diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index e7e5652f65bcbc2933bb0fd4e752ffbc8f1f01a2..e0f571d58c19c0bfa4eeee39d89972ed2239f55f 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 94c16bdd5696aefe8d436245073b9f3bcf80032d..3c36f92160c99c1d157e27a341c3541d9a57bfcb 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 @@ static unsigned int __init tsc_calibrate(void) 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 946bf13b44abf9be798df19449edff6804efe43d..b15346092b7b72aa66e75621f4e31f72698ccbce 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 ba7d19e102b18f3cca6a49ce610c2bf7f2706394..6953859fe28965bc77a7db5955a0b3a0d143127e 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(); diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index e72cf0793fbed735ee14c1c2190d5dcc61703423..50dad44fb54234e2725c833fafd15b59b3db0283 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -607,7 +607,7 @@ static unsigned long lguest_get_wallclock(void) * what speed it runs at, or 0 if it's unusable as a reliable clock source. * This matches what we want here: if we return 0 from this function, the x86 * TSC clock will give up and not register itself. */ -static unsigned long lguest_cpu_khz(void) +static unsigned long lguest_tsc_khz(void) { return lguest_data.tsc_khz; } @@ -998,7 +998,7 @@ __init void lguest_init(void) /* time operations */ pv_time_ops.get_wallclock = lguest_get_wallclock; pv_time_ops.time_init = lguest_time_init; - pv_time_ops.get_cpu_khz = lguest_cpu_khz; + pv_time_ops.get_tsc_khz = lguest_tsc_khz; /* Now is a good time to look at the implementations of these functions * before returning to the rest of lguest_init(). */ diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 3b980831602c87e53d3232fe6471a829545cfca7..dcd4e51f2f16829e2e9519615606bc93e4a4cd1e 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1062,7 +1062,7 @@ static const struct pv_time_ops xen_time_ops __initdata = { .set_wallclock = xen_set_wallclock, .get_wallclock = xen_get_wallclock, - .get_cpu_khz = xen_cpu_khz, + .get_tsc_khz = xen_tsc_khz, .sched_clock = xen_sched_clock, }; diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index 64f0038b955828a56cae943ff8d6431b51ccb90c..685b77470fc3612c45549018303808cb5cf628f3 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -197,8 +197,8 @@ unsigned long long xen_sched_clock(void) } -/* Get the CPU speed from Xen */ -unsigned long xen_cpu_khz(void) +/* Get the TSC speed from Xen */ +unsigned long xen_tsc_khz(void) { u64 xen_khz = 1000000ULL << 32; const struct pvclock_vcpu_time_info *info = diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index 9a055592a3074243e0702715ce95c93ef74224dc..d852ddbb3448bf61245f4c16ecd88b8f14a2c5aa 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -32,7 +32,7 @@ void __init xen_build_dynamic_phys_to_machine(void); void xen_setup_timer(int cpu); void xen_setup_cpu_clockevents(void); -unsigned long xen_cpu_khz(void); +unsigned long xen_tsc_khz(void); void __init xen_time_init(void); unsigned long xen_get_wallclock(void); int xen_set_wallclock(unsigned long time); diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h index 6d8966f9d1906a5de529e83d606d80c138e6227a..ef5e8ec6a6ab7431f0c799a2b56a4cd5f18fe5e9 100644 --- a/include/asm-x86/paravirt.h +++ b/include/asm-x86/paravirt.h @@ -84,7 +84,7 @@ struct pv_time_ops { int (*set_wallclock)(unsigned long); unsigned long long (*sched_clock)(void); - unsigned long (*get_cpu_khz)(void); + unsigned long (*get_tsc_khz)(void); }; struct pv_cpu_ops { @@ -779,7 +779,7 @@ static inline unsigned long long paravirt_sched_clock(void) { return PVOP_CALL0(unsigned long long, pv_time_ops.sched_clock); } -#define calculate_cpu_khz() (pv_time_ops.get_cpu_khz()) +#define calibrate_tsc() (pv_time_ops.get_tsc_khz()) static inline unsigned long long paravirt_read_pmc(int counter) { diff --git a/include/asm-x86/timer.h b/include/asm-x86/timer.h index 4f6fcb050c11577d4c0640f26513674c1669f4d2..fb2a4ddddf3d083296d0248c759071f3cc450b3e 100644 --- a/include/asm-x86/timer.h +++ b/include/asm-x86/timer.h @@ -7,14 +7,14 @@ #define TICK_SIZE (tick_nsec / 1000) unsigned long long native_sched_clock(void); -unsigned long native_calculate_cpu_khz(void); +unsigned long native_calibrate_tsc(void); extern int timer_ack; extern int no_timer_check; extern int recalibrate_cpu_khz(void); #ifndef CONFIG_PARAVIRT -#define calculate_cpu_khz() native_calculate_cpu_khz() +#define calibrate_tsc() native_calibrate_tsc() #endif /* Accelerators for sched_clock() diff --git a/include/asm-x86/vmi_time.h b/include/asm-x86/vmi_time.h index 4781881303285f73455e64249a2d56a44cea3729..c3118c3851565c9ae7a87e0d98e355fbf3efdc7a 100644 --- a/include/asm-x86/vmi_time.h +++ b/include/asm-x86/vmi_time.h @@ -50,7 +50,7 @@ extern void __init vmi_time_init(void); extern unsigned long vmi_get_wallclock(void); extern int vmi_set_wallclock(unsigned long now); extern unsigned long long vmi_sched_clock(void); -extern unsigned long vmi_cpu_khz(void); +extern unsigned long vmi_tsc_khz(void); #ifdef CONFIG_X86_LOCAL_APIC extern void __devinit vmi_time_bsp_init(void);