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-rw-r--r--arch/i386/kernel/paravirt.c1
-rw-r--r--arch/i386/kernel/tsc.c2
-rw-r--r--arch/i386/kernel/vmi.c1
-rw-r--r--arch/i386/kernel/vmitime.c10
-rw-r--r--include/asm-i386/paravirt.h2
-rw-r--r--include/asm-i386/timer.h2
-rw-r--r--include/asm-i386/vmi_time.h1
7 files changed, 17 insertions, 2 deletions
diff --git a/arch/i386/kernel/paravirt.c b/arch/i386/kernel/paravirt.c
index 31bbe70d1e0..8352394d5ef 100644
--- a/arch/i386/kernel/paravirt.c
+++ b/arch/i386/kernel/paravirt.c
@@ -522,6 +522,7 @@ struct paravirt_ops paravirt_ops = {
.read_tsc = native_read_tsc,
.read_pmc = native_read_pmc,
.get_scheduled_cycles = native_read_tsc,
+ .get_cpu_khz = native_calculate_cpu_khz,
.load_tr_desc = native_load_tr_desc,
.set_ldt = native_set_ldt,
.load_gdt = native_load_gdt,
diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c
index c9c9d54c91f..59222a04234 100644
--- a/arch/i386/kernel/tsc.c
+++ b/arch/i386/kernel/tsc.c
@@ -117,7 +117,7 @@ unsigned long long sched_clock(void)
return cycles_2_ns(this_offset);
}
-static unsigned long calculate_cpu_khz(void)
+unsigned long native_calculate_cpu_khz(void)
{
unsigned long long start, end;
unsigned long count;
diff --git a/arch/i386/kernel/vmi.c b/arch/i386/kernel/vmi.c
index 556b9a6b736..acdfe69fb7a 100644
--- a/arch/i386/kernel/vmi.c
+++ b/arch/i386/kernel/vmi.c
@@ -874,6 +874,7 @@ static inline int __init activate_vmi(void)
paravirt_ops.setup_secondary_clock = vmi_timer_setup_secondary_alarm;
#endif
paravirt_ops.get_scheduled_cycles = vmi_get_sched_cycles;
+ paravirt_ops.get_cpu_khz = vmi_cpu_khz;
}
if (!disable_noidle)
para_fill(safe_halt, Halt);
diff --git a/arch/i386/kernel/vmitime.c b/arch/i386/kernel/vmitime.c
index f2aa8fab8c0..4bb218e2eb1 100644
--- a/arch/i386/kernel/vmitime.c
+++ b/arch/i386/kernel/vmitime.c
@@ -177,6 +177,15 @@ unsigned long long vmi_get_sched_cycles(void)
return read_available_cycles();
}
+unsigned long vmi_cpu_khz(void)
+{
+ unsigned long long khz;
+
+ khz = vmi_timer_ops.get_cycle_frequency();
+ (void)do_div(khz, 1000);
+ return khz;
+}
+
void __init vmi_time_init(void)
{
unsigned long long cycles_per_sec, cycles_per_msec;
@@ -206,7 +215,6 @@ void __init vmi_time_init(void)
(void)do_div(cycles_per_alarm, alarm_hz);
cycles_per_msec = cycles_per_sec;
(void)do_div(cycles_per_msec, 1000);
- cpu_khz = cycles_per_msec;
printk(KERN_WARNING "VMI timer cycles/sec = %llu ; cycles/jiffy = %llu ;"
"cycles/alarm = %llu\n", cycles_per_sec, cycles_per_jiffy,
diff --git a/include/asm-i386/paravirt.h b/include/asm-i386/paravirt.h
index a13230254f4..a35c8148065 100644
--- a/include/asm-i386/paravirt.h
+++ b/include/asm-i386/paravirt.h
@@ -95,6 +95,7 @@ struct paravirt_ops
u64 (*read_tsc)(void);
u64 (*read_pmc)(void);
u64 (*get_scheduled_cycles)(void);
+ unsigned long (*get_cpu_khz)(void);
void (*load_tr_desc)(void);
void (*load_gdt)(const struct Xgt_desc_struct *);
@@ -275,6 +276,7 @@ static inline void halt(void)
#define rdtscll(val) (val = paravirt_ops.read_tsc())
#define get_scheduled_cycles(val) (val = paravirt_ops.get_scheduled_cycles())
+#define calculate_cpu_khz() (paravirt_ops.get_cpu_khz())
#define write_tsc(val1,val2) wrmsr(0x10, val1, val2)
diff --git a/include/asm-i386/timer.h b/include/asm-i386/timer.h
index d1f7b4f575b..12dd67bf760 100644
--- a/include/asm-i386/timer.h
+++ b/include/asm-i386/timer.h
@@ -7,6 +7,7 @@
void setup_pit_timer(void);
unsigned long long native_sched_clock(void);
+unsigned long native_calculate_cpu_khz(void);
/* Modifiers for buggy PIT handling */
extern int pit_latch_buggy;
@@ -17,6 +18,7 @@ extern int recalibrate_cpu_khz(void);
#ifndef CONFIG_PARAVIRT
#define get_scheduled_cycles(val) rdtscll(val)
+#define calculate_cpu_khz() native_calculate_cpu_khz()
#endif
#endif
diff --git a/include/asm-i386/vmi_time.h b/include/asm-i386/vmi_time.h
index f59c35d3735..1f971eb7f71 100644
--- a/include/asm-i386/vmi_time.h
+++ b/include/asm-i386/vmi_time.h
@@ -50,6 +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_get_sched_cycles(void);
+extern unsigned long vmi_cpu_khz(void);
#ifdef CONFIG_X86_LOCAL_APIC
extern void __init vmi_timer_setup_boot_alarm(void);