Re: [PATCH 00/12 v4] multiqueue for MMC/SD

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On Fri, Oct 27, 2017 at 2:59 PM, Adrian Hunter <adrian.hunter@xxxxxxxxx> wrote:
> On 27/10/17 14:25, Linus Walleij wrote:

>> It is indeed tough to juggle this with the pressure to "upstream
>> first" the BFQ scheduler policy that we are working on in Linaro
>> to increase interactivity. We need to enable this on devices
>> pronto and that means migrating MMC/SD to MQ and MQ only.
>> I have shared this motivation since the start, so it should come
>> as no surprise.
>
> IMHO BFQ is just another example of unnecessary delay.

I do not see it as a delay to anything, it is a motivation for
my work. I am telling you why I am still working on my patch
set, what is driving and motivating it.

I guess CQE is driving and motivating your work?

>> So I also have some pressure to "Get This Feature In Now".
>
> It has nothing to do with pressure.  It is about what is reasonable.
> Features should go in as soon as they are ready.  Ideally queued up in the
> same release cycle they are submitted.  If the code doesn't work right, then
> it can't go in straight away, but fake reasons for delaying things needs to
> stop.

I don't understand who you are addressing or accusing.

Nobody wants to delay CQE if that is what you are implying,
I want to see it supported as much as you do.

I just prefer to see MQ happen first, and now you say your patch
set does that and that is great, so I just need to review the code
better I guess?

Yours,
Linus Walleij



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