Patchwork [4/9] powerpc: Add local_flush_tlb_mm() to SW loaded TLB implementations

login
register
mail settings
Submitter Benjamin Herrenschmidt
Date Dec. 8, 2008, 5:40 a.m.
Message ID <20081208054121.3EDD6DDE24@ozlabs.org>
Download mbox | patch
Permalink /patch/12683/
State Superseded, archived
Headers show

Comments

Benjamin Herrenschmidt - Dec. 8, 2008, 5:40 a.m.
This adds a local_flush_tlb_mm() call as a pre-requisite for some
SMP work for BookE processors

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

 arch/powerpc/include/asm/tlbflush.h |    5 +++++
 1 file changed, 5 insertions(+)

Patch

--- linux-work.orig/arch/powerpc/include/asm/tlbflush.h	2008-12-03 14:33:02.000000000 +1100
+++ linux-work/arch/powerpc/include/asm/tlbflush.h	2008-12-03 14:33:22.000000000 +1100
@@ -40,6 +40,11 @@  extern void _tlbil_va(unsigned long addr
 extern void _tlbia(void);
 #endif
 
+static inline void local_flush_tlb_mm(struct mm_struct *mm)
+{
+	_tlbil_pid(mm->context.id);
+}
+
 static inline void flush_tlb_mm(struct mm_struct *mm)
 {
 	_tlbil_pid(mm->context.id);