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-rw-r--r--arch/x86/kernel/io_apic.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 7ca55669047..4e44fd1f466 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -2077,6 +2077,8 @@ static void __init setup_ioapic_ids_from_mpc(void)
reg_00.bits.ID = mp_ioapics[apic].mp_apicid;
spin_lock_irqsave(&ioapic_lock, flags);
+ io_apic_write(apic, 0, reg_00.raw);
+ spin_unlock_irqrestore(&ioapic_lock, flags);
/*
* Sanity check