Re: [PATCH 07/28] 53c700: improve non-coherent DMA handling
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- To: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
- Subject: Re: [PATCH 07/28] 53c700: improve non-coherent DMA handling
- From: Matthew Wilcox <willy@xxxxxxxxxxxxx>
- Date: Tue, 1 Sep 2020 16:05:54 +0100
- Cc: 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: <1598971960.4238.5.camel@HansenPartnership.com>
- References: <20200819065555.1802761-1-hch@lst.de> <20200819065555.1802761-8-hch@lst.de> <1598971960.4238.5.camel@HansenPartnership.com>
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 ...
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