Revert "[PARISC] Optimize TLB flush on SMP systems"
This reverts commit 592ac93a607109e0643da6c23ae07ac749e973b1
which causes SMP machines with maxcpus > 1 to fail to boot...
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 @@
* 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)