From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Sun, 14 Dec 2008 19:44:24 +0000 (+0000)
Subject: powerpc/mm: Add local_flush_tlb_mm() to SW loaded TLB implementations
X-Git-Tag: v3.0~11525^2~57
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1a37a3fd7f12d8f9f720cceec84e23152e116668;p=platform%2Fkernel%2Flinux-amlogic.git

powerpc/mm: Add local_flush_tlb_mm() to SW loaded TLB implementations

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>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

diff --git a/arch/powerpc/include/asm/tlbflush.h b/arch/powerpc/include/asm/tlbflush.h
index 93716a9..333c24b 100644
--- a/arch/powerpc/include/asm/tlbflush.h
+++ b/arch/powerpc/include/asm/tlbflush.h
@@ -40,6 +40,11 @@ extern void _tlbil_va(unsigned long address, unsigned int pid);
 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);