Commit f6940101 authored Mar 10, 2008 by Gautham R Shenoy Committed by Ingo Molnar Apr 17, 2008

x86: Don't send RESCHEDULE_VECTOR to offlined cpus



In the x86 native_smp_send_reschedule_function(), don't send the IPI if the
cpu has gone offline already. Warn nevertheless!!

Signed-off-by: Gautham R Shenoy <ego@in.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 12db648c

arch/x86/kernel/smp.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -118,7 +118,10 @@
		*/
		static void native_smp_send_reschedule(int cpu)
		{
		WARN_ON(cpu_is_offline(cpu));
		if (unlikely(cpu_is_offline(cpu))) {
		WARN_ON(1);
		return;
		}
		send_IPI_mask(cpumask_of_cpu(cpu), RESCHEDULE_VECTOR);
		}

Admin message