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authorIngo Molnar <mingo@elte.hu>2008-03-31 08:52:15 -0400
committerIngo Molnar <mingo@elte.hu>2008-04-17 11:41:34 -0400
commit1725037f7232c1518b9be1832f5823b7c576c35c (patch)
tree0922330f0b87fe40bd0f0855147c512a191d424b
parentb447a468fcd130aa8951672b6115c673c274e888 (diff)
x86: set_cyc2ns_scale() remove prev scale
Peter Zijlstra pointed out that it's unused. Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/kernel/tsc_32.c3
-rw-r--r--arch/x86/kernel/tsc_64.c3
2 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/kernel/tsc_32.c b/arch/x86/kernel/tsc_32.c
index 68657d8526fb..3d7e6e9fa6c2 100644
--- a/arch/x86/kernel/tsc_32.c
+++ b/arch/x86/kernel/tsc_32.c
@@ -84,8 +84,8 @@ DEFINE_PER_CPU(unsigned long, cyc2ns);
84 84
85static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu) 85static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
86{ 86{
87 unsigned long flags, prev_scale, *scale;
88 unsigned long long tsc_now, ns_now; 87 unsigned long long tsc_now, ns_now;
88 unsigned long flags, *scale;
89 89
90 local_irq_save(flags); 90 local_irq_save(flags);
91 sched_clock_idle_sleep_event(); 91 sched_clock_idle_sleep_event();
@@ -95,7 +95,6 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
95 rdtscll(tsc_now); 95 rdtscll(tsc_now);
96 ns_now = __cycles_2_ns(tsc_now); 96 ns_now = __cycles_2_ns(tsc_now);
97 97
98 prev_scale = *scale;
99 if (cpu_khz) 98 if (cpu_khz)
100 *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz; 99 *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz;
101 100
diff --git a/arch/x86/kernel/tsc_64.c b/arch/x86/kernel/tsc_64.c
index d3bebaaad842..ceeba01e7f47 100644
--- a/arch/x86/kernel/tsc_64.c
+++ b/arch/x86/kernel/tsc_64.c
@@ -44,8 +44,8 @@ DEFINE_PER_CPU(unsigned long, cyc2ns);
44 44
45static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu) 45static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
46{ 46{
47 unsigned long flags, prev_scale, *scale;
48 unsigned long long tsc_now, ns_now; 47 unsigned long long tsc_now, ns_now;
48 unsigned long flags, *scale;
49 49
50 local_irq_save(flags); 50 local_irq_save(flags);
51 sched_clock_idle_sleep_event(); 51 sched_clock_idle_sleep_event();
@@ -55,7 +55,6 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
55 rdtscll(tsc_now); 55 rdtscll(tsc_now);
56 ns_now = __cycles_2_ns(tsc_now); 56 ns_now = __cycles_2_ns(tsc_now);
57 57
58 prev_scale = *scale;
59 if (cpu_khz) 58 if (cpu_khz)
60 *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz; 59 *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz;
61 60