Re: New user getting started questions

Alyssa Ross
2021-11-10T12:59:34Z

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Thomas Leonard <talex5@gmail.com> writes:

> On Wed, 3 Nov 2021 at 11:37, Alyssa Ross <hi@alyssa.is> wrote:
>>
>> Have you seen the new mechanism for Wayland over virtio-gpu context
>> types that Google are moving towards? It's supported in mainline Linux
>> now, and in Sommelier. I'd expect virtio-wl to go away at some point in
>> favour of that.
>
> Ah, is that released already? I saw you mentioned it in your handy
> graphics write-up, but I thought it wasn't due until Linux 5.16:
> https://www.phoronix.com/scan.php?page=news_item&px=VirtIO-Linux-5.16-Ctx-Type

You're right. They've just made it toLinus's git tree. But they should
be ready for testing if you're brave! :P

> I don't know any details about it, but unless it's massively more
> complicated than virtwl it shouldn't be any trouble to switch to it.
> Will be nice not having to port virtwl to each new kernel!

>> Also, I've been following some Qubes work recently, and it sounds like
>> they might be interested in doing X11 over Wayland in a way that
>> wouldn't need special compositor support (and the corresponding
>> potential for security bugs). It sounds like it would be a lot of work
>> though, so we'll see…
>
> Isn't that what Sommelier and wayland-proxy-virtwl are both doing
> already though? There's no need for any X11 support in the host
> compositor with them.

Oh I didn't realise that. So the host compositor doesn't have to
implement an X11 window manager and speak back to the Xserver, like it
does in a normal XWayland setup[1]?

[1]: https://wayland.freedesktop.org/docs/html/ch05.html#sect-X11-Application-Support-architecture

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