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| author | Alok Kataria <akataria@vmware.com> | 2008-07-01 11:43:36 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-09 07:43:28 +0200 |
| commit | e93ef949fd9a3f237aedfb8e64414b28980530b8 (patch) | |
| tree | 4856aa8bf0e02ed1692fe7b4f545c52cdc1705a3 /arch/x86/kernel | |
| parent | 8fbbc4b45ce3e4c0eeb15004c79c72b6896a79c2 (diff) | |
| download | talos-obmc-linux-e93ef949fd9a3f237aedfb8e64414b28980530b8.tar.gz talos-obmc-linux-e93ef949fd9a3f237aedfb8e64414b28980530b8.zip | |
x86: rename paravirtualized TSC functions
Rename the paravirtualized calculate_cpu_khz to calibrate_tsc.
In all cases, we actually calibrate_tsc and use that as the cpu_khz value.
Signed-off-by: Alok N Kataria <akataria@vmware.com>
Signed-off-by: Dan Hecht <dhecht@vmware.com>
Cc: Dan Hecht <dhecht@vmware.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/paravirt.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/tsc.c | 18 | ||||
| -rw-r--r-- | arch/x86/kernel/vmi_32.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/vmiclock_32.c | 4 |
4 files changed, 11 insertions, 15 deletions
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index e7e5652f65bc..e0f571d58c19 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -285,7 +285,7 @@ struct pv_time_ops pv_time_ops = { .get_wallclock = native_get_wallclock, .set_wallclock = native_set_wallclock, .sched_clock = native_sched_clock, - .get_cpu_khz = native_calculate_cpu_khz, + .get_tsc_khz = native_calibrate_tsc, }; struct pv_irq_ops pv_irq_ops = { diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 94c16bdd5696..3c36f92160c9 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -123,9 +123,9 @@ static u64 __init tsc_read_refs(u64 *pm, u64 *hpet) } /** - * tsc_calibrate - calibrate the tsc on boot + * native_calibrate_tsc - calibrate the tsc on boot */ -static unsigned int __init tsc_calibrate(void) +unsigned long native_calibrate_tsc(void) { unsigned long flags; u64 tsc1, tsc2, tr1, tr2, delta, pm1, pm2, hpet1, hpet2; @@ -195,10 +195,6 @@ out: return tsc_khz_val; } -unsigned long native_calculate_cpu_khz(void) -{ - return tsc_calibrate(); -} #ifdef CONFIG_X86_32 /* Only called from the Powernow K7 cpu freq driver */ @@ -208,8 +204,8 @@ int recalibrate_cpu_khz(void) unsigned long cpu_khz_old = cpu_khz; if (cpu_has_tsc) { - cpu_khz = calculate_cpu_khz(); - tsc_khz = cpu_khz; + tsc_khz = calibrate_tsc(); + cpu_khz = tsc_khz; cpu_data(0).loops_per_jiffy = cpufreq_scale(cpu_data(0).loops_per_jiffy, cpu_khz_old, cpu_khz); @@ -487,10 +483,10 @@ void __init tsc_init(void) if (!cpu_has_tsc) return; - cpu_khz = calculate_cpu_khz(); - tsc_khz = cpu_khz; + tsc_khz = calibrate_tsc(); + cpu_khz = tsc_khz; - if (!cpu_khz) { + if (!tsc_khz) { mark_tsc_unstable("could not calculate TSC khz"); return; } diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c index 946bf13b44ab..b15346092b7b 100644 --- a/arch/x86/kernel/vmi_32.c +++ b/arch/x86/kernel/vmi_32.c @@ -932,7 +932,7 @@ static inline int __init activate_vmi(void) pv_apic_ops.setup_secondary_clock = vmi_time_ap_init; #endif pv_time_ops.sched_clock = vmi_sched_clock; - pv_time_ops.get_cpu_khz = vmi_cpu_khz; + pv_time_ops.get_tsc_khz = vmi_tsc_khz; /* We have true wallclock functions; disable CMOS clock sync */ no_sync_cmos_clock = 1; diff --git a/arch/x86/kernel/vmiclock_32.c b/arch/x86/kernel/vmiclock_32.c index ba7d19e102b1..6953859fe289 100644 --- a/arch/x86/kernel/vmiclock_32.c +++ b/arch/x86/kernel/vmiclock_32.c @@ -69,8 +69,8 @@ unsigned long long vmi_sched_clock(void) return cycles_2_ns(vmi_timer_ops.get_cycle_counter(VMI_CYCLES_AVAILABLE)); } -/* paravirt_ops.get_cpu_khz = vmi_cpu_khz */ -unsigned long vmi_cpu_khz(void) +/* paravirt_ops.get_tsc_khz = vmi_tsc_khz */ +unsigned long vmi_tsc_khz(void) { unsigned long long khz; khz = vmi_timer_ops.get_cycle_frequency(); |
