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-rw-r--r--arch/arm/mach-realview/platsmp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
index 709a9b1ac634..fce3596f9950 100644
--- a/arch/arm/mach-realview/platsmp.c
+++ b/arch/arm/mach-realview/platsmp.c
@@ -59,6 +59,7 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
* pen, then head off into the C entry point
*/
pen_release = -1;
+ smp_wmb();
/*
* Synchronise with the boot thread.
@@ -102,6 +103,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
timeout = jiffies + (1 * HZ);
while (time_before(jiffies, timeout)) {
+ smp_rmb();
if (pen_release == -1)
break;