tlbflush.h 1.4 KB

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  1. #ifndef _SPARC64_TLBFLUSH_H
  2. #define _SPARC64_TLBFLUSH_H
  3. #include <linux/config.h>
  4. #include <linux/mm.h>
  5. #include <asm/mmu_context.h>
  6. /* TSB flush operations. */
  7. struct mmu_gather;
  8. extern void flush_tsb_kernel_range(unsigned long start, unsigned long end);
  9. extern void flush_tsb_user(struct mmu_gather *mp);
  10. /* TLB flush operations. */
  11. extern void flush_tlb_pending(void);
  12. #define flush_tlb_range(vma,start,end) \
  13. do { (void)(start); flush_tlb_pending(); } while (0)
  14. #define flush_tlb_page(vma,addr) flush_tlb_pending()
  15. #define flush_tlb_mm(mm) flush_tlb_pending()
  16. /* Local cpu only. */
  17. extern void __flush_tlb_all(void);
  18. extern void __flush_tlb_page(unsigned long context, unsigned long page, unsigned long r);
  19. extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
  20. #ifndef CONFIG_SMP
  21. #define flush_tlb_kernel_range(start,end) \
  22. do { flush_tsb_kernel_range(start,end); \
  23. __flush_tlb_kernel_range(start,end); \
  24. } while (0)
  25. #else /* CONFIG_SMP */
  26. extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
  27. #define flush_tlb_kernel_range(start, end) \
  28. do { flush_tsb_kernel_range(start,end); \
  29. smp_flush_tlb_kernel_range(start, end); \
  30. } while (0)
  31. #endif /* ! CONFIG_SMP */
  32. static inline void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end)
  33. {
  34. /* We don't use virtual page tables for TLB miss processing
  35. * any more. Nowadays we use the TSB.
  36. */
  37. }
  38. #endif /* _SPARC64_TLBFLUSH_H */