Commit 52a8968c authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
Browse files

x86: fix cpufreq + sched_clock() regression 



I noticed that my sched_clock() was slow on a number of machine, so I
started looking at cpufreq.

The below seems to fix the problem for me.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent f58899bb

arch/x86/kernel/tsc.c

+1 −1
Original line number Diff line number Diff line
@@ -314,7 +314,7 @@ static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val, 
			mark_tsc_unstable("cpufreq changes");

	}



	set_cyc2ns_scale(tsc_khz_ref, freq->cpu);

	set_cyc2ns_scale(tsc_khz, freq->cpu);



	return 0;

}