include/asm-sparc64/tlbflush.h

   1 #ifndef _SPARC64_TLBFLUSH_H
   2 #define _SPARC64_TLBFLUSH_H
   3
   4 #include <linux/mm.h>
   5 #include <asm/mmu_context.h>
   6
   7 /* TSB flush operations. */
   8 struct mmu_gather;
   9 extern void flush_tsb_kernel_range(unsigned long start, unsigned long end);
  10 extern void flush_tsb_user(struct mmu_gather *mp);
  11
  12 /* TLB flush operations. */
  13
  14 extern void flush_tlb_pending(void);
  15
  16 #define flush_tlb_range(vma,start,end)  \
  17         do { (void)(start); flush_tlb_pending(); } while (0)
  18 #define flush_tlb_page(vma,addr)        flush_tlb_pending()
  19 #define flush_tlb_mm(mm)                flush_tlb_pending()
  20
  21 /* Local cpu only.  */
  22 extern void __flush_tlb_all(void);
  23
  24 extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
  25
  26 #ifndef CONFIG_SMP
  27
  28 #define flush_tlb_kernel_range(start,end) \
  29 do {    flush_tsb_kernel_range(start,end); \
  30         __flush_tlb_kernel_range(start,end); \
  31 } while (0)
  32
  33 #else /* CONFIG_SMP */
  34
  35 extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
  36
  37 #define flush_tlb_kernel_range(start, end) \
  38 do {    flush_tsb_kernel_range(start,end); \
  39         smp_flush_tlb_kernel_range(start, end); \
  40 } while (0)
  41
  42 #endif /* ! CONFIG_SMP */
  43
  44 static inline void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end)
  45 {
  46         /* We don't use virtual page tables for TLB miss processing
  47          * any more.  Nowadays we use the TSB.
  48          */
  49 }
  50
  51 #endif /* _SPARC64_TLBFLUSH_H */