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kernel/linux-rt-4.4.41/arch/sparc/include/asm/tlbflush_64.h 1.66 KB
5113f6f70   김현기   kernel add
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  #ifndef _SPARC64_TLBFLUSH_H
  #define _SPARC64_TLBFLUSH_H
  
  #include <asm/mmu_context.h>
  
  /* TSB flush operations. */
  
  #define TLB_BATCH_NR	192
  
  struct tlb_batch {
  	bool huge;
  	struct mm_struct *mm;
  	unsigned long tlb_nr;
  	unsigned long active;
  	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, bool huge);
  
  /* 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);
  
  #define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
  
  void flush_tlb_pending(void);
  void arch_enter_lazy_mmu_mode(void);
  void arch_leave_lazy_mmu_mode(void);
  #define arch_flush_lazy_mmu_mode()      do {} while (0)
  
  /* 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 */