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[Xen-changelog] [xen-unstable] x86, cpu hotplug: flush softirq work when

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Subject: [Xen-changelog] [xen-unstable] x86, cpu hotplug: flush softirq work when going offline
From: Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Tue, 16 Sep 2008 06:01:02 -0700
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# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1221212419 -3600
# Node ID 34aed15ba9df804ce037c5f691a9b11058fff2b9
# Parent  f125e481d8b65b81dd794d60a99fb0b823eaee2c
x86, cpu hotplug: flush softirq work when going offline

From: Haitao Shan <haitao.shan@xxxxxxxxx>
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
 xen/arch/x86/domain.c |    6 ++++++
 1 files changed, 6 insertions(+)

diff -r f125e481d8b6 -r 34aed15ba9df xen/arch/x86/domain.c
--- a/xen/arch/x86/domain.c     Fri Sep 12 10:34:50 2008 +0100
+++ b/xen/arch/x86/domain.c     Fri Sep 12 10:40:19 2008 +0100
@@ -86,6 +86,12 @@ static void default_idle(void)
 static void play_dead(void)
+    /*
+     * Flush pending softirqs if any. They can be queued up before this CPU
+     * was taken out of cpu_online_map in __cpu_disable().
+     */
+    do_softirq();
     /* This must be done before dead CPU ack */

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