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-rw-r--r--arch/x86/kernel/setup.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index b2c97874ec0f..0fa6790c1dd3 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1073,6 +1073,7 @@ void __init setup_arch(char **cmdline_p)
#endif
prefill_possible_map();
+
#ifdef CONFIG_X86_64
init_cpu_to_node();
#endif
@@ -1080,6 +1081,9 @@ void __init setup_arch(char **cmdline_p)
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();
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