From: Jason Wang <jasow...@redhat.com> Date: Tue, 29 Oct 2013 15:11:07 +0800
> commit 3ab098df35f8b98b6553edc2e40234af512ba877 (virtio-net: don't respond to > cpu hotplug notifier if we're not ready) tries to bypass the cpu hotplug > notifier by checking the config_enable and does nothing is it was false. So it > need to try to hold the config_lock mutex which may happen in atomic > environment which leads the following warnings: ... > A correct fix is to unregister the hotcpu notifier during restore and > register a > new one in resume. > > Reported-by: Fengguang Wu <fengguang...@intel.com> > Tested-by: Fengguang Wu <fengguang...@intel.com> > Cc: Wanlong Gao <gaowanl...@cn.fujitsu.com> > Cc: Rusty Russell <ru...@rustcorp.com.au> > Cc: Michael S. Tsirkin <m...@redhat.com> > Signed-off-by: Jason Wang <jasow...@redhat.com> > --- > This patch is needed for 3.8 and above. Applied and queued up for -stable, thanks Jason. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
