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Commit 1725037f authored by Ingo Molnar's avatar Ingo Molnar
Browse files

x86: set_cyc2ns_scale() remove prev scale 



Peter Zijlstra pointed out that it's unused.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent b447a468

arch/x86/kernel/tsc_32.c

+1 −2
Original line number Diff line number Diff line
@@ -84,8 +84,8 @@ DEFINE_PER_CPU(unsigned long, cyc2ns); 


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();
@@ -95,7 +95,6 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu) 
	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;

arch/x86/kernel/tsc_64.c

+1 −2
Original line number Diff line number Diff line
@@ -44,8 +44,8 @@ DEFINE_PER_CPU(unsigned long, cyc2ns); 


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 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu) 
	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;