1#ifndef _PARISC_TLBFLUSH_H
2#define _PARISC_TLBFLUSH_H
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5
6#include <linux/mm.h>
7#include <linux/sched.h>
8#include <asm/mmu_context.h>
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19extern spinlock_t pa_tlb_lock;
20
21#define purge_tlb_start(x) spin_lock(&pa_tlb_lock)
22#define purge_tlb_end(x) spin_unlock(&pa_tlb_lock)
23
24extern void flush_tlb_all(void);
25extern void flush_tlb_all_local(void *);
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42
43static inline void flush_tlb_mm(struct mm_struct *mm)
44{
45 BUG_ON(mm == &init_mm);
46
47#ifdef CONFIG_SMP
48 flush_tlb_all();
49#else
50 if (mm) {
51 if (mm->context != 0)
52 free_sid(mm->context);
53 mm->context = alloc_sid();
54 if (mm == current->active_mm)
55 load_context(mm->context);
56 }
57#endif
58}
59
60static inline void flush_tlb_page(struct vm_area_struct *vma,
61 unsigned long addr)
62{
63
64
65 mb();
66 mtsp(vma->vm_mm->context,1);
67 purge_tlb_start();
68 pdtlb(addr);
69 pitlb(addr);
70 purge_tlb_end();
71}
72
73void __flush_tlb_range(unsigned long sid,
74 unsigned long start, unsigned long end);
75
76#define flush_tlb_range(vma,start,end) __flush_tlb_range((vma)->vm_mm->context,start,end)
77
78#define flush_tlb_kernel_range(start, end) __flush_tlb_range(0,start,end)
79
80#endif
81