diff options
author | Kyle McMartin <kyle@hera.kernel.org> | 2007-02-18 14:35:45 -0500 |
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committer | Kyle McMartin <kyle@hera.kernel.org> | 2007-02-18 14:35:45 -0500 |
commit | 04532c4f55ef4b577c59744f789d5b1add435503 (patch) | |
tree | b38fc98b2729b1edc12796bd996e88eddbddc226 /include/asm-parisc/tlbflush.h | |
parent | f6744bdd7346dcdf94b9a7ac6fb820693b2724cd (diff) |
Revert "[PARISC] Optimize TLB flush on SMP systems"
This reverts commit 592ac93a607109e0643da6c23ae07ac749e973b1
which causes SMP machines with maxcpus > 1 to fail to boot...
Diffstat (limited to 'include/asm-parisc/tlbflush.h')
-rw-r--r-- | include/asm-parisc/tlbflush.h | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/include/asm-parisc/tlbflush.h b/include/asm-parisc/tlbflush.h index ae2d12008546..3313da9ea00f 100644 --- a/include/asm-parisc/tlbflush.h +++ b/include/asm-parisc/tlbflush.h | |||
@@ -39,19 +39,21 @@ extern void flush_tlb_all_local(void *); | |||
39 | * etc. do not do that). | 39 | * etc. do not do that). |
40 | */ | 40 | */ |
41 | 41 | ||
42 | static inline void __flush_tlb_mm(void *mmv) | ||
43 | { | ||
44 | struct mm_struct *mm = (struct mm_struct *)mmv; | ||
45 | if (mm == current->active_mm) | ||
46 | load_context(mm->context); | ||
47 | } | ||
48 | |||
49 | static inline void flush_tlb_mm(struct mm_struct *mm) | 42 | static inline void flush_tlb_mm(struct mm_struct *mm) |
50 | { | 43 | { |
51 | if (mm->context != 0) | 44 | BUG_ON(mm == &init_mm); /* Should never happen */ |
52 | free_sid(mm->context); | 45 | |
53 | mm->context = alloc_sid(); | 46 | #ifdef CONFIG_SMP |
54 | on_each_cpu(__flush_tlb_mm, mm, 1, 1); | 47 | flush_tlb_all(); |
48 | #else | ||
49 | if (mm) { | ||
50 | if (mm->context != 0) | ||
51 | free_sid(mm->context); | ||
52 | mm->context = alloc_sid(); | ||
53 | if (mm == current->active_mm) | ||
54 | load_context(mm->context); | ||
55 | } | ||
56 | #endif | ||
55 | } | 57 | } |
56 | 58 | ||
57 | extern __inline__ void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end) | 59 | extern __inline__ void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end) |