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C/C++ Source or Header  |  2008-12-24  |  2.2 KB  |  61 lines
  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.  
  20. BTFIXUPDEF_CALL(void, local_flush_tlb_all, void)
  21. BTFIXUPDEF_CALL(void, local_flush_tlb_mm, struct mm_struct *)
  22. BTFIXUPDEF_CALL(void, local_flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long)
  23. BTFIXUPDEF_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.  
  30. extern void smp_flush_tlb_all(void);
  31. extern void smp_flush_tlb_mm(struct mm_struct *mm);
  32. extern void smp_flush_tlb_range(struct vm_area_struct *vma,
  33.                   unsigned long start,
  34.                   unsigned long end);
  35. extern void smp_flush_tlb_page(struct vm_area_struct *mm, unsigned long page);
  36.  
  37. #endif /* CONFIG_SMP */
  38.  
  39. BTFIXUPDEF_CALL(void, flush_tlb_all, void)
  40. BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *)
  41. BTFIXUPDEF_CALL(void, flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long)
  42. BTFIXUPDEF_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.  */
  54. static 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.