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Date: Wed, 29 Jun 2016 17:05:30 +0200
From: Cornelia Huck <cornelia.huck@de.ibm.com>
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Subject: Re: [Qemu-devel] [PATCH] virtio: Fix setting up host notifiers for
 vhost
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: =?UTF-8?B?TWFyYy1BbmRyw6k=?= Lureau <marcandre.lureau@gmail.com>, QEMU <qemu-devel@nongnu.org>, "Michael S. Tsirkin" <mst@redhat.com>, Fam Zheng <famz@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Jason Wang <jasowang@redhat.com>, pl@kamp.de

On Wed, 29 Jun 2016 16:52:40 +0200
Paolo Bonzini <pbonzini@redhat.com> wrote:

> On 29/06/2016 16:15, Cornelia Huck wrote:
> > 
> > I can see that one of the qemus sits on event_notifier_test_and_clear
> > when vhost tries to shut down. (I am thoroughly confused by all of
> > that qtest setup, so I have no idea which qemu instance this is...)
> 
> Stupid question ahead---if you mean QEMU is sitting in a blocking read,
> isn't event_notifier_test_and_clear supposed to be non-blocking?

Yes, and this is what completely threw me off. I may have been very
confused at that point of time, though; I can recheck tomorrow.