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-rw-r--r--arch/x86/kernel/setup.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index d90c659b70e9..61335306696a 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1069,15 +1069,15 @@ void __init setup_arch(char **cmdline_p)
prefill_possible_map();
#ifdef CONFIG_X86_64
- /* need to wait for nr_cpu_ids settle down */
- if (nr_irqs == NR_IRQS)
- nr_irqs = 32 * nr_cpu_ids + 224;
init_cpu_to_node();
#endif
init_apic_mappings();
ioapic_init_mappings();
+ /* need to wait for io_apic is mapped */
+ nr_irqs = probe_nr_irqs();
+
kvm_guest_init();
e820_reserve_resources();