powerpc/pseries: Avoid harmless preempt warning (adde8715) · Commits · 戴 / test

arch/powerpc/platforms/pseries/lpar.c

+9 −1

Original line number	Diff line number	Diff line
		@@ -636,8 +636,16 @@ static const struct proc_ops vcpudispatch_stats_freq_proc_ops = {

		static int __init vcpudispatch_stats_procfs_init(void)
		{
		if (!lppaca_shared_proc(get_lppaca()))
		/*
		* Avoid smp_processor_id while preemptible. All CPUs should have
		* the same value for lppaca_shared_proc.
		*/
		preempt_disable();
		if (!lppaca_shared_proc(get_lppaca())) {
		preempt_enable();
		return 0;
		}
		preempt_enable();

		if (!proc_create("powerpc/vcpudispatch_stats", 0600, NULL,
		&vcpudispatch_stats_proc_ops))