From b64f5e8d5bf61818a3381ae5f4dd41cc6e22b60c Mon Sep 17 00:00:00 2001
From: Steven Miao <realmz6@gmail.com>
Date: Tue, 4 Sep 2012 16:57:14 +0800
Subject: [PATCH] --- yaml --- r: 332298 b: refs/heads/master c:
 6594b982f6d5f957c8d72de7658bf8e240c7dfca h: refs/heads/master v: v3

---
 [refs]                                | 2 +-
 trunk/arch/blackfin/mach-common/smp.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index 47dcc14f27a7..a1a4d5d69093 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4087af4c7f978fe574378e5d1e69db88281e60ce
+refs/heads/master: 6594b982f6d5f957c8d72de7658bf8e240c7dfca
diff --git a/trunk/arch/blackfin/mach-common/smp.c b/trunk/arch/blackfin/mach-common/smp.c
index a40151306b77..bb61ae4986e4 100644
--- a/trunk/arch/blackfin/mach-common/smp.c
+++ b/trunk/arch/blackfin/mach-common/smp.c
@@ -146,7 +146,7 @@ static irqreturn_t ipi_handler_int1(int irq, void *dev_instance)
 	platform_clear_ipi(cpu, IRQ_SUPPLE_1);
 
 	bfin_ipi_data = &__get_cpu_var(bfin_ipi);
-
+	smp_mb();
 	while ((pending = xchg(&bfin_ipi_data->bits, 0)) != 0) {
 		msg = 0;
 		do {
@@ -195,7 +195,7 @@ void send_ipi(const struct cpumask *cpumask, enum ipi_message_type msg)
 	unsigned long flags;
 
 	local_irq_save(flags);
-
+	smp_mb();
 	for_each_cpu(cpu, cpumask) {
 		bfin_ipi_data = &per_cpu(bfin_ipi, cpu);
 		smp_mb();