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Diffstat (limited to 'arch/x86/kernel/apic')
-rw-r--r--arch/x86/kernel/apic/io_apic.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index e5e00f509f03..f4dc2462a1ac 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1507,7 +1507,10 @@ void __init enable_IO_APIC(void)
int i8259_apic, i8259_pin;
int apic, pin;
- if (!nr_legacy_irqs())
+ if (skip_ioapic_setup)
+ nr_ioapics = 0;
+
+ if (!nr_legacy_irqs() || !nr_ioapics)
return;
for_each_ioapic_pin(apic, pin) {
@@ -2373,9 +2376,9 @@ void __init setup_IO_APIC(void)
{
int ioapic;
- /*
- * calling enable_IO_APIC() is moved to setup_local_APIC for BP
- */
+ if (skip_ioapic_setup || !nr_ioapics)
+ return;
+
io_apic_irqs = nr_legacy_irqs() ? ~PIC_IRQS : ~0UL;
apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n");