Re: [Qemu-devel] [patch 2/6] Use machine options to emulate -no-kvm-irqchip

[Jan Kiszka]

On 2012-10-03 19:16, Anthony Liguori wrote:
> Jan Kiszka <address@hidden> writes:
> 
>> On 2012-10-03 17:03, Marcelo Tosatti wrote:
>>> On Wed, Oct 03, 2012 at 09:40:17AM -0500, Anthony Liguori wrote:
>>>> Marcelo Tosatti <address@hidden> writes:
>>>>
>>>>> Commit 3ad763fcba5bd0ec5a79d4a9b6baeef119dd4a3d from qemu-kvm.git.
>>>>>
>>>>> From: Jan Kiszka <address@hidden>
>>>>>     
>>>>> Upstream is moving towards this mechanism, so start using it in qemu-kvm
>>>>> already to configure the specific defaults: kvm enabled on, just like
>>>>> in-kernel irqchips.
>>>>>
>>>>> Signed-off-by: Marcelo Tosatti <address@hidden>
>>>>
>>>>
>>>> Reviewed-by: Anthony Liguori <address@hidden>
>>>>
>>>> Although it's a little odd to have From: Jan without a SoB...
>>>
>>> Agree, Jan can you ACK?
>>
>> I wasn't able to join the call yesterday: Is there a removal schedule
>> associated with those switches? Also, why pushing things upstream, even
>> when only for one release, that have been loudly deprecated for a while
>> in qemu-kvm? Some switches are lacking deprecated warnings on the
>> console, and -no-kvm is missing completely. I tend to focus on patch 1 &
>> 5, dropping the rest - based on relevance for production use.
> 
> The distros need to keep these flags to do the switch.

Why? Should be documented in commit log.

>  I see no point
> in deprecating them since they're trivially easy to maintain.

Given the level of cr** we already have in the command line, they are
kind of noise, yes. But even then, these patches are not consistent as
pointed out above.

Also, they should not be documented to avoid being spread. That's what
we did with other deprecated switches in QEMU.

Jan

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