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Re: [PATCH v6 0/5] dma-mapping: Patches for speeding up allocation

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  Re: [PATCH v6 0/5] dma-mapping: Patches for speeding up allocation Olof Johansson <olof@lixom.net> - 2016-01-29 23:00 +0100

#1322122 — Re: [PATCH v6 0/5] dma-mapping: Patches for speeding up allocation

On Tue, Jan 26, 2016 at 4:39 PM, Doug Anderson <dianders@chromium.org> wrote:
> Hi,
>
> On Tue, Jan 26, 2016 at 3:59 PM, Andrew Morton
> <akpm@linux-foundation.org> wrote:
>> On Mon, 11 Jan 2016 09:30:22 -0800 Douglas Anderson <dianders@chromium.org> wrote:
>>
>>> This series of patches will speed up memory allocation in dma-mapping
>>> quite a bit.
>>
>> This is pretty much all ARM and driver stuff so I think I'll duck it.
>> But I can merge it if nobody else feels a need to.
>
> I was going to ask what the next steps were for this series.
> Presumably I could post the patch to Russell's patch tracker if folks
> want me to do that.  Alternatively it could go through the ARM-SOC
> tree?
>
>
>> I saw a few acked-by/tested-by/etc from the v5 posting which weren't
>> carried over into v6 (might have been a timing race), so please fix
>> that up if there's an opportunity.
>
> Right.  Both Robin and Tomasz gave their Reviewed-by to Patch #1 in v5
> even after v6 was posted.
>
>
>> Regarding the new DMA_ATTR_ALLOC_SINGLE_PAGES hint: I suggest adding
>> "DMA_ATTR_ALLOC_SINGLE_PAGES is presently implemented only on ARM" to
>> the docs.  Or perhaps have a shot at implementing it elsewhere.
>
> Warning sounds good.
>
>
>> Typo in 4/5 changelog: "reqiurements"
>
> Thanks for catching!
>
>
> I'm happy to post up a v6 with these things fixed or I'm happy for
> whoever is applying it to make these small fixes themselves.  Any
> volunteers?  Olof, Arnd, or Russell: any of you want these patches?

I think it makes sense to send these through Russell's tracker for him
to merge, especially since I don't think there are any dependencies on
them for SoC-specific patches coming up.


-Olof

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