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authorKyle McMartin <kyle@hera.kernel.org>2007-02-18 19:35:45 +0000
committerKyle McMartin <kyle@hera.kernel.org>2007-02-18 19:35:45 +0000
commit04532c4f55ef4b577c59744f789d5b1add435503 (patch)
treeb38fc98b2729b1edc12796bd996e88eddbddc226
parentf6744bdd7346dcdf94b9a7ac6fb820693b2724cd (diff)
downloadop-kernel-dev-04532c4f55ef4b577c59744f789d5b1add435503.zip
op-kernel-dev-04532c4f55ef4b577c59744f789d5b1add435503.tar.gz
Revert "[PARISC] Optimize TLB flush on SMP systems"
This reverts commit 592ac93a607109e0643da6c23ae07ac749e973b1 which causes SMP machines with maxcpus > 1 to fail to boot...
-rw-r--r--include/asm-parisc/tlbflush.h24
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)
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