diff options
Diffstat (limited to 'arch/x86/kernel/apic/io_apic.c')
| -rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index e4e0ddcb154..eb2789c3f72 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -36,6 +36,7 @@ #include <linux/freezer.h> #include <linux/kthread.h> #include <linux/jiffies.h> /* time_after() */ +#include <linux/slab.h> #ifdef CONFIG_ACPI #include <acpi/acpi_bus.h> #endif @@ -1268,6 +1269,14 @@ void __setup_vector_irq(int cpu) /* Mark the inuse vectors */ for_each_irq_desc(irq, desc) { cfg = desc->chip_data; + + /* + * If it is a legacy IRQ handled by the legacy PIC, this cpu + * will be part of the irq_cfg's domain. + */ + if (irq < legacy_pic->nr_legacy_irqs && !IO_APIC_IRQ(irq)) + cpumask_set_cpu(cpu, cfg->domain); + if (!cpumask_test_cpu(cpu, cfg->domain)) continue; vector = cfg->vector; @@ -2536,6 +2545,9 @@ void irq_force_complete_move(int irq) struct irq_desc *desc = irq_to_desc(irq); struct irq_cfg *cfg = desc->chip_data; + if (!cfg) + return; + __irq_complete_move(&desc, cfg->vector); } #else |