From mboxrd@z Thu Jan  1 00:00:00 1970
From: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Subject: Re: [Sound-open-firmware] [PATCH 5/6] vhost: add an rpmsg API
Date: Tue, 26 May 2020 20:55:22 +0200
Message-ID: <20200526185522.GA6992@ubuntu>
References: <20200516101109.2624-1-guennadi.liakhovetski@linux.intel.com>
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 <20200525135336.GB6761@ubuntu>
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To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Liam Girdwood <liam.r.girdwood@linux.intel.com>, sound-open-firmware@alsa-project.org, linux-remoteproc@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org
List-Id: virtualization@lists.linuxfoundation.org

Hi Pierre,

On Tue, May 26, 2020 at 01:30:24PM -0500, Pierre-Louis Bossart wrote:
> 
> 
> On 5/25/20 8:53 AM, Guennadi Liakhovetski wrote:
> > Hi Pierre,
> > 
> > On Sat, May 16, 2020 at 12:00:35PM -0500, Pierre-Louis Bossart wrote:
> > > 
> > > > +config VHOST_RPMSG
> > > > +	tristate
> > > > +	depends on VHOST
> > > 
> > > depends on RPMSG_VIRTIO?
> > 
> > No, RPMSG_VIRTIO is used on the guest side, VHOST_RPMSG (as well as
> > all other vhost drivers) on the host side.
> 
> I vaguely recalled something about sockets, and was wondering if there isn't
> a dependency on this:
> 
> config VHOST_VSOCK
> 	tristate "vhost virtio-vsock driver"
> 	depends on VSOCKETS && EVENTFD && VHOST_DPN
> 	select VHOST

You probably are thinking about the first patch in the series "vhost: convert 
VHOST_VSOCK_SET_RUNNING to a generic ioctl." But no, this RPMsg driver 
doesn't depend on vsock, on the contrary, it takes a (albeit tiny) piece of 
functionality from vsock and makes it global.

Thanks
Guennadi