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Diffstat (limited to 'arch/x86/kernel/apic/io_apic.c')
-rw-r--r--arch/x86/kernel/apic/io_apic.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index a6c64aaddf9a..c265593ec2cd 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1356,6 +1356,16 @@ static void setup_ioapic_irq(unsigned int irq, struct irq_cfg *cfg,
if (!IO_APIC_IRQ(irq))
return;
+ /*
+ * For legacy irqs, cfg->domain starts with cpu 0. Now that IO-APIC
+ * can handle this irq and the apic driver is finialized at this point,
+ * update the cfg->domain.
+ */
+ if (irq < legacy_pic->nr_legacy_irqs &&
+ cpumask_equal(cfg->domain, cpumask_of(0)))
+ apic->vector_allocation_domain(0, cfg->domain,
+ apic->target_cpus());
+
if (assign_irq_vector(irq, cfg, apic->target_cpus()))
return;