diff options
Diffstat (limited to 'include/asm-ia64/tlbflush.h')
-rw-r--r-- | include/asm-ia64/tlbflush.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/include/asm-ia64/tlbflush.h b/include/asm-ia64/tlbflush.h deleted file mode 100644 index 3be25dfed164..000000000000 --- a/include/asm-ia64/tlbflush.h +++ /dev/null | |||
@@ -1,102 +0,0 @@ | |||
1 | #ifndef _ASM_IA64_TLBFLUSH_H | ||
2 | #define _ASM_IA64_TLBFLUSH_H | ||
3 | |||
4 | /* | ||
5 | * Copyright (C) 2002 Hewlett-Packard Co | ||
6 | * David Mosberger-Tang <davidm@hpl.hp.com> | ||
7 | */ | ||
8 | |||
9 | |||
10 | #include <linux/mm.h> | ||
11 | |||
12 | #include <asm/intrinsics.h> | ||
13 | #include <asm/mmu_context.h> | ||
14 | #include <asm/page.h> | ||
15 | |||
16 | /* | ||
17 | * Now for some TLB flushing routines. This is the kind of stuff that | ||
18 | * can be very expensive, so try to avoid them whenever possible. | ||
19 | */ | ||
20 | extern void setup_ptcg_sem(int max_purges, int from_palo); | ||
21 | |||
22 | /* | ||
23 | * Flush everything (kernel mapping may also have changed due to | ||
24 | * vmalloc/vfree). | ||
25 | */ | ||
26 | extern void local_flush_tlb_all (void); | ||
27 | |||
28 | #ifdef CONFIG_SMP | ||
29 | extern void smp_flush_tlb_all (void); | ||
30 | extern void smp_flush_tlb_mm (struct mm_struct *mm); | ||
31 | extern void smp_flush_tlb_cpumask (cpumask_t xcpumask); | ||
32 | # define flush_tlb_all() smp_flush_tlb_all() | ||
33 | #else | ||
34 | # define flush_tlb_all() local_flush_tlb_all() | ||
35 | # define smp_flush_tlb_cpumask(m) local_flush_tlb_all() | ||
36 | #endif | ||
37 | |||
38 | static inline void | ||
39 | local_finish_flush_tlb_mm (struct mm_struct *mm) | ||
40 | { | ||
41 | if (mm == current->active_mm) | ||
42 | activate_context(mm); | ||
43 | } | ||
44 | |||
45 | /* | ||
46 | * Flush a specified user mapping. This is called, e.g., as a result of fork() and | ||
47 | * exit(). fork() ends up here because the copy-on-write mechanism needs to write-protect | ||
48 | * the PTEs of the parent task. | ||
49 | */ | ||
50 | static inline void | ||
51 | flush_tlb_mm (struct mm_struct *mm) | ||
52 | { | ||
53 | if (!mm) | ||
54 | return; | ||
55 | |||
56 | set_bit(mm->context, ia64_ctx.flushmap); | ||
57 | mm->context = 0; | ||
58 | |||
59 | if (atomic_read(&mm->mm_users) == 0) | ||
60 | return; /* happens as a result of exit_mmap() */ | ||
61 | |||
62 | #ifdef CONFIG_SMP | ||
63 | smp_flush_tlb_mm(mm); | ||
64 | #else | ||
65 | local_finish_flush_tlb_mm(mm); | ||
66 | #endif | ||
67 | } | ||
68 | |||
69 | extern void flush_tlb_range (struct vm_area_struct *vma, unsigned long start, unsigned long end); | ||
70 | |||
71 | /* | ||
72 | * Page-granular tlb flush. | ||
73 | */ | ||
74 | static inline void | ||
75 | flush_tlb_page (struct vm_area_struct *vma, unsigned long addr) | ||
76 | { | ||
77 | #ifdef CONFIG_SMP | ||
78 | flush_tlb_range(vma, (addr & PAGE_MASK), (addr & PAGE_MASK) + PAGE_SIZE); | ||
79 | #else | ||
80 | if (vma->vm_mm == current->active_mm) | ||
81 | ia64_ptcl(addr, (PAGE_SHIFT << 2)); | ||
82 | else | ||
83 | vma->vm_mm->context = 0; | ||
84 | #endif | ||
85 | } | ||
86 | |||
87 | /* | ||
88 | * Flush the local TLB. Invoked from another cpu using an IPI. | ||
89 | */ | ||
90 | #ifdef CONFIG_SMP | ||
91 | void smp_local_flush_tlb(void); | ||
92 | #else | ||
93 | #define smp_local_flush_tlb() | ||
94 | #endif | ||
95 | |||
96 | static inline void flush_tlb_kernel_range(unsigned long start, | ||
97 | unsigned long end) | ||
98 | { | ||
99 | flush_tlb_all(); /* XXX fix me */ | ||
100 | } | ||
101 | |||
102 | #endif /* _ASM_IA64_TLBFLUSH_H */ | ||