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Re: [Qemu-devel] Drop support for 32bit hosts in qemu? (was: [PULL 1/6]
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] Drop support for 32bit hosts in qemu? (was: [PULL 1/6] audio/hda: create millisecond timers that handle IO) |
Date: |
Wed, 27 Jun 2018 11:49:35 +0100 |
On 27 June 2018 at 09:52, Gerd Hoffmann <address@hidden> wrote:
> Hi,
>
>> > Is QEMU still useful on 32-bit hosts? Honest question!
>>
>> I guess it depends on what 32-bit hosts you consider. If you look at only
>> x86 vs. x86_64 then probably x86 is not that important any more but for some
>> embedded systems/SoCs 32bit might still be common and QEMU useful for those
>> (also as host not only emulated).
I would generally agree with this. For x86 32-bit is probably
droppable, but for non-x86 the situation is much less clear.
> Well. I've used kvm with an 32bit arm soc (cubietruck). It's very
> slow. And all the arm architecture improvements to support kvm better
> are for aarch64 only.
Cubietruck (a Cortex-A7) is a pretty slow 32-bit Arm core.
Ask again in a couple of years :-)
thanks
-- PMM
- Re: [Qemu-devel] Drop support for 32bit hosts in qemu?, (continued)
- 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 <=
- 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, 2018/06/27
- 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