Don't include linux/config.h from anywhere else in include/
[linux-2.6.git] / include / asm-sparc / tlbflush.h
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  *  - 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 */