arch/loongarch/include/asm/tlbflush.h

Source file repositories/reference/linux-study-clean/arch/loongarch/include/asm/tlbflush.h

File Facts

System
Linux kernel
Corpus path
arch/loongarch/include/asm/tlbflush.h
Extension
.h
Size
1859 bytes
Lines
49
Domain
Architecture Layer
Bucket
arch/loongarch
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __ASM_TLBFLUSH_H
#define __ASM_TLBFLUSH_H

#include <linux/mm.h>

/*
 * TLB flushing:
 *
 *  - flush_tlb_all() flushes all processes TLB entries
 *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
 *  - flush_tlb_page(vma, vmaddr) flushes one page
 *  - flush_tlb_range(vma, start, end) flushes a range of pages
 *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
 */
extern void local_flush_tlb_all(void);
extern void local_flush_tlb_user(void);
extern void local_flush_tlb_kernel(void);
extern void local_flush_tlb_mm(struct mm_struct *mm);
extern void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
extern void local_flush_tlb_kernel_range(unsigned long start, unsigned long end);
extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
extern void local_flush_tlb_one(unsigned long vaddr);

#ifdef CONFIG_SMP

extern void flush_tlb_all(void);
extern void flush_tlb_mm(struct mm_struct *);
extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, unsigned long);
extern void flush_tlb_kernel_range(unsigned long, unsigned long);
extern void flush_tlb_page(struct vm_area_struct *, unsigned long);
extern void flush_tlb_one(unsigned long vaddr);

#else /* CONFIG_SMP */

#define flush_tlb_all()			local_flush_tlb_all()
#define flush_tlb_mm(mm)		local_flush_tlb_mm(mm)
#define flush_tlb_range(vma, vmaddr, end)	local_flush_tlb_range(vma, vmaddr, end)
#define flush_tlb_kernel_range(vmaddr, end)	local_flush_tlb_kernel_range(vmaddr, end)
#define flush_tlb_page(vma, page)	local_flush_tlb_page(vma, page)
#define flush_tlb_one(vaddr)		local_flush_tlb_one(vaddr)

#endif /* CONFIG_SMP */

#endif /* __ASM_TLBFLUSH_H */

Annotation

Implementation Notes