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tlb.h | File | 1.05 KB | 0644 |
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tlbbatch.h | File | 332 B | 0644 |
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tlbflush.h | File | 17.09 KB | 0644 |
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topology.h | File | 4.84 KB | 0644 |
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trace_clock.h | File | 406 B | 0644 |
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traps.h | File | 5.74 KB | 0644 |
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tsc.h | File | 1.93 KB | 0644 |
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uaccess.h | File | 21.69 KB | 0644 |
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uaccess_32.h | File | 1.54 KB | 0644 |
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uaccess_64.h | File | 5.32 KB | 0644 |
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umip.h | File | 329 B | 0644 |
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unaligned.h | File | 345 B | 0644 |
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unistd.h | File | 1.45 KB | 0644 |
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unwind.h | File | 3.13 KB | 0644 |
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unwind_hints.h | File | 3.01 KB | 0644 |
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uprobes.h | File | 1.57 KB | 0644 |
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user.h | File | 2.2 KB | 0644 |
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user32.h | File | 2.11 KB | 0644 |
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user_32.h | File | 4.92 KB | 0644 |
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user_64.h | File | 5.21 KB | 0644 |
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vdso.h | File | 1.09 KB | 0644 |
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vga.h | File | 740 B | 0644 |
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vgtod.h | File | 2.13 KB | 0644 |
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virtext.h | File | 2.62 KB | 0644 |
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vm86.h | File | 2.16 KB | 0644 |
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vmx.h | File | 23.5 KB | 0644 |
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vsyscall.h | File | 635 B | 0644 |
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vvar.h | File | 1.38 KB | 0644 |
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word-at-a-time.h | File | 2.54 KB | 0644 |
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x86_init.h | File | 9.25 KB | 0644 |
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xor.h | File | 10.26 KB | 0644 |
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xor_32.h | File | 14.4 KB | 0644 |
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xor_64.h | File | 716 B | 0644 |
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xor_avx.h | File | 4.5 KB | 0644 |
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