# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1284395845 -3600
# Node ID a254d1236c1a52264beb0253352ef64d65a98eb3
# Parent  f0a1229cb0a6505f3240ac59a3bb6ade2acfa1a2
Fix serial interrupt's destination

Lowest Priority can't use with invalid cpu_mask, and the default value
of CPU_MASK_ALL may cover CPU which wasn't online.

From: "Yang, Sheng" <sheng.yang@intel.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

--- a/xen/arch/x86/smpboot.c
+++ b/xen/arch/x86/smpboot.c
@@ -1602,7 +1602,7 @@ void __init smp_intr_init(void)
 		irq_vector[irq] = FIRST_HIPRIORITY_VECTOR + seridx + 1;
 		per_cpu(vector_irq, cpu)[FIRST_HIPRIORITY_VECTOR + seridx + 1] = irq;
 		irq_cfg[irq].vector = FIRST_HIPRIORITY_VECTOR + seridx + 1;
-		irq_cfg[irq].domain = (cpumask_t)CPU_MASK_ALL;
+		irq_cfg[irq].domain = cpu_online_map;
 	}
 
 	/* IPI for cleanuping vectors after irq move */