From: Jason Wang <jasow...@redhat.com>
Date: Tue, 15 Oct 2013 11:18:58 +0800

> We're trying to re-configure the affinity unconditionally in cpu hotplug
> callback. This may lead the issue during resuming from s3/s4 since
> 
> - virt queues haven't been allocated at that time.
> - it's unnecessary since thaw method will re-configure the affinity.
> 
> Fix this issue by checking the config_enable and do nothing is we're not 
> ready.
> 
> The bug were introduced by commit 8de4b2f3ae90c8fc0f17eeaab87d5a951b66ee17
> (virtio-net: reset virtqueue affinity when doing cpu hotplug).
> 
> Cc: Rusty Russell <ru...@rustcorp.com.au>
> Cc: Michael S. Tsirkin <m...@redhat.com>
> Cc: Wanlong Gao <gaowanl...@cn.fujitsu.com>
> Acked-by: Michael S. Tsirkin <m...@redhat.com>
> Reviewed-by: Wanlong Gao <gaowanl...@cn.fujitsu.com>
> Signed-off-by: Jason Wang <jasow...@redhat.com>

Applied and queued up for -stable.
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