From: Manuel Bouyer <bouyer@antioche.eu.org>
To: Juergen Gross <jgross@suse.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
"xen-users@lists.xenproject.org" <xen-users@lists.xenproject.org>
Subject: Re: Future of 32-bit PV support
Date: Mon, 20 Aug 2018 17:31:37 +0200 [thread overview]
Message-ID: <20180820153137.GA11536@mail.soc.lip6.fr> (raw)
In-Reply-To: <ede80e02-5704-1d46-4edf-58515ad63f40@suse.com>
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@antioche.eu.org>
NetBSD: 26 ans d'experience feront toujours la difference
--
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next prev parent reply other threads:[~2018-08-20 15:31 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-16 6:17 Future of 32-bit PV support Juergen Gross
2018-08-16 6:32 ` Christopher Clark
2018-08-16 6:51 ` Jan Beulich
[not found] ` <5B751EFB02000078001DEB46@suse.com>
2018-08-16 7:55 ` Juergen Gross
2018-08-16 18:42 ` Christopher Clark
2018-08-16 6:36 ` Jan Beulich
2018-08-16 14:46 ` Roger Pau Monné
2018-08-16 17:34 ` Stefano Stabellini
2018-08-17 4:10 ` Juergen Gross
2018-08-16 22:33 ` [Xen-users] " Andy Smith
2018-08-17 4:09 ` Juergen Gross
2018-08-20 16:01 ` Hans van Kranenburg
2018-08-23 10:53 ` Juergen Gross
2018-08-20 15:31 ` Manuel Bouyer [this message]
2018-08-20 15:36 ` Juergen Gross
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