x86: set_cyc2ns_scale() remove prev scale
Peter Zijlstra pointed out that it's unused.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/tsc_64.c b/arch/x86/kernel/tsc_64.c
index d3bebaa..ceeba01 100644
--- a/arch/x86/kernel/tsc_64.c
+++ b/arch/x86/kernel/tsc_64.c
@@ -44,8 +44,8 @@
static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
{
- unsigned long flags, prev_scale, *scale;
unsigned long long tsc_now, ns_now;
+ unsigned long flags, *scale;
local_irq_save(flags);
sched_clock_idle_sleep_event();
@@ -55,7 +55,6 @@
rdtscll(tsc_now);
ns_now = __cycles_2_ns(tsc_now);
- prev_scale = *scale;
if (cpu_khz)
*scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz;