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-rw-r--r--arch/x86/kernel/apic/apic.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 3f838d53739..78218135b48 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1389,6 +1389,14 @@ void __cpuinit end_local_APIC_setup(void)
setup_apic_nmi_watchdog(NULL);
apic_pm_activate();
+
+ /*
+ * Now that local APIC setup is completed for BP, configure the fault
+ * handling for interrupt remapping.
+ */
+ if (!smp_processor_id() && intr_remapping_enabled)
+ enable_drhd_fault_handling();
+
}
#ifdef CONFIG_X86_X2APIC