0x00040000 IˆËÊ 395É¿Ç‹I/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MATH_EMU_H #define _ASM_X86_MATH_EMU_H #include /* This structure matches the layout of the data saved to the stack following a device-not-present interrupt, part of it saved automatically by the 80386/80486. */ struct math_emu_info { long ___orig_eip; struct pt_regs *regs; }; #endif /* _ASM_X86_MATH_EMU_H */ KˆËÊ 237É¿ÇíK/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_DMA_MAPPING_H #define _ASM_X86_DMA_MAPPING_H extern const struct dma_map_ops *dma_ops; static inline const struct dma_map_ops *get_arch_dma_ops(void) { return dma_ops; } #endif MˆËÊ 332É¿ÇLM/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ARCH_X86_TLBBATCH_H #define _ARCH_X86_TLBBATCH_H #include struct arch_tlbflush_unmap_batch { /* * Each bit set is a CPU that potentially has a TLB entry for one of * the PFNs being flushed.. */ struct cpumask cpumask; }; #endif /* _ARCH_X86_TLBBATCH_H */ Oˆ ƒ ÎÄ¿ÇDO Index of /configAHR/Jump/0-coastlinecompg/anon_sym/anon/proc/2240258/attr

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#QˆËÊ ƒÉa–ßi~” *j"Tâ‚ Àà„¦-ÿÈCQ/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_PGTABLE_INVERT_H #define _ASM_PGTABLE_INVERT_H 1 #ifndef __ASSEMBLY__ /* * A clear pte value is special, and doesn't get inverted. * * Note that even users that only pass a pgprot_t (rather * than a full pte) won't trigger the special zero case, * because even PAGE_NONE has _PAGE_PROTNONE | _PAGE_ACCESSED * set. So the all zero case really is limited to just the * cleared page table entry case. */ static inline bool __pte_needs_invert(u64 val) { return val && !(val & _PAGE_PRESENT); } /* Get a mask to xor with the page table entry to get the correct pfn. */ static inline u64 protnone_mask(u64 val) { return __pte_needs_invert(val) ? ~0ull : 0; } static inline u64 flip_protnone_guard(u64 oldval, u64 val, u64 mask) { /* * When a PTE transitions from NONE to !NONE or vice-versa * invert the PFN part to stop speculation. * pte_pfn undoes this when needed. */ if (__pte_needs_invert(oldval) != __pte_needs_invert(val)) val = (val & ~mask) | (~val & mask); return val; } #endif /* __ASSEMBLY__ */ #endif