Commit ae1b3d51 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

Make sure that the processor is actually online or die spectacularly. 



Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 1d40cfcd

arch/mips/kernel/smp.c

+5 −0
Original line number Diff line number Diff line
@@ -142,6 +142,11 @@ int smp_call_function (void (*func) (void *info), void *info, int retry, 
	int i, cpus = num_online_cpus() - 1;

	int cpu = smp_processor_id();



	/*

	 * Can die spectacularly if this CPU isn't yet marked online

	 */

	BUG_ON(!cpu_online(cpu));



	if (!cpus)

		return 0;