[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] Drop support for 32bit hosts in qemu?
From: |
Alex Bennée |
Subject: |
Re: [Qemu-devel] Drop support for 32bit hosts in qemu? |
Date: |
Wed, 27 Jun 2018 12:08:31 +0100 |
User-agent: |
mu4e 1.1.0; emacs 26.1.50 |
Thomas Huth <address@hidden> writes:
> On 27.06.2018 09:57, Markus Armbruster 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.
>
> Theoretically I'd agree, but actually it's more than that: If we drop
> support for 32-bit hosts, we could also drop the qemu-system-i386,
> qemu-system-ppc and qemu-system-arm targets, since qemu-system-x86_64,
> qemu-system-ppc64 and qemu-system-aarch64 are a clear superset of
> these.
Hmm not quite - not building on HOST != not wanting to run GUEST
While I'm unlikely to build on a 32 bit ARM system I run 32 bit guests
all the time.
> But that would also mean a change of the user interface, since the name
> of the executable changes, and at least for ppc, there are also subtle
> differences (different default machine type, different default CPU types).
>
> Thomas
--
Alex Bennée
- [Qemu-devel] [PULL 0/6] Audio 20180625 patches, Gerd Hoffmann, 2018/06/25
- [Qemu-devel] [PULL 3/6] audio/hda: tweak timer adjust logic, Gerd Hoffmann, 2018/06/25
- [Qemu-devel] [PULL 2/6] audio/hda: turn some dprintfs into trace points, Gerd Hoffmann, 2018/06/25
- [Qemu-devel] [PULL 1/6] audio/hda: create millisecond timers that handle IO, Gerd Hoffmann, 2018/06/25
- Re: [Qemu-devel] [PULL 1/6] audio/hda: create millisecond timers that handle IO, Max Reitz, 2018/06/26
- 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, Thomas Huth, 2018/06/27
- [Qemu-devel] Drop support for 32bit hosts in qemu? (was: [PULL 1/6] audio/hda: create millisecond timers that handle IO), Markus Armbruster, 2018/06/27
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu?, Thomas Huth, 2018/06/27
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu?, Gerd Hoffmann, 2018/06/27
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu?,
Alex Bennée <=
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu?, Thomas Huth, 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), BALATON Zoltan, 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), Gerd Hoffmann, 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), Thomas Huth, 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? (was: [PULL 1/6] audio/hda: create millisecond timers that handle IO), Laurent Vivier, 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), Laurent Vivier, 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), 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