diff options
Diffstat (limited to 'arch/i386/kernel/apic.c')
| -rw-r--r-- | arch/i386/kernel/apic.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index 7a2c9cbdb511..2383bcf18c5d 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -493,8 +493,15 @@ void __init setup_boot_APIC_clock(void) /* No broadcast on UP ! */ if (num_possible_cpus() == 1) return; - } else - lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY; + } else { + /* + * If nmi_watchdog is set to IO_APIC, we need the + * PIT/HPET going. Otherwise register lapic as a dummy + * device. + */ + if (nmi_watchdog != NMI_IO_APIC) + lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY; + } /* Setup the lapic or request the broadcast */ setup_APIC_timer(); |