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-rw-r--r--arch/blackfin/mach-common/smp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index a40151306b77..bb61ae4986e4 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/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();