Re: [PATCH v1 0/5] virtio: Add the virtio-msg transport

["Edgar E. Iglesias" <edgar.iglesias@amd.com>]

On Tue, Feb 03, 2026 at 08:22:38AM -0500, Michael S. Tsirkin wrote:
> On Tue, Oct 28, 2025 at 04:23:45PM +0100, Edgar E. Iglesias wrote:
> > From: "Edgar E. Iglesias" <edgar.iglesias@amd.com>
> > 
> > This adds virtio-msg, a new virtio transport. Virtio-msg works by
> > exchanging messages over a bus and doesn't rely on trapping and emulation
> > making it a good fit for a number of applications such as AMP, real-time
> > and safety applications.
> > 
> > Together with the new transport, this series adds a PCI device that
> > implements an AMP setup much like it could look if two SoC's would
> > use virtio-msg across a PCI link.
> > 
> > Current gaps and limitations:
> > Shared memory FIFO layout likely to change in the future.
> > Temporarily uses PCI Vendor Xilinx / Device 0x9039.
> > Documentation.
> 
> 
> I'm happy that the spec effort is making progress finally.
> Do you want to repost a version aligned to the latest spec posted?
> 
>

Thanks Michael, Yes, I'll repost a new version soon aligned with the
latest spec and addressing comments from Alex.

Cheers,
Edgar