Thanks, David
On 07/29/2018 11:30 PM, David Miller wrote:
From: Xiao Liang <xili...@redhat.com>
Date: Fri, 27 Jul 2018 17:56:08 +0800
@@ -1330,6 +1331,11 @@ static struct net_device *xennet_create_dev(struct
xenbus_device *dev)
netif_carrier_off(netdev);
xenbus_switch_state(dev, XenbusStateInitialising);
+ wait_event(module_load_q,
+ xenbus_read_driver_state(dev->otherend) !=
+ XenbusStateClosed &&
+ xenbus_read_driver_state(dev->otherend) !=
+ XenbusStateUnknown);
return netdev;
exit:
What performs the wakeups that will trigger for this sleep site?
In my understanding, backend leaving closed/unknow state can trigger the
wakeups. I mean to make sure both sides are ready for creating connection.
Thanks,
Liang
Thank you.
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