1 files changed, 5 insertions, 1 deletions

diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index 77c992847094..93eab6146079 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -158,10 +158,14 @@ static irqreturn_t ipi_handler(int irq, void *dev_instance)
                         kfree(msg);
                         break;
                 case BFIN_IPI_CALL_FUNC:
+                        spin_unlock(&msg_queue->lock);
                         ipi_call_function(cpu, msg);
+                        spin_lock(&msg_queue->lock);
                         break;
                 case BFIN_IPI_CPU_STOP:
+                        spin_unlock(&msg_queue->lock);
                         ipi_cpu_stop(cpu);
+                        spin_lock(&msg_queue->lock);
                         kfree(msg);
                         break;
                 default:
@@ -457,7 +461,7 @@ void smp_icache_flush_range_others(unsigned long start, unsigned long end)
         smp_flush_data.start = start;
         smp_flush_data.end = end;
 
-        if (smp_call_function(&ipi_flush_icache, &smp_flush_data, 1))
+        if (smp_call_function(&ipi_flush_icache, &smp_flush_data, 0))
                 printk(KERN_WARNING "SMP: failed to run I-cache flush request on other CPUs\n");
 }
 EXPORT_SYMBOL_GPL(smp_icache_flush_range_others);