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-rw-r--r--arch/x86/kernel/apic/io_apic.c23
1 files changed, 4 insertions, 19 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 53243ca7816..75265ab83b1 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -140,27 +140,10 @@ static struct irq_pin_list *get_one_free_irq_2_pin(int node)
/* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
#ifdef CONFIG_SPARSE_IRQ
-static struct irq_cfg irq_cfgx[] = {
+static struct irq_cfg irq_cfgx[NR_IRQS_LEGACY];
#else
-static struct irq_cfg irq_cfgx[NR_IRQS] = {
+static struct irq_cfg irq_cfgx[NR_IRQS];
#endif
- [0] = { .vector = IRQ0_VECTOR, },
- [1] = { .vector = IRQ1_VECTOR, },
- [2] = { .vector = IRQ2_VECTOR, },
- [3] = { .vector = IRQ3_VECTOR, },
- [4] = { .vector = IRQ4_VECTOR, },
- [5] = { .vector = IRQ5_VECTOR, },
- [6] = { .vector = IRQ6_VECTOR, },
- [7] = { .vector = IRQ7_VECTOR, },
- [8] = { .vector = IRQ8_VECTOR, },
- [9] = { .vector = IRQ9_VECTOR, },
- [10] = { .vector = IRQ10_VECTOR, },
- [11] = { .vector = IRQ11_VECTOR, },
- [12] = { .vector = IRQ12_VECTOR, },
- [13] = { .vector = IRQ13_VECTOR, },
- [14] = { .vector = IRQ14_VECTOR, },
- [15] = { .vector = IRQ15_VECTOR, },
-};
void __init io_apic_disable_legacy(void)
{
@@ -181,6 +164,8 @@ int __init arch_early_irq_init(void)
node= cpu_to_node(boot_cpu_id);
for (i = 0; i < count; i++) {
+ if (i < nr_legacy_irqs)
+ cfg[i].vector = IRQ0_VECTOR + i;
desc = irq_to_desc(i);
desc->chip_data = &cfg[i];
zalloc_cpumask_var_node(&cfg[i].domain, GFP_NOWAIT, node);