Re: [Xen-devel] Future of 32-bit PV support

[Manuel Bouyer <bouyer@xxxxxxxxxxxxxxx>]

On Thu, Aug 16, 2018 at 08:17:13AM +0200, Juergen Gross wrote:
> In the Xen x86 community call we have been discussing whether anyone
> really is depending on 32-bit PV guests. We'd like to evaluate whether
> anyone would see problems with:
> 
> - deprecating 32-bit PV guest support in Xen, meaning that we'd
>   eventually switch to support 32-bit PV guests only via PV-shim from
>   Xen 4.12 or 4.13
> 
> - dropping 32-bit PV support from upstream Linux kernel, resulting in
>   current 32-bit PV guests no longer being able to upgrade to the newest
>   kernel version any longer
> 
> And related to that:
> 
> - is there any Linux distribution still shipping 32-bit PV-capable
>   systems?
> 
> - what about BSD? Is 32-bit PV support important there?

Hello,
Actually, NetBSD only supports PV (there is work toward PV drivers for HVM,
and PVH, but this is making slow progress). 32-bit PV is faster than 64-bit PV
so all my domUs are 32bits these days.

-- 
Manuel Bouyer <bouyer@xxxxxxxxxxxxxxx>
     NetBSD: 26 ans d'experience feront toujours la difference
--

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