From 69072f6e8e4bd4799d2a54e4ff8771d0657512c1 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 26 Mar 2008 04:25:00 -0700
Subject: [PATCH] [SPARC64]: Fix __get_cpu_var in preemption-enabled area.
Reported by Mariusz Kozlowski.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
arch/sparc64/mm/tlb.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/sparc64/mm/tlb.c b/arch/sparc64/mm/tlb.c
index 3f10fc921b00..a0f000b293de 100644
--- a/arch/sparc64/mm/tlb.c
+++ b/arch/sparc64/mm/tlb.c
@@ -23,10 +23,11 @@ DEFINE_PER_CPU(struct mmu_gather, mmu_gathers) = { 0, };
void flush_tlb_pending(void)
{
- struct mmu_gather *mp = &__get_cpu_var(mmu_gathers);
+ struct mmu_gather *mp;
preempt_disable();
+ mp = &__get_cpu_var(mmu_gathers);
if (mp->tlb_nr) {
flush_tsb_user(mp);
--
2.34.1