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Date:   Mon, 8 Feb 2021 07:04:21 -0500
From:   "Michael S. Tsirkin" <mst@redhat.com>
To:     Jason Wang <jasowang@redhat.com>
Cc:     virtualization@lists.linux-foundation.org,
        linux-kernel@vger.kernel.org, shahafs@mellanox.com,
        lulu@redhat.com, sgarzare@redhat.com, rdunlap@infradead.org
Subject: Re: [PATCH V3 16/19] virtio-pci: introduce modern device module
Message-ID: <20210208070253-mutt-send-email-mst@kernel.org>
References: <20210104065503.199631-1-jasowang@redhat.com>
 <20210104065503.199631-17-jasowang@redhat.com>
 <20210205103214-mutt-send-email-mst@kernel.org>
 <24cb3ebe-1248-3e31-0716-cf498cf1d728@redhat.com>
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On Mon, Feb 08, 2021 at 01:42:27PM +0800, Jason Wang wrote:
> 
> On 2021/2/5 下午11:34, Michael S. Tsirkin wrote:
> > On Mon, Jan 04, 2021 at 02:55:00PM +0800, Jason Wang wrote:
> > > Signed-off-by: Jason Wang<jasowang@redhat.com>
> > I don't exactly get why we need to split the modern driver out,
> > and it can confuse people who are used to be seeing virtio-pci.
> 
> 
> The virtio-pci module still there. No user visible changes. Just some codes
> that could be shared with other driver were split out.
> 

What I am saying is this: we can have virtio-vdpa depend on
virtio-pci without splitting the common code out to an
extra module.

> > 
> > The vdpa thing so far looks like a development tool, why do
> > we care that it depends on a bit of extra code?
> 
> 
> If I'm not misunderstanding, trying to share codes is proposed by you here:
> 
> https://lkml.org/lkml/2020/6/10/232
> 
> We also had the plan to convert IFCVF to use this library.
> 
> Thanks

If that happens then an extra module might become useful.

-- 
MST