From: Jason Wang <[email protected]> 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 <[email protected]> > Tested-by: Fengguang Wu <[email protected]> > Cc: Wanlong Gao <[email protected]> > Cc: Rusty Russell <[email protected]> > Cc: Michael S. Tsirkin <[email protected]> > Signed-off-by: Jason Wang <[email protected]> > --- > 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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
