summaryrefslogtreecommitdiffstats
path: root/include/asm-cris/tlbflush.h
blob: 0569612477e3eddc1df7cbd7132b5238f19a14be (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
#ifndef _CRIS_TLBFLUSH_H
#define _CRIS_TLBFLUSH_H

#include <linux/mm.h>
#include <asm/processor.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>

/*
 * TLB flushing (implemented in arch/cris/mm/tlb.c):
 *
 *  - flush_tlb() flushes the current mm struct TLBs
 *  - flush_tlb_all() flushes all processes TLBs
 *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
 *  - flush_tlb_page(vma, vmaddr) flushes one page
 *  - flush_tlb_range(mm, start, end) flushes a range of pages
 *
 */

extern void __flush_tlb_all(void);
extern void __flush_tlb_mm(struct mm_struct *mm);
extern void __flush_tlb_page(struct vm_area_struct *vma,
			   unsigned long addr);

#ifdef CONFIG_SMP
extern void flush_tlb_all(void);
extern void flush_tlb_mm(struct mm_struct *mm);
extern void flush_tlb_page(struct vm_area_struct *vma, 
			   unsigned long addr);
#else
#define flush_tlb_all __flush_tlb_all
#define flush_tlb_mm __flush_tlb_mm
#define flush_tlb_page __flush_tlb_page
#endif

static inline void flush_tlb_range(struct vm_area_struct * vma, unsigned long start, unsigned long end)
{
	flush_tlb_mm(vma->vm_mm);
}

static inline void flush_tlb_pgtables(struct mm_struct *mm,
                                      unsigned long start, unsigned long end)
{
        /* CRIS does not keep any page table caches in TLB */
}


static inline void flush_tlb(void)
{
	flush_tlb_mm(current->mm);
}

#define flush_tlb_kernel_range(start, end) flush_tlb_all()

#endif /* _CRIS_TLBFLUSH_H */
OpenPOWER on IntegriCloud