From: "Daniel P. Berrangé" <berrange@redhat.com>
To: Thomas Huth <thuth@redhat.com>
Cc: qemu-devel@nongnu.org,
"Harsh Prateek Bora" <harshpb@linux.ibm.com>,
"Peter Maydell" <peter.maydell@linaro.org>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Yanan Wang" <wangyanan55@huawei.com>,
"Philippe Mathieu-Daudé" <philmd@linaro.org>,
"Cédric Le Goater" <clegoate@redhat.com>,
"Halil Pasic" <pasic@linux.ibm.com>,
"Laurent Vivier" <laurent@vivier.eu>,
qemu-arm@nongnu.org,
"Daniel Henrique Barboza" <danielhb413@gmail.com>,
"Eduardo Habkost" <eduardo@habkost.net>,
qemu-ppc@nongnu.org, "David Gibson" <david@gibson.dropbear.id.au>,
"Ilya Leoshkevich" <iii@linux.ibm.com>,
"Eric Farman" <farman@linux.ibm.com>,
"Christian Borntraeger" <borntraeger@linux.ibm.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Marcel Apfelbaum" <marcel.apfelbaum@gmail.com>,
"David Hildenbrand" <david@redhat.com>,
qemu-s390x@nongnu.org
Subject: Re: [PATCH 08/14] include/hw: add macros for deprecation & removal of versioned machines
Date: Thu, 9 May 2024 15:42:44 +0100 [thread overview]
Message-ID: <Zjzg5AAdysA6-_Kd@redhat.com> (raw)
In-Reply-To: <b8027831-9f15-42e4-aa52-a071dc7bd384@redhat.com>
On Thu, May 02, 2024 at 12:59:05PM +0200, Thomas Huth wrote:
> On 01/05/2024 20.27, Daniel P. Berrangé wrote:
> > Versioned machines live for a long time to provide back compat for
> > incoming migration and restore of saved images. To guide users away from
> > usage of old machines, however, we want to deprecate any older than 3
> > years (equiv of 9 releases), and delete any older than 6 years (equiva
> > of 18 releases).
> >
> > To get a standardized deprecation message and avoid having to remember
> > to manually add it after three years, this introduces two macros to be
> > used by targets when defining versioned machines.
> >
> > * MACHINE_VER_DEPRECATION(major, minor)
> >
> > Automates the task of setting the 'deprecation_reason' field on the
> > machine, if-and-only-if the major/minor version is older than 3 years.
> >
> > * MACHINE_VER_DEPRECATION(major, minor)
>
> That should be MACHINE_VER_DELETION instead.
Opps, yes.
>
> > Simulates the deletion of by skipping registration of the QOM type
> > for a versioned machine, if-and-only-if the major/minor version is
> > older than 6 years.
> >
> > By using these two macros there is no longer any manual work required
> > per-release to deprecate old machines. By preventing the use of machines
> > that have reached their deletion date, it is also no neccessary to
>
> s/neccessary/necessary/
>
> > manually delete machines per-release. Deletion can be batched up once a
> > year or whenever makes most sense.
> >
> > Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> > ---
> > include/hw/boards.h | 84 +++++++++++++++++++++++++++++++++++++++++++++
> > 1 file changed, 84 insertions(+)
>
> With the typos fixed:
> Reviewed-by: Thomas Huth <thuth@redhat.com>
>
With regards,
Daniel
--
|: https://berrange.com -o- https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org -o- https://fstop138.berrange.com :|
|: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
next prev parent reply other threads:[~2024-05-09 14:43 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-01 18:27 [PATCH 00/14] hw: define and enforce a standard lifecycle for versioned machines Daniel P. Berrangé
2024-05-01 18:27 ` [PATCH 01/14] include/hw: add helpers for defining versioned machine types Daniel P. Berrangé
2024-05-02 10:34 ` Thomas Huth
2024-05-09 14:39 ` Daniel P. Berrangé
2024-05-02 14:57 ` Eric Blake
2024-05-02 16:54 ` Thomas Huth
2024-05-09 14:39 ` Daniel P. Berrangé
2024-05-01 18:27 ` [PATCH 02/14] hw/arm: convert 'virt' machine definitions to use new macros Daniel P. Berrangé
2024-05-02 12:11 ` Thomas Huth
2024-05-01 18:27 ` [PATCH 03/14] hw/s390x: convert 'ccw' " Daniel P. Berrangé
2024-05-02 11:12 ` Thomas Huth
2024-05-01 18:27 ` [PATCH 04/14] hw/ppc: convert 'spapr' " Daniel P. Berrangé
2024-05-02 11:57 ` Thomas Huth
2024-05-01 18:27 ` [PATCH 05/14] hw/m68k: convert 'virt' " Daniel P. Berrangé
2024-05-02 12:00 ` Thomas Huth
2024-05-01 18:27 ` [PATCH 06/14] hw/i386: convert 'i440fx' " Daniel P. Berrangé
2024-05-01 18:27 ` [PATCH 07/14] hw/i386: convert 'q35' " Daniel P. Berrangé
2024-05-01 18:27 ` [PATCH 08/14] include/hw: add macros for deprecation & removal of versioned machines Daniel P. Berrangé
2024-05-02 10:59 ` Thomas Huth
2024-05-09 14:42 ` Daniel P. Berrangé [this message]
2024-05-01 18:27 ` [PATCH 09/14] hw: temporarily disable deletion of versioned machine types Daniel P. Berrangé
2024-05-02 11:05 ` Thomas Huth
2024-05-02 11:13 ` Daniel P. Berrangé
2024-05-01 18:27 ` [PATCH 10/14] hw: set deprecation info for all " Daniel P. Berrangé
2024-05-02 11:06 ` Thomas Huth
2024-05-01 18:27 ` [PATCH 11/14] hw: skip registration of outdated " Daniel P. Berrangé
2024-05-02 12:02 ` Thomas Huth
2024-05-01 18:27 ` [PATCH 12/14] hw/ppc: remove obsolete manual deprecation reason string of spapr machines Daniel P. Berrangé
2024-05-02 12:04 ` Thomas Huth
2024-05-01 18:27 ` [PATCH 13/14] hw/i386: remove obsolete manual deprecation reason string of i440fx machines Daniel P. Berrangé
2024-05-02 12:08 ` Thomas Huth
2024-05-02 12:15 ` Daniel P. Berrangé
2024-05-01 18:27 ` [PATCH 14/14] docs: document special exception for machine type deprecation & removal Daniel P. Berrangé
2024-05-02 9:47 ` Thomas Huth
2024-05-02 9:53 ` Daniel P. Berrangé
2024-05-03 11:46 ` [PATCH 00/14] hw: define and enforce a standard lifecycle for versioned machines Cédric Le Goater
2024-05-03 12:14 ` Peter Maydell
2024-05-03 12:34 ` Daniel P. Berrangé
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=Zjzg5AAdysA6-_Kd@redhat.com \
--to=berrange@redhat.com \
--cc=borntraeger@linux.ibm.com \
--cc=clegoate@redhat.com \
--cc=danielhb413@gmail.com \
--cc=david@gibson.dropbear.id.au \
--cc=david@redhat.com \
--cc=eduardo@habkost.net \
--cc=farman@linux.ibm.com \
--cc=harshpb@linux.ibm.com \
--cc=iii@linux.ibm.com \
--cc=laurent@vivier.eu \
--cc=marcel.apfelbaum@gmail.com \
--cc=mst@redhat.com \
--cc=npiggin@gmail.com \
--cc=pasic@linux.ibm.com \
--cc=pbonzini@redhat.com \
--cc=peter.maydell@linaro.org \
--cc=philmd@linaro.org \
--cc=qemu-arm@nongnu.org \
--cc=qemu-devel@nongnu.org \
--cc=qemu-ppc@nongnu.org \
--cc=qemu-s390x@nongnu.org \
--cc=richard.henderson@linaro.org \
--cc=thuth@redhat.com \
--cc=wangyanan55@huawei.com \
/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 read-only IMAP folder(s) and NNTP newsgroup(s).