1 files changed, 16 insertions, 13 deletions

diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index a96c08cd6125..ef5640b9e218 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -319,17 +319,7 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
 	 */
 	platform_secondary_init(cpu);
 
-	/*
-	 * Enable local interrupts.
-	 */
 	notify_cpu_starting(cpu);
-	local_irq_enable();
-	local_fiq_enable();
-
-	/*
-	 * Setup the percpu timer for this CPU.
-	 */
-	percpu_timer_setup();
 
 	calibrate_delay();
 
@@ -341,10 +331,23 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
 	 * before we continue.
 	 */
 	set_cpu_online(cpu, true);
+
+	/*
+	 * Setup the percpu timer for this CPU.
+	 */
+	percpu_timer_setup();
+
 	while (!cpu_active(cpu))
 		cpu_relax();
 
 	/*
+	 * cpu_active bit is set, so it's safe to enalbe interrupts
+	 * now.
+	 */
+	local_irq_enable();
+	local_fiq_enable();
+
+	/*
 	 * OK, it's off to the idle thread for us
 	 */
 	cpu_idle();
@@ -527,7 +530,7 @@ static void percpu_timer_stop(void)
 }
 #endif
 
-static DEFINE_SPINLOCK(stop_lock);
+static DEFINE_RAW_SPINLOCK(stop_lock);
 
 /*
  * ipi_cpu_stop - handle IPI from smp_send_stop()
@@ -536,10 +539,10 @@ static void ipi_cpu_stop(unsigned int cpu)
 {
 	if (system_state == SYSTEM_BOOTING ||
 	    system_state == SYSTEM_RUNNING) {
-		spin_lock(&stop_lock);
+		raw_spin_lock(&stop_lock);
 		printk(KERN_CRIT "CPU%u: stopping\n", cpu);
 		dump_stack();
-		spin_unlock(&stop_lock);
+		raw_spin_unlock(&stop_lock);
 	}
 
 	set_cpu_online(cpu, false);