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Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerat
From: |
Thomas Huth |
Subject: |
Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator |
Date: |
Tue, 22 Aug 2017 07:40:01 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 |
On 22.08.2017 03:09, David Gibson wrote:
> On Wed, Aug 16, 2017 at 12:18:07PM +0100, Peter Maydell wrote:
>> On 16 August 2017 at 11:51, Paolo Bonzini <address@hidden> wrote:
>>> On 16/08/2017 10:26, Cornelia Huck wrote:
>>>> Prefer to use the tcg accelarator if it is available: This is our only
>>>> real smoke test for tcg, and fast enough to use it for that.
>>>
>>> I'm not sure this is required for 2.10. Yes, it means the coverage from
>>> "make check" is worse, but that's it.
>>
>> Yes, I'd put it under "if we need to roll an rc4 anyway for
>> some more significant bug we might as well put this in too,
>> but it doesn't merit cutting rc4 by itself."
>
> It does entirely break "make check" on a ppc host. And that in turn
> has held up my testing cycle for a couple of ppc regressions from 2.9
> that I was hoping to squeeze in. Does that change your calculations?
Uuh, right. The problem is that we can only run the "pseries" machine
with kvm-hv, but not the other ppc machines (and the boot-serial test
tries to start a couple of these). So the "accel=tcg:kvm" fix should
currently be the best way to ease the situation - since ppc does not
support "--disable-tcg" yet, it will always be tested with tcg.
But when we support "--disable-tcg" one day on ppc, too, we might have
to come up with a more clever solution here instead...
Thomas
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- [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, Cornelia Huck, 2017/08/16
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, Laurent Vivier, 2017/08/16
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, Thomas Huth, 2017/08/16
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, Paolo Bonzini, 2017/08/16
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, Peter Maydell, 2017/08/16
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, Cornelia Huck, 2017/08/16
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, David Gibson, 2017/08/21
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator,
Thomas Huth <=
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, Peter Maydell, 2017/08/22
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, Laurent Vivier, 2017/08/22
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, Peter Maydell, 2017/08/22
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, David Gibson, 2017/08/22
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, Cornelia Huck, 2017/08/22
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, David Gibson, 2017/08/22
- Re: [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator, Cornelia Huck, 2017/08/23
- [Qemu-devel] make check speed (was: Re: [PATCH for-2.10] boot-serial-test: prefer tcg accelerator), Thomas Huth, 2017/08/23
- Re: [Qemu-devel] make check speed, Paolo Bonzini, 2017/08/23
- Re: [Qemu-devel] make check speed, Thomas Huth, 2017/08/23