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Groups > linux.kernel > #1322120 > unrolled thread
| Started by | Doug Anderson <dianders@chromium.org> |
|---|---|
| First post | 2016-01-29 23:00 +0100 |
| Last post | 2016-01-29 23:20 +0100 |
| Articles | 2 — 1 participant |
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Re: [PATCH v6 0/5] dma-mapping: Patches for speeding up allocation Doug Anderson <dianders@chromium.org> - 2016-01-29 23:00 +0100
Re: [PATCH v6 0/5] dma-mapping: Patches for speeding up allocation Doug Anderson <dianders@chromium.org> - 2016-01-29 23:20 +0100
| From | Doug Anderson <dianders@chromium.org> |
|---|---|
| Date | 2016-01-29 23:00 +0100 |
| Subject | Re: [PATCH v6 0/5] dma-mapping: Patches for speeding up allocation |
| Message-ID | <qWpfc-V4-3@gated-at.bofh.it> |
Hi, On Fri, Jan 29, 2016 at 1:52 PM, Olof Johansson <olof@lixom.net> wrote: > 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. Sounds good. I'll make the nitfixes and I'll post a v7 directly to Russell's tracker. I'll follow up here with a link to those patches. -Doug
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| From | Doug Anderson <dianders@chromium.org> |
|---|---|
| Date | 2016-01-29 23:20 +0100 |
| Message-ID | <qWpyy-1lv-5@gated-at.bofh.it> |
| In reply to | #1322120 |
Hi, On Fri, Jan 29, 2016 at 1:58 PM, Doug Anderson <dianders@chromium.org> wrote: >> 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. > > Sounds good. I'll make the nitfixes and I'll post a v7 directly to > Russell's tracker. I'll follow up here with a link to those patches. For your viewing pleasure: 8505/1 dma-mapping: Optimize allocation http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=8505/1 8506/1 common: DMA-mapping: add DMA_ATTR_ALLOC_SINGLE_PAGES attribute http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=8506/1 8507/1 dma-mapping: Use DMA_ATTR_ALLOC_SINGLE_PAGES hint to optimize alloc http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=8507/1 8508/1 videobuf2-dc: Let drivers specify DMA attrs http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=8508/1 8509/1 s5p-mfc: Set DMA_ATTR_ALLOC_SINGLE_PAGES http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=8509/1 --- Changes in v7 (AKA the above patches): - Add Robin and Tomasz Reviewed-by. - Add Javier Tested-by. - Add note that this is only implemented on ARM (Andrew Morton). - Typo in commit message "reqiurements" (Andrew Morton). -Doug
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