linux-kernel - Re: [PATCH 1/2] vdpa: support set mac address from vdpa tool

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Message-ID: <20240617082002.3daaf9d4@kernel.org>
Date: Mon, 17 Jun 2024 08:20:02 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: "Michael S. Tsirkin" <mst@...hat.com>
Cc: Jiri Pirko <jiri@...nulli.us>, Parav Pandit <parav@...dia.com>, Jason
 Wang <jasowang@...hat.com>, Cindy Lu <lulu@...hat.com>, Dragos Tatulea
 <dtatulea@...dia.com>, "virtualization@...ts.linux-foundation.org"
 <virtualization@...ts.linux-foundation.org>, "linux-kernel@...r.kernel.org"
 <linux-kernel@...r.kernel.org>, "kvm@...r.kernel.org"
 <kvm@...r.kernel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH 1/2] vdpa: support set mac address from vdpa tool

On Mon, 17 Jun 2024 09:47:21 -0400 Michael S. Tsirkin wrote:
> I don't know what this discussion is about, at this point.
> For better or worse, vdpa gained interfaces for provisioning
> new devices. Yes the solution space was wide but it's been there
> for years so kind of too late to try and make people
> move to another interface for that.
> 
> Having said that, vdpa interfaces are all built around
> virtio spec. Let's try to stick to that.

But the virtio spec doesn't allow setting the MAC...
I'm probably just lost in the conversation but there's hypervisor side
and there is user/VM side, each of them already has an interface to set
the MAC. The MAC doesn't matter, but I want to make sure my mental model
matches reality in case we start duplicating too much..