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Commit 592ac93a authored by Randolph Chung's avatar Randolph Chung Committed by Kyle McMartin
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[PARISC] Optimize TLB flush on SMP systems 



Signed-off-by: default avatarRandolph Chung <tausq@debian.org>
Signed-off-by: default avatarKyle McMartin <kyle@parisc-linux.org>
parent e7b3ca08

include/asm-parisc/tlbflush.h

+11 −13
Original line number Diff line number Diff line
@@ -39,21 +39,19 @@ extern void flush_tlb_all_local(void *); 
 * etc. do not do that).

 */



static inline void flush_tlb_mm(struct mm_struct *mm)

static inline void __flush_tlb_mm(void *mmv)

{

	BUG_ON(mm == &init_mm); /* Should never happen */

	struct mm_struct *mm = (struct mm_struct *)mmv;

	if (mm == current->active_mm)

		load_context(mm->context);

}



#ifdef CONFIG_SMP

	flush_tlb_all();

#else

	if (mm) {

static inline void flush_tlb_mm(struct mm_struct *mm)

{

	if (mm->context != 0)

		free_sid(mm->context);

	mm->context = alloc_sid();

		if (mm == current->active_mm)

			load_context(mm->context);

	}

#endif

	on_each_cpu(__flush_tlb_mm, mm, 1, 1);

}



extern __inline__ void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end)