arch/sparc/include/asm/tlbflush_64.h

Source file repositories/reference/linux-study-clean/arch/sparc/include/asm/tlbflush_64.h

File Facts

System
Linux kernel
Corpus path
arch/sparc/include/asm/tlbflush_64.h
Extension
.h
Size
1693 bytes
Lines
69
Domain
Architecture Layer
Bucket
arch/sparc
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

struct tlb_batch {
	unsigned int hugepage_shift;
	struct mm_struct *mm;
	unsigned long tlb_nr;
	unsigned long vaddrs[TLB_BATCH_NR];
};

void flush_tsb_kernel_range(unsigned long start, unsigned long end);
void flush_tsb_user(struct tlb_batch *tb);
void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr,
			 unsigned int hugepage_shift);

/* TLB flush operations. */

static inline void flush_tlb_mm(struct mm_struct *mm)
{
}

static inline void flush_tlb_page(struct vm_area_struct *vma,
				  unsigned long vmaddr)
{
}

static inline void flush_tlb_range(struct vm_area_struct *vma,
				   unsigned long start, unsigned long end)
{
}

void flush_tlb_kernel_range(unsigned long start, unsigned long end);

void flush_tlb_pending(void);
void arch_enter_lazy_mmu_mode(void);
void arch_flush_lazy_mmu_mode(void);
void arch_leave_lazy_mmu_mode(void);

/* Local cpu only.  */
void __flush_tlb_all(void);
void __flush_tlb_page(unsigned long context, unsigned long vaddr);
void __flush_tlb_kernel_range(unsigned long start, unsigned long end);

#ifndef CONFIG_SMP

static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr)
{
	__flush_tlb_page(CTX_HWBITS(mm->context), vaddr);
}

#else /* CONFIG_SMP */

void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr);

#define global_flush_tlb_page(mm, vaddr) \
	smp_flush_tlb_page(mm, vaddr)

#endif /* ! CONFIG_SMP */

#endif /* _SPARC64_TLBFLUSH_H */

Annotation

Implementation Notes