Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index e7f92a4..1b2887b 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -597,6 +597,11 @@
void smp_send_reschedule(int cpu)
{
+ if (unlikely(cpu_is_offline(cpu))) {
+ pr_warn("%s: attempt to send resched-IPI to an offline cpu.\n",
+ __func__);
+ return;
+ }
smp_cross_call(cpumask_of(cpu), IPI_RESCHEDULE);
}