Re: [PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_
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- To: Julian Calaby <julian.calaby@xxxxxxxxx>
- Subject: Re: [PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Thu, 4 Jan 2018 09:48:28 +0100
- Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, Linux MIPS Mailing List <linux-mips@xxxxxxxxxxxxxx>, linux-ia64@xxxxxxxxxxxxxxx, Linux-sh list <linux-sh@xxxxxxxxxxxxxxx>, sparclinux <sparclinux@xxxxxxxxxxxxxxx>, Guan Xuetao <gxt@xxxxxxxxxxxxxxx>, Linux-Arch <linux-arch@xxxxxxxxxxxxxxx>, linux-s390 <linux-s390@xxxxxxxxxxxxxxx>, linux-c6x-dev@xxxxxxxxxxxxx, "open list:QUALCOMM HEXAGON..." <linux-hexagon@xxxxxxxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, arcml <linux-snps-arc@xxxxxxxxxxxxxxxxxxx>, adi-buildroot-devel@xxxxxxxxxxxxxxxxxxxxx, linux-m68k <linux-m68k@xxxxxxxxxxxxxxx>, patches@xxxxxxxxxxxxxxxx, "open list:METAG ARCHITECTURE" <linux-metag@xxxxxxxxxxxxxxx>, "Mailing List, Arm" <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, Michal Simek <monstr@xxxxxxxxx>, Parisc List <linux-parisc@xxxxxxxxxxxxxxx>, Cris <linux-cris-kernel@xxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, alpha <linux-alpha@xxxxxxxxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx
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- References: <20171229081911.2802-1-hch@lst.de> <20171229081911.2802-17-hch@lst.de> <878tdgtwzp.fsf@concordia.ellerman.id.au> <CAMuHMdWWus2kNSOzS94k-3678826W1YjKwCWTquu3hBLZ80cvw@mail.gmail.com> <87h8s3cvel.fsf@concordia.ellerman.id.au> <CAMuHMdWYDz_jHNxQ-B8944520R-myzHkjkL1rKWUjA38inU7cw@mail.gmail.com> <CAGRGNgV+DnZAAtiE5oe8rxp4=_JHJrtSQc8F5jrgN0rgYKfwjA@mail.gmail.com>
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On Wed, Jan 03, 2018 at 07:19:46PM +1100, Julian Calaby wrote:
> If this is indeed a linear mapping, can we just remove this and
> replace it with the new "generic" mapping being introduced by this
> patchset?
That is the long-term plan. But as the powerpc one includes support
for non-coherent DMA it will have to wait for the next batch.
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