include/asm-sparc64/tlbflush.h

   1 #ifndef _SPARC64_TLBFLUSH_H
   2 #define _SPARC64_TLBFLUSH_H
   3
   4 #include <linux/config.h>
   5 #include <linux/mm.h>
   6 #include <asm/mmu_context.h>
   7
   8 /* TSB flush operations. */
   9 struct mmu_gather;
  10 extern void flush_tsb_kernel_range(unsigned long start, unsigned long end);
  11 extern void flush_tsb_user(struct mmu_gather *mp);
  12
  13 /* TLB flush operations. */
  14
  15 extern void flush_tlb_pending(void);
  16
  17 #define flush_tlb_range(vma,start,end)  \
  18         do { (void)(start); flush_tlb_pending(); } while (0)
  19 #define flush_tlb_page(vma,addr)        flush_tlb_pending()
  20 #define flush_tlb_mm(mm)                flush_tlb_pending()
  21
  22 /* Local cpu only.  */
  23 extern void __flush_tlb_all(void);
  24
  25 extern void __flush_tlb_page(unsigned long context, unsigned long page, unsigned long r);
  26
  27 extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
  28
  29 #ifndef CONFIG_SMP
  30
  31 #define flush_tlb_kernel_range(start,end) \
  32 do {    flush_tsb_kernel_range(start,end); \
  33         __flush_tlb_kernel_range(start,end); \
  34 } while (0)
  35
  36 #else /* CONFIG_SMP */
  37
  38 extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
  39
  40 #define flush_tlb_kernel_range(start, end) \
  41 do {    flush_tsb_kernel_range(start,end); \
  42         smp_flush_tlb_kernel_range(start, end); \
  43 } while (0)
  44
  45 #endif /* ! CONFIG_SMP */
  46
  47 static inline void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end)
  48 {
  49         /* We don't use virtual page tables for TLB miss processing
  50          * any more.  Nowadays we use the TSB.
  51          */
  52 }
  53
  54 #endif /* _SPARC64_TLBFLUSH_H */