include/asm-sparc/tlbflush.h

   1 #ifndef _SPARC_TLBFLUSH_H
   2 #define _SPARC_TLBFLUSH_H
   3
   4 #include <linux/config.h>
   5 #include <linux/mm.h>
   6 // #include <asm/processor.h>
   7
   8 /*
   9  * TLB flushing:
  10  *
  11  *  - flush_tlb() flushes the current mm struct TLBs    XXX Exists?
  12  *  - flush_tlb_all() flushes all processes TLBs
  13  *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
  14  *  - flush_tlb_page(vma, vmaddr) flushes one page
  15  *  - flush_tlb_range(vma, start, end) flushes a range of pages
  16  *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
  17  *  - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
  18  */
  19
  20 #ifdef CONFIG_SMP
  21
  22 BTFIXUPDEF_CALL(void, local_flush_tlb_all, void)
  23 BTFIXUPDEF_CALL(void, local_flush_tlb_mm, struct mm_struct *)
  24 BTFIXUPDEF_CALL(void, local_flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long)
  25 BTFIXUPDEF_CALL(void, local_flush_tlb_page, struct vm_area_struct *, unsigned long)
  26
  27 #define local_flush_tlb_all() BTFIXUP_CALL(local_flush_tlb_all)()
  28 #define local_flush_tlb_mm(mm) BTFIXUP_CALL(local_flush_tlb_mm)(mm)
  29 #define local_flush_tlb_range(vma,start,end) BTFIXUP_CALL(local_flush_tlb_range)(vma,start,end)
  30 #define local_flush_tlb_page(vma,addr) BTFIXUP_CALL(local_flush_tlb_page)(vma,addr)
  31
  32 extern void smp_flush_tlb_all(void);
  33 extern void smp_flush_tlb_mm(struct mm_struct *mm);
  34 extern void smp_flush_tlb_range(struct vm_area_struct *vma,
  35                                   unsigned long start,
  36                                   unsigned long end);
  37 extern void smp_flush_tlb_page(struct vm_area_struct *mm, unsigned long page);
  38
  39 #endif /* CONFIG_SMP */
  40
  41 BTFIXUPDEF_CALL(void, flush_tlb_all, void)
  42 BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *)
  43 BTFIXUPDEF_CALL(void, flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long)
  44 BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long)
  45
  46 // Thanks to Anton Blanchard, our pagetables became uncached in 2.4. Wee!
  47 // extern void flush_tlb_pgtables(struct mm_struct *mm,
  48 //     unsigned long start, unsigned long end);
  49 #define flush_tlb_pgtables(mm, start, end)      do{ }while(0)
  50
  51 #define flush_tlb_all() BTFIXUP_CALL(flush_tlb_all)()
  52 #define flush_tlb_mm(mm) BTFIXUP_CALL(flush_tlb_mm)(mm)
  53 #define flush_tlb_range(vma,start,end) BTFIXUP_CALL(flush_tlb_range)(vma,start,end)
  54 #define flush_tlb_page(vma,addr) BTFIXUP_CALL(flush_tlb_page)(vma,addr)
  55
  56 // #define flush_tlb() flush_tlb_mm(current->active_mm) /* XXX Sure? */
  57
  58 /*
  59  * This is a kludge, until I know better. --zaitcev XXX
  60  */
  61 #define flush_tlb_kernel_range(start, end) flush_tlb_all()
  62
  63 #endif /* _SPARC_TLBFLUSH_H */