28 lines
903 B
Diff
28 lines
903 B
Diff
# HG changeset patch
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# User Keir Fraser <keir.fraser@citrix.com>
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# Date 1221212419 -3600
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# Node ID 34aed15ba9df804ce037c5f691a9b11058fff2b9
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# Parent f125e481d8b65b81dd794d60a99fb0b823eaee2c
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x86, cpu hotplug: flush softirq work when going offline
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From: Haitao Shan <haitao.shan@intel.com>
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Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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Index: xen-3.3.1-testing/xen/arch/x86/domain.c
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===================================================================
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--- xen-3.3.1-testing.orig/xen/arch/x86/domain.c
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+++ xen-3.3.1-testing/xen/arch/x86/domain.c
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@@ -86,6 +86,12 @@ static void default_idle(void)
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static void play_dead(void)
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{
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+ /*
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+ * Flush pending softirqs if any. They can be queued up before this CPU
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+ * was taken out of cpu_online_map in __cpu_disable().
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+ */
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+ do_softirq();
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+
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/* This must be done before dead CPU ack */
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cpu_exit_clear();
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hvm_cpu_down();
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