diff options
| -rw-r--r-- | arch/arm/mach-realview/platsmp.c | 2 |
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; |