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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 Andrew Morton <akpm@linux-foundation.org> - 2016-01-27 01:00 +0100
    Re: [PATCH v6 0/5] dma-mapping: Patches for speeding up allocation Doug Anderson <dianders@chromium.org> - 2016-01-27 01:40 +0100

#1318483 — Re: [PATCH v6 0/5] dma-mapping: Patches for speeding up allocation

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 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.

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.

Typo in 4/5 changelog: "reqiurements"

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#1318499

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?


-Doug

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