On Fri, Aug 15, 2014 at 10:55:32AM +0800, Jason Wang wrote:

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I wonder if k->set_guest_notifiers should be called after "hdev->started = true;" in vhost_dev_start.

Michael, can we just remove those assertions? Since you may want to set
guest notifiers before starting the backend.

Which assertions?

I mean assert(hdev->started) in vhost.c. Your patch may hit them.

I don't follow, but since my patch doesn't help anyway, pls go ahead
and post your idea in form of a patch, will be clearer and can
be tested.