Re: [PATCH 12/12] dma-mapping: turn dma_cache_sync into a dma_map_ops method
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- To: Christoph Hellwig <hch@xxxxxx>
- Subject: Re: [PATCH 12/12] dma-mapping: turn dma_cache_sync into a dma_map_ops method
- From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
- Date: Mon, 28 Aug 2017 08:26:29 +0200
- Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, Michal Simek <monstr@xxxxxxxxx>, David Howells <dhowells@xxxxxxxxxx>, Guan Xuetao <gxt@xxxxxxxxxxxxxxx>, Chris Zankel <chris@xxxxxxxxxx>, Max Filippov <jcmvbkbc@xxxxxxxxx>, "the arch/x86 maintainers" <x86@xxxxxxxxxx>, Linux MIPS Mailing List <linux-mips@xxxxxxxxxxxxxx>, "linux-ia64@xxxxxxxxxxxxxxx" <linux-ia64@xxxxxxxxxxxxxxx>, "linuxppc-dev@xxxxxxxxxxxxxxxx" <linuxppc-dev@xxxxxxxxxxxxxxxx>, "linux-xtensa@xxxxxxxxxxxxxxxx" <linux-xtensa@xxxxxxxxxxxxxxxx>, Linux-sh list <linux-sh@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>
- In-reply-to: <20170827161032.22772-13-hch@lst.de>
- References: <20170827161032.22772-1-hch@lst.de> <20170827161032.22772-13-hch@lst.de>
Hi Christoph,
On Sun, Aug 27, 2017 at 6:10 PM, Christoph Hellwig <hch@xxxxxx> wrote:
> After we removed all the dead wood it turns out only two architectures
> actually implement dma_cache_sync as a no-op: mips and parisc. Add
s/no-op/real op/
> a cache_sync method to struct dma_map_ops and implement it for the
> mips defualt DMA ops, and the parisc pa11 ops.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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