xen-devel.lists.xenproject.org archive mirror
 help / color / mirror / Atom feed
From: "Roger Pau Monné" <roger.pau@citrix.com>
To: Juergen Gross <jgross@suse.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
	bouyer@NetBSD.org,
	"xen-users@lists.xenproject.org" <xen-users@lists.xenproject.org>
Subject: Re: Future of 32-bit PV support
Date: Thu, 16 Aug 2018 16:46:37 +0200	[thread overview]
Message-ID: <20180816144637.yuk4vlqwrvgn75cf@mac> (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

This means 32bit PV support would be switched off by default in the
hypervisor build, but distros or individuals could still enable it
(like the build system will enable it for the shim).

> - 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?

FTR, NetBSD is the only BSD to have PV support, both 32 and 64bits.

Roger.

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

  parent reply	other threads:[~2018-08-16 15:24 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 [this message]
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
2018-08-20 15:36   ` Juergen Gross

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180816144637.yuk4vlqwrvgn75cf@mac \
    --to=roger.pau@citrix.com \
    --cc=bouyer@NetBSD.org \
    --cc=jgross@suse.com \
    --cc=xen-devel@lists.xenproject.org \
    --cc=xen-users@lists.xenproject.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).