commit 52a8968ce95da8469ba0a9b3e4010fe31caf77a3
author Peter Zijlstra <peterz@infradead.org> Mon Aug 25 13:35:06 2008 +0200
committer Ingo Molnar <mingo@elte.hu> Mon Aug 25 14:39:19 2008 +0200
tree 6acffeb98a2f598be29e559a75dbfe5deb5864b3
parent f58899bb0224741eb0409ada67ecafe90ba137ef

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: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/tsc.c

diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 9bed5ca..8e786b0 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -314,7 +314,7 @@
 			mark_tsc_unstable("cpufreq changes");
 	}
 
-	set_cyc2ns_scale(tsc_khz_ref, freq->cpu);
+	set_cyc2ns_scale(tsc_khz, freq->cpu);
 
 	return 0;
 }