Discussion of the VIRTIO specification
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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Albert Esteve <aesteve@redhat.com>
Cc: "Alex Bennée" <alex.bennee@linaro.org>,
	qemu-devel <qemu-devel@nongnu.org>,
	virtio-comment@lists.linux.dev, dev@lists.cloudhypervisor.org,
	rust-vmm@lists.opendev.org,
	"Stefano Garzarella" <sgarzare@redhat.com>,
	"Manos Pitsidianakis" <manos.pitsidianakis@linaro.org>,
	"Demi Marie Obenour" <demi@invisiblethingslab.com>,
	"Alyssa Ross" <hi@alyssa.is>,
	"Mark Burton" <MBURTON@qti.qualcomm.com>,
	"Matti Moell" <matti@qti.qualcomm.com>,
	"Stefan Hajnoczi" <stefanha@redhat.com>,
	"Viresh Kumar" <viresh.kumar@linaro.org>,
	"Dorinda Bassey" <dbassey@redhat.com>,
	"Sergio Lopez" <slp@redhat.com>,
	"Vishwanath Seshagiri" <vishs@meta.com>,
	"Rob Bradford" <rbradford@meta.com>,
	"Zhengyu Zhao" <zhaozhengyu@bytedance.com>,
	"Jorge E. Moreira" <jemoreira@google.com>
Subject: Re: Where should the vhost-user specification live?
Date: Mon, 1 Jun 2026 09:11:21 -0400	[thread overview]
Message-ID: <20260601090953-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <CADSE00+kRnEC08LLVu6H065u2KaxBm-KnSN_8y6+964-FLbJMA@mail.gmail.com>

On Mon, Jun 01, 2026 at 03:05:50PM +0200, Albert Esteve wrote:
> On Mon, Jun 1, 2026 at 2:39 PM Michael S. Tsirkin <mst@redhat.com> wrote:
> >
> > On Mon, Jun 01, 2026 at 02:32:11PM +0200, Albert Esteve wrote:
> > >  But also because, in my opinion, separating
> > > the specification would improve development agility by decoupling
> > > specification development from QEMU's review and release cycles.
> >
> > Generally for QEMU this will be less agility, unless I misunderstand
> > what is proposed)
> >
> > Because presumably there will need to be spec releases then?
> >
> > So
> >         new feature -> spec tree -> spec release -> qemu implementation -> qemu release
> >
> > is surely longer that what we have now.
> 
> I see your point.
> 
> However, we do not really need to introduce a heavy release management
> layer. We could just operate it as a living document, where the main
> branch is the authoritative source of truth.
> 
> For the workflow, development doesn't have to be strictly sequential
> either. A contributor can propose the spec update while working on the
> implementation, much like we do for VirtIO updates. Actually, this way
> one update/change supports the other.
> 
> I guess my point is that a dedicated repository could lower the
> barrier for new changes AND keep QEMU's own development speed mostly
> unaffected.
> 
> BR,
> Albert

Something something submodule? Possibly. If you want to make progress
on this, pls think of the process, try it out.

> >
> > Whether there will be more agility for non qemu users will depend on
> > how often spec releases are cut.
> >
> >
> >
> > --
> > MST
> >


  reply	other threads:[~2026-06-01 13:11 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-27  9:13 Where should the vhost-user specification live? Alex Bennée
2026-05-27 12:55 ` Michael S. Tsirkin
2026-05-27 13:58   ` Alex Bennée
2026-06-01 12:32 ` Albert Esteve
2026-06-01 12:39   ` Michael S. Tsirkin
2026-06-01 13:05     ` Albert Esteve
2026-06-01 13:11       ` Michael S. Tsirkin [this message]
     [not found]         ` <CAJSP0QV4W=5MJsSGggACv-tqxDtiieKc0YzEn8t-R=RD94KJaQ@mail.gmail.com>
2026-06-01 14:22           ` Michael S. Tsirkin
2026-06-01 16:58             ` Stefan Hajnoczi
2026-06-01 14:27           ` Albert Esteve
2026-06-01 14:37             ` Michael S. Tsirkin
2026-06-01 15:18             ` Stefan Hajnoczi
2026-06-01 20:04               ` Michael S. Tsirkin
     [not found]                 ` <CACzuRyxedVMHNGkRf7AVyPWUTMgBMa6_DBnSHn+V6H7wN7XzWw@mail.gmail.com>
2026-06-04 16:28                   ` Stefan Hajnoczi

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