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| author | Kyle McMartin <kyle@hera.kernel.org> | 2007-02-18 19:35:45 (GMT) |
|---|---|---|
| committer | Kyle McMartin <kyle@hera.kernel.org> | 2007-02-18 19:35:45 (GMT) |
| commit | 04532c4f55ef4b577c59744f789d5b1add435503 (patch) | |
| tree | b38fc98b2729b1edc12796bd996e88eddbddc226 /include/asm-parisc/tlbflush.h | |
| parent | f6744bdd7346dcdf94b9a7ac6fb820693b2724cd (diff) | |
| download | linux-fsl-qoriq-04532c4f55ef4b577c59744f789d5b1add435503.tar.xz | |
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 ae2d120..3313da9 100644 --- a/include/asm-parisc/tlbflush.h +++ b/include/asm-parisc/tlbflush.h @@ -39,19 +39,21 @@ extern void flush_tlb_all_local(void *); * etc. do not do that). */ -static inline void __flush_tlb_mm(void *mmv) -{ - struct mm_struct *mm = (struct mm_struct *)mmv; - if (mm == current->active_mm) - load_context(mm->context); -} - static inline void flush_tlb_mm(struct mm_struct *mm) { - if (mm->context != 0) - free_sid(mm->context); - mm->context = alloc_sid(); - on_each_cpu(__flush_tlb_mm, mm, 1, 1); + BUG_ON(mm == &init_mm); /* Should never happen */ + +#ifdef CONFIG_SMP + flush_tlb_all(); +#else + if (mm) { + if (mm->context != 0) + free_sid(mm->context); + mm->context = alloc_sid(); + if (mm == current->active_mm) + load_context(mm->context); + } +#endif } extern __inline__ void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end) |