From: Guenter Roeck <linux@roeck-us.net>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>,
qemu-arm <qemu-arm@nongnu.org>,
Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>,
Aaro Koskinen <aaro.koskinen@iki.fi>,
Janusz Krzysztofik <jmkrzyszt@gmail.com>,
Tony Lindgren <tony@atomide.com>,
linux-omap@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Daniel Mack <daniel@zonque.org>,
Robert Jarzmik <robert.jarzmik@free.fr>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
Thomas Huth <thuth@redhat.com>
Subject: Re: possible deprecation and removal of some old QEMU Arm machine types (pxa2xx, omap, sa1110)
Date: Fri, 8 Mar 2024 07:50:23 -0800 [thread overview]
Message-ID: <d5dd9334-e25a-44f5-afc4-c01ea59c02be@roeck-us.net> (raw)
In-Reply-To: <CAFEAcA_-eTfF8tVaLk4yLgWMSA1+KjPBYyS3EjMQNC+59hT0Aw@mail.gmail.com>
On Fri, Mar 08, 2024 at 03:41:48PM +0000, Peter Maydell wrote:
> On Tue, 13 Feb 2024 at 15:36, Guenter Roeck <linux@roeck-us.net> wrote:
> >
> > On Tue, Feb 13, 2024 at 03:14:21PM +0000, Peter Maydell wrote:
> > > On Mon, 12 Feb 2024 at 14:36, Guenter Roeck <linux@roeck-us.net> wrote:
> > > > On 2/12/24 04:32, Peter Maydell wrote:
> > > > > The machines I have in mind are:
> > > > >
> > > > > PXA2xx machines:
> > > > >
> > > > > akita Sharp SL-C1000 (Akita) PDA (PXA270)
> > > > > borzoi Sharp SL-C3100 (Borzoi) PDA (PXA270)
> > > > > connex Gumstix Connex (PXA255)
> > > > > mainstone Mainstone II (PXA27x)
> > > > > spitz Sharp SL-C3000 (Spitz) PDA (PXA270)
> > > > > terrier Sharp SL-C3200 (Terrier) PDA (PXA270)
> > > > > tosa Sharp SL-6000 (Tosa) PDA (PXA255)
> > > > > verdex Gumstix Verdex Pro XL6P COMs (PXA270)
> > > > > z2 Zipit Z2 (PXA27x)
>
> > > > > OMAP1 machines:
> > > > >
> > > > > cheetah Palm Tungsten|E aka. Cheetah PDA (OMAP310)
> > > > > sx1 Siemens SX1 (OMAP310) V2
> > > > > sx1-v1 Siemens SX1 (OMAP310) V1
>
> > > > > OMAP2 machines:
> > > > >
> > > > > n800 Nokia N800 tablet aka. RX-34 (OMAP2420)
> > > > > n810 Nokia N810 tablet aka. RX-44 (OMAP2420)
>
> > > > > The one SA1110 machine:
> > > > >
> > > > > collie Sharp SL-5500 (Collie) PDA (SA-1110)
>
> > I am copying Arnd, the OMAP1 Linux kernel maintainers, PXA2 maintainers,
> > and the Linux omap mailing list for input. Sorry for the noise for those
> > who don't care, but I think it is useful to have your voices heard.
>
> Thanks to everybody for your input on this thread. My
> proposal is to drop from QEMU:
> * all the PXA2xx machines
> * all the OMAP2 machines
> * the cheetah OMAP1 machine
>
> leaving (at least for now) sx1, sx1-v1, collie.
>
> Rationale:
> * for QEMU dropping individual machines is much less beneficial
> than if we can drop support for an entire SoC
> * the OMAP2 QEMU code in particular is large, old and unmaintained,
> and none of the OMAP2 kernel maintainers said they were using
> QEMU in any of their testing/development
> * although Guenter is currently booting test kernels on some
> of the PXA2xx machines, nobody seemed to be using them as part
> of their active kernel development and my impression from the
> thread is that PXA is the closest of all these SoC families to
> being dropped from the kernel soon
> * nobody said they were using cheetah, so it's entirely
> untested and quite probably broken
> * on the other hand the OMAP1 sx1 model does seem to be being
> used as part of kernel development, and there was interest
> in keeping collie around
>
> I'm going to mark these as deprecated for the QEMU 9.0 release,
> which by our deprecate-and-drop policy means they will be
> still present in 9.0 (due out in April) and 9.1 (August-ish),
> and removed in 9.2 (December).
>
> I'm potentially open to persuasion if anybody thinks I'm
> being too drastic here; persuasion that came attached to
> a desire to help modernise the QEMU code for the relevant
> machines would be the most effective :-)
>
sgtm
Guenter
prev parent reply other threads:[~2024-03-08 15:50 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAFEAcA88UGhjh8-iBvhxx6GdWg74dinYouiguTcz=qEe51L7Ag@mail.gmail.com>
[not found] ` <fe5476c7-82e0-4353-a943-7f39b14e1b5b@roeck-us.net>
[not found] ` <CAFEAcA-bqOM4Ptws-tsEwo2HDZ6YSX1Y+xGkR0WueRD_dUd0+Q@mail.gmail.com>
2024-02-13 15:36 ` possible deprecation and removal of some old QEMU Arm machine types (pxa2xx, omap, sa1110) Guenter Roeck
2024-02-13 20:11 ` Arnd Bergmann
2024-02-13 21:21 ` Linus Walleij
2024-02-14 10:14 ` Arnd Bergmann
2024-02-14 12:26 ` Dmitry Baryshkov
2024-02-14 13:39 ` Marcin Juszkiewicz
2024-02-14 22:15 ` Andrea Adami
2024-02-14 22:42 ` Arnd Bergmann
2024-02-15 8:31 ` Andreas Kemnade
2024-02-15 8:45 ` Arnd Bergmann
2024-02-15 8:52 ` Dmitry Baryshkov
2024-02-15 10:06 ` Marcin Juszkiewicz
2024-02-15 11:31 ` H. Nikolaus Schaller
2024-02-14 1:27 ` Aaro Koskinen
2024-02-14 5:53 ` Tony Lindgren
2024-02-14 14:57 ` Arnd Bergmann
2024-02-14 9:08 ` Daniel Mack
2024-03-08 15:41 ` Peter Maydell
2024-03-08 15:50 ` Guenter Roeck [this message]
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