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Re: [Qemu-devel] Drop support for 32bit hosts in qemu?
From: |
Juan Quintela |
Subject: |
Re: [Qemu-devel] Drop support for 32bit hosts in qemu? |
Date: |
Wed, 27 Jun 2018 15:02:48 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) |
Markus Armbruster <address@hidden> wrote:
> Thomas Huth <address@hidden> writes:
>
>> On 27.06.2018 08:51, Gerd Hoffmann wrote:
> [...]
>>> Drop support for 32bit hosts in qemu?
>>
>> I guess the only way to answer that question reliably is to send a patch
>> to mark 32-bit hosts as deprecated...
>>
>> Anyway, you still have got to fix that problem with -m32 now somehow
>> since we certainly can not drop 32-bit immediately.
>
> We certainly can if we want to.
>
> Our formal deprecation policy codifies our compromise between the need
> to evolve QEMU and the need of its users for stable external interfaces.
>
> "Compiles on host X" is also a need, but it's a different one.
> Evidence: "Supported build platforms" has its own appendix, separate
> from "Deprecated features". It's mum on 32-bit hosts.
>
> I'm not saying we *should* drop 32-bit hosts immediately. Only that the
> feature deprecation policy does not apply.
>
> Is QEMU still useful on 32-bit hosts? Honest question!
At least require 32bits architectures/compilers able to use 64bit
atomics. That leaves us with x86 (depending on compiler). And there
haven't been 32bit x86 hosts since .....
Later, Juan.
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu? (was: [PULL 1/6] audio/hda: create millisecond timers that handle IO), (continued)
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu? (was: [PULL 1/6] audio/hda: create millisecond timers that handle IO), Peter Maydell, 2018/06/27
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu? (was: [PULL 1/6] audio/hda: create millisecond timers that handle IO), Dr. David Alan Gilbert, 2018/06/27
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu? (was: [PULL 1/6] audio/hda: create millisecond timers that handle IO), Alex Bennée, 2018/06/27
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu? (was: [PULL 1/6] audio/hda: create millisecond timers that handle IO), Alex Bennée, 2018/06/27
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu? (was: [PULL 1/6] audio/hda: create millisecond timers that handle IO), Daniel P . Berrangé, 2018/06/27
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu? (was: [PULL 1/6] audio/hda: create millisecond timers that handle IO), Alex Bennée, 2018/06/27
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu? (was: [PULL 1/6] audio/hda: create millisecond timers that handle IO), Philippe Mathieu-Daudé, 2018/06/27
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu?,
Juan Quintela <=
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu?, Daniel P . Berrangé, 2018/06/27
- Re: [Qemu-devel] [PULL 1/6] audio/hda: create millisecond timers that handle IO, Gerd Hoffmann, 2018/06/27
- Re: [Qemu-devel] [PULL 1/6] audio/hda: create millisecond timers that handle IO, Paolo Bonzini, 2018/06/27
- Re: [Qemu-devel] [PULL 1/6] audio/hda: create millisecond timers that handle IO, Eric Blake, 2018/06/27
Re: [Qemu-devel] [PULL 1/6] audio/hda: create millisecond timers that handle IO, Peter Maydell, 2018/06/29
[Qemu-devel] [PULL 4/6] audio/hda: detect output buffer overruns, Gerd Hoffmann, 2018/06/25
[Qemu-devel] [PULL 5/6] audio/hda: enable new timer code by default., Gerd Hoffmann, 2018/06/25
[Qemu-devel] [PULL 6/6] audio: Convert use of atoi to qemu_strtoi, Gerd Hoffmann, 2018/06/25
Re: [Qemu-devel] [PULL 0/6] Audio 20180625 patches, Peter Maydell, 2018/06/25