[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] QEMU 3.0 ?
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] QEMU 3.0 ? |
Date: |
Thu, 23 Nov 2017 14:27:18 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 |
On 23/11/2017 14:13, Cornelia Huck wrote:
> On Thu, 23 Nov 2017 14:02:12 +0100
> Paolo Bonzini <address@hidden> wrote:
>
>> On 23/11/2017 13:39, Cornelia Huck wrote:
>>> I'm wondering how many people want to run e.g. x86_64-on-x86_64
>>> _without_ using an available kvm (and I expect those people to
>>> explicitly specify tcg).
>>
>> I disagree. I expect them to be "power users" enough to know that
>> qemu-system-x86_64 defaults to TCG.
>
> Do we have any idea (from questions, bugzillas, ...) about which kind
> of people actually do that?
>
> [Coming from s390x, where tcg cannot run most current distros, I'm
> lacking data.]
For example Linux or other OS developers that want to test x86 features
not in any shipping processor. (See for example 5-level page tables
that were recently contributed to QEMU).
>> In theory I don't like it either (and I hadn't thought about it until
>> today). In practice, qemu-kvm is not going away from
>> blogs/scripts/tutorials in a decade, so we might as well embrace it...
>
> One issue I see is that this naming convention only works with
> same-architecture accelerators. You can't have a qemu-tcg as you don't
> know which architecture is supposed to be emulated. (Or if you use
> qemu-tcg as a shorthand for same-architecture emulation, you still have
> the long names for anything else, which is even more confusing.)
Right, there would be no qemu-tcg, that would keep qemu-system-ARCH.
Paolo
- Re: [Qemu-devel] QEMU 3.0 ?, (continued)
- Re: [Qemu-devel] QEMU 3.0 ?, Paolo Bonzini, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Cornelia Huck, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Paolo Bonzini, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Cornelia Huck, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Daniel P. Berrange, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Paolo Bonzini, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Daniel P. Berrange, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Paolo Bonzini, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Paolo Bonzini, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Cornelia Huck, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?,
Paolo Bonzini <=
- Re: [Qemu-devel] QEMU 3.0 ?, Peter Maydell, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Paolo Bonzini, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Daniel P. Berrange, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Peter Maydell, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Thomas Huth, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Paolo Bonzini, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Igor Mammedov, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ? (was: [PATCH for-2.12 v3 01/11] spapr: add pseries 2.12 machine type), Daniel P. Berrange, 2017/11/23
- Re: [Qemu-devel] QEMU 3.0 ?, Thomas Huth, 2017/11/23
[Qemu-devel] [PATCH for-2.12 v3 02/11] ppc/xics: remove useless if condition, Cédric Le Goater, 2017/11/10