LXR linux/arch/sparc/include/asm/tlbflush

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