diff options
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r-- | arch/x86/kernel/apic_64.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index f47bc49..f28ccb5 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -287,6 +287,20 @@ void disable_local_APIC(void) apic_write(APIC_SPIV, value); } +void lapic_shutdown(void) +{ + unsigned long flags; + + if (!cpu_has_apic) + return; + + local_irq_save(flags); + + disable_local_APIC(); + + local_irq_restore(flags); +} + /* * This is to verify that we're looking at a real local APIC. * Check these against your board if the CPUs aren't getting |