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x86: preset apic clockevents multiplicator 

The check for an unitialized clock event device triggers, when the local
apic timer is registered as a dummy clock event device for broadcasting.
Preset the multiplicator to avoid a false positive.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner 2008-01-30 13:33:04 +01:00 committed by Ingo Molnar
parent c2b84b30b8
commit 9d09951da9
2 changed files with 6 additions and 2 deletions
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4
arch/x86/kernel/apic_32.c
View File

@ -377,8 +377,10 @@ void __init setup_boot_APIC_clock(void)
*/ */
if (local_apic_timer_disabled) { if (local_apic_timer_disabled) {
/* No broadcast on UP ! */ /* No broadcast on UP ! */
if (num_possible_cpus() > 1) if (num_possible_cpus() > 1) {
lapic_clockevent.mult = 1;
setup_APIC_timer(); setup_APIC_timer();
}
return; return;
} }

4
arch/x86/kernel/apic_64.c
View File

@ -375,8 +375,10 @@ void __init setup_boot_APIC_clock(void)
if (disable_apic_timer) { if (disable_apic_timer) {
printk(KERN_INFO "Disabling APIC timer\n"); printk(KERN_INFO "Disabling APIC timer\n");
/* No broadcast on UP ! */ /* No broadcast on UP ! */
if (num_possible_cpus() > 1) if (num_possible_cpus() > 1) {
lapic_clockevent.mult = 1;
setup_APIC_timer(); setup_APIC_timer();
}
return; return;
} }