Re: [PATCH net-next v9 0/4] vsock/virtio/vhost: MSG_ZEROCOPY preparations

From: "Michael S. Tsirkin" <mst@redhat.com>
To: Stefano Garzarella <sgarzare@redhat.com>
Cc: Bobby Eshleman <bobby.eshleman@bytedance.com>,
	kvm@vger.kernel.org, netdev@vger.kernel.org,
	Arseniy Krasnov <avkrasnov@salutedevices.com>,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org, oxffffaa@gmail.com,
	Eric Dumazet <edumazet@google.com>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	kernel@sberdevices.ru, Jakub Kicinski <kuba@kernel.org>,
	Paolo Abeni <pabeni@redhat.com>,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH net-next v9 0/4] vsock/virtio/vhost: MSG_ZEROCOPY preparations
Date: Tue, 19 Sep 2023 22:38:33 -0400	[thread overview]
Message-ID: <20230919223700-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <hq67e2b3ljfjikvbaneczdve3fzg3dl5ziyc7xtujyqesp6dzm@fh5nqkptpb4n>

On Tue, Sep 19, 2023 at 03:35:51PM +0200, Stefano Garzarella wrote:
> On Tue, Sep 19, 2023 at 03:19:54PM +0200, Paolo Abeni wrote:
> > On Tue, 2023-09-19 at 09:54 +0200, Stefano Garzarella wrote:
> > > On Mon, Sep 18, 2023 at 07:56:00PM +0300, Arseniy Krasnov wrote:
> > > > Hi Stefano,
> > > >
> > > > thanks for review! So when this patchset will be merged to net-next,
> > > > I'll start sending next part of MSG_ZEROCOPY patchset, e.g. AF_VSOCK +
> > > > Documentation/ patches.
> > > 
> > > Ack, if it is not a very big series, maybe better to include also the
> > > tests so we can run them before merge the feature.
> > 
> > I understand that at least 2 follow-up series are waiting for this, one
> > of them targeting net-next and the bigger one targeting the virtio
> > tree. Am I correct?
> 
> IIUC the next series will touch only the vsock core
> (net/vmw_vsock/af_vsock.c), tests, and documentation.
> 
> The virtio part should be fully covered by this series.
> 
> @Arseniy feel free to correct me!
> 
> > 
> > DaveM suggests this should go via the virtio tree, too. Any different
> > opinion?
> 
> For this series should be fine, I'm not sure about the next series.
> Merging this with the virtio tree, then it forces us to do it for
> followup as well right?
> 
> In theory followup is more on the core, so better with net-next, but
> it's also true that for now only virtio transports support it, so it
> might be okay to continue with virtio.
> 
> @Michael WDYT?
> 
> Thanks,
> Stefano

I didn't get DaveM's mail - was this off-list?
I think net-next is easier because the follow up belongs in net-next.
But if not I can take it, sure. Let me know.

-- 
MST

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