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[Xen-changelog] [xen-unstable] Fix serial interrupt's destination

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Subject:	[Xen-changelog] [xen-unstable] Fix serial interrupt's destination
From:	Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Wed, 15 Sep 2010 07:40:33 -0700
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# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# 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@xxxxxxxxx>
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
---
 xen/arch/x86/smpboot.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r f0a1229cb0a6 -r a254d1236c1a xen/arch/x86/smpboot.c
--- a/xen/arch/x86/smpboot.c    Mon Sep 13 17:35:03 2010 +0100
+++ b/xen/arch/x86/smpboot.c    Mon Sep 13 17:37:25 2010 +0100
@@ -1015,7 +1015,7 @@ 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].cpu_mask = (cpumask_t)CPU_MASK_ALL;
+        irq_cfg[irq].cpu_mask = cpu_online_map;
     }
 
     /* IPI for cleanuping vectors after irq move */

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