| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _SPARC_TLBFLUSH_H |
| 2 | #define _SPARC_TLBFLUSH_H |
| 3 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables |
| 17 | */ |
| 18 | |
| 19 | #ifdef CONFIG_SMP |
| 20 | |
| 21 | BTFIXUPDEF_CALL(void, local_flush_tlb_all, void) |
| 22 | BTFIXUPDEF_CALL(void, local_flush_tlb_mm, struct mm_struct *) |
| 23 | BTFIXUPDEF_CALL(void, local_flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) |
| 24 | BTFIXUPDEF_CALL(void, local_flush_tlb_page, struct vm_area_struct *, unsigned long) |
| 25 | |
| 26 | #define local_flush_tlb_all() BTFIXUP_CALL(local_flush_tlb_all)() |
| 27 | #define local_flush_tlb_mm(mm) BTFIXUP_CALL(local_flush_tlb_mm)(mm) |
| 28 | #define local_flush_tlb_range(vma,start,end) BTFIXUP_CALL(local_flush_tlb_range)(vma,start,end) |
| 29 | #define local_flush_tlb_page(vma,addr) BTFIXUP_CALL(local_flush_tlb_page)(vma,addr) |
| 30 | |
| 31 | extern void smp_flush_tlb_all(void); |
| 32 | extern void smp_flush_tlb_mm(struct mm_struct *mm); |
| 33 | extern void smp_flush_tlb_range(struct vm_area_struct *vma, |
| 34 | unsigned long start, |
| 35 | unsigned long end); |
| 36 | extern void smp_flush_tlb_page(struct vm_area_struct *mm, unsigned long page); |
| 37 | |
| 38 | #endif /* CONFIG_SMP */ |
| 39 | |
| 40 | BTFIXUPDEF_CALL(void, flush_tlb_all, void) |
| 41 | BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *) |
| 42 | BTFIXUPDEF_CALL(void, flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) |
| 43 | BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long) |
| 44 | |
| 45 | // Thanks to Anton Blanchard, our pagetables became uncached in 2.4. Wee! |
| 46 | // extern void flush_tlb_pgtables(struct mm_struct *mm, |
| 47 | // unsigned long start, unsigned long end); |
| 48 | #define flush_tlb_pgtables(mm, start, end) do{ }while(0) |
| 49 | |
| 50 | #define flush_tlb_all() BTFIXUP_CALL(flush_tlb_all)() |
| 51 | #define flush_tlb_mm(mm) BTFIXUP_CALL(flush_tlb_mm)(mm) |
| 52 | #define flush_tlb_range(vma,start,end) BTFIXUP_CALL(flush_tlb_range)(vma,start,end) |
| 53 | #define flush_tlb_page(vma,addr) BTFIXUP_CALL(flush_tlb_page)(vma,addr) |
| 54 | |
| 55 | // #define flush_tlb() flush_tlb_mm(current->active_mm) /* XXX Sure? */ |
| 56 | |
| 57 | /* |
| 58 | * This is a kludge, until I know better. --zaitcev XXX |
| 59 | */ |
| 60 | #define flush_tlb_kernel_range(start, end) flush_tlb_all() |
| 61 | |
| 62 | #endif /* _SPARC_TLBFLUSH_H */ |