diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/apic_64.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index f74b1c20e5c..40938ef99dc 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -826,6 +826,9 @@ static void __init calibrate_APIC_clock(void) unsigned apic, apic_start; unsigned long tsc, tsc_start; int result; + + local_irq_disable(); + /* * Put whatever arbitrary (but long enough) timeout * value into the APIC clock, we just want to get the @@ -855,6 +858,9 @@ static void __init calibrate_APIC_clock(void) result = (apic_start - apic) * 1000L * tsc_khz / (tsc - tsc_start); } + + local_irq_enable(); + printk(KERN_DEBUG "APIC timer calibration result %d\n", result); printk(KERN_INFO "Detected %d.%03d MHz APIC timer.\n", @@ -873,22 +879,16 @@ void __init setup_boot_APIC_clock (void) printk(KERN_INFO "Using local APIC timer interrupts.\n"); using_apic_timer = 1; - local_irq_disable(); - calibrate_APIC_clock(); /* * Now set up the timer for real. */ setup_APIC_timer(); - - local_irq_enable(); } void __cpuinit setup_secondary_APIC_clock(void) { - local_irq_disable(); /* FIXME: Do we need this? --RR */ setup_APIC_timer(); - local_irq_enable(); } void disable_APIC_timer(void) |