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Re: [Qemu-devel] [PATCHv4 00/13] sun4m: sparc32_dma tidy-ups


From: Philippe Mathieu-Daudé
Subject: Re: [Qemu-devel] [PATCHv4 00/13] sun4m: sparc32_dma tidy-ups
Date: Mon, 30 Oct 2017 16:09:53 -0300

On Mon, Oct 30, 2017 at 4:00 PM, Mark Cave-Ayland
<address@hidden> wrote:
> On 27/10/17 17:42, Philippe Mathieu-Daudé wrote:
[...]
>> If you don't accept my comments (or don't have time) about keeping
>> "hw/sparc/sparc32_dma.h" generic and moving network/scsi parts in
>> "hw/sparc/sun4m.h" you can still add to your series:
>>
>> Acked-by: Philippe Mathieu-Daudé <address@hidden>
>
> Thanks for the review, I've added your R-B tags to the individual
> patches. Note that while potentially I could move the network/scsi parts
> to hw/sparc/sun4m.h I feel that it's a slightly better match for the
> SPARC32 DMA container device to remain in sparc32_dma.c. So for these
> patches I've just added your A-B tag.

OK.

>> Also while testing your series on a Debian image, I noted your series
>> results faster, I timed:
>>
>> master: 104s
>> your series: 85s (>20% faster!)
>
> Really? Is that for just this patchset or also with the v2 IOMMU
> patchset applied on top? I can't immediately see how moving the logic
> into sparc32_dma.c could make a difference here...

Yes, I was trying with both series applied, so this comment belong to
the other series (IOMMU).

Regards,

Phil.



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