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

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To: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH 07/28] 53c700: improve non-coherent DMA handling
From: Helge Deller <deller@xxxxxx>
Date: Wed, 2 Sep 2020 17:00:51 +0200
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>, Seung-Woo Kim <sw0312.kim@xxxxxxxxxxx>, Kyungmin Park <kyungmin.park@xxxxxxxxxxx>, Ben Skeggs <bskeggs@xxxxxxxxxx>, Pawel Osciak <pawel@xxxxxxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, Matt Porter <mporter@xxxxxxxxxxxxxxxxxxx>, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, Tom Lendacky <thomas.lendacky@xxxxxxx>, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, linux-samsung-soc@xxxxxxxxxxxxxxx, nouveau@xxxxxxxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, alsa-devel@xxxxxxxxxxxxxxxx
In-reply-to: <20200901165311.GS14765@casper.infradead.org>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0

Hi Willy,

On 01.09.20 18:53, Matthew Wilcox wrote:
> On Tue, Sep 01, 2020 at 06:41:12PM +0200, Helge Deller wrote:
>>> 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:
>
> The 715/64 is a 7100LC machine though.  I think you need to boot on
> the 730 to test the non-coherent path.

Just tested the 730, and it works as well.

Helge

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References:
- a saner API for allocating DMA addressable pages
  - From: Christoph Hellwig
- [PATCH 07/28] 53c700: improve non-coherent DMA handling
  - From: Christoph Hellwig
- Re: [PATCH 07/28] 53c700: improve non-coherent DMA handling
  - From: James Bottomley
- Re: [PATCH 07/28] 53c700: improve non-coherent DMA handling
  - From: Matthew Wilcox
- Re: [PATCH 07/28] 53c700: improve non-coherent DMA handling
  - From: James Bottomley
- Re: [PATCH 07/28] 53c700: improve non-coherent DMA handling
  - From: Helge Deller
- Re: [PATCH 07/28] 53c700: improve non-coherent DMA handling
  - From: Helge Deller
- Re: [PATCH 07/28] 53c700: improve non-coherent DMA handling
  - From: Matthew Wilcox

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