Matthew Wilcox
2020-Sep-01 15:05 UTC
[Nouveau] [PATCH 07/28] 53c700: improve non-coherent DMA handling
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 ...
Helge Deller
2020-Sep-01 16:21 UTC
[Nouveau] [PATCH 07/28] 53c700: improve non-coherent DMA handling
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
Apparently Analagous Threads
- [PATCH 07/28] 53c700: improve non-coherent DMA handling
- [PATCH 07/28] 53c700: improve non-coherent DMA handling
- [PATCH 07/28] 53c700: improve non-coherent DMA handling
- [PATCH 07/28] 53c700: improve non-coherent DMA handling
- [PATCH 07/28] 53c700: improve non-coherent DMA handling