Re: [PATCH 07/28] 53c700: improve non-coherent DMA handling

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On 01.09.20 17:22, James Bottomley wrote:
> On Tue, 2020-09-01 at 16:05 +0100, Matthew Wilcox wrote:
>> On Tue, Sep 01, 2020 at 07:52:40AM -0700, James Bottomley wrote:
>>> I think this looks mostly OK, except for one misnamed parameter
>>> below. Unfortunately, the last non-coherent parisc was the 700
>>> series and I no longer own a box, so I can't test that part of it
>>> (I can fire up the C360 to test it on a coherent arch).
>>
>> I have a 715/50 that probably hasn't been powered on in 15 years if
>> you need something that old to test on (I believe the 725/100 uses
>> the 7100LC and so is coherent).  I'll need to set up a cross-compiler
>> ...
>
> I'm not going to say no to actual testing, but it's going to be a world
> of pain getting something so old going.  I do have a box of older
> systems I keep for architectural testing that I need to rummage around
> in ... I just have a vague memory that my 715 actually caught fire a
> decade ago and had to be disposed of.

I still have a zoo of machines running for such testing, including a
715/64 and two 730.
I'm going to test this git tree on the 715/64:
git://git.infradead.org/users/hch/misc.git dma_alloc_pages

Helge





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