linux-kernel - Re: [PATCH v5] can: virtio: Initial virtio CAN driver.

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Message-ID: <Z9GkFxPQ54Jzn45f@fedora>
Date: Wed, 12 Mar 2025 16:11:19 +0100
From: Matias Ezequiel Vara Larsen <mvaralar@...hat.com>
To: Marc Kleine-Budde <mkl@...gutronix.de>
Cc: Harald Mommer <harald.mommer@...nsynergy.com>,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	Mikhail Golubev-Ciuchea <Mikhail.Golubev-Ciuchea@...nsynergy.com>,
	Wolfgang Grandegger <wg@...ndegger.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Jason Wang <jasowang@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
	Damir Shaikhutdinov <Damir.Shaikhutdinov@...nsynergy.com>,
	linux-kernel@...r.kernel.org, linux-can@...r.kernel.org,
	netdev@...r.kernel.org, virtualization@...ts.linux.dev
Subject: Re: [PATCH v5] can: virtio: Initial virtio CAN driver.

On Wed, Mar 12, 2025 at 02:36:05PM +0100, Marc Kleine-Budde wrote:
> On 12.03.2025 14:28:10, Matias Ezequiel Vara Larsen wrote:
> > On Wed, Mar 12, 2025 at 11:41:26AM +0100, Marc Kleine-Budde wrote:
> > > On 12.03.2025 11:31:12, Matias Ezequiel Vara Larsen wrote:
> > > > On Thu, Feb 01, 2024 at 07:57:45PM +0100, Harald Mommer wrote:
> > > > > Hello,
> > > > > 
> > > > > I thought there would be some more comments coming and I could address
> > > > > everything in one chunk. Not the case, besides your comments silence.
> > > > > 
> > > > > On 08.01.24 20:34, Christophe JAILLET wrote:
> > > > > > 
> > > > > > Hi,
> > > > > > a few nits below, should there be a v6.
> > > > > > 
> > > > > 
> > > > > I'm sure there will be but not so soon. Probably after acceptance of the
> > > > > virtio CAN specification or after change requests to the specification are
> > > > > received and the driver has to be adapted to an updated draft.
> > > > > 
> > > > What is the status of this series?
> > > 
> > > There has been no movement from the Linux side. The patch series is
> > > quite extensive. To get this mainline, we need not only a proper Linux
> > > CAN driver, but also a proper VirtIO specification. 
> > 
> > Thanks for your answer. AFAIK the spec has been merged (see
> > https://github.com/oasis-tcs/virtio-spec/tree/virtio-1.4). 
> 
> Yes, the spec was merged. I think it was written with a specific
> use-case (IIRC: automotive, Linux on-top of a specific hypervisor) in
> mind, in Linux we have other use cases that might not be covered.

What use-case you have in Linux?

> 
> > > This whole project is too big for me to do it as a collaborative
> > > effort.
> > 
> > What do you mean?
> 
> I mean the driver is too big to review on a non-paid community based
> effort.
> 
I think I can help reviewing it. I will try to spend some time in the next
weeks.

Matias