Re: [PATCH 08/26] m68k: simplify ioremap_nocache
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- To: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
- Subject: Re: [PATCH 08/26] m68k: simplify ioremap_nocache
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Mon, 19 Aug 2019 11:18:46 +0200
- Cc: Christoph Hellwig <hch@xxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Guo Ren <guoren@xxxxxxxxxx>, Michal Simek <monstr@xxxxxxxxx>, Greentime Hu <green.hu@xxxxxxxxx>, Vincent Chen <deanbo422@xxxxxxxxx>, Guan Xuetao <gxt@xxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, alpha <linux-alpha@xxxxxxxxxxxxxxx>, arcml <linux-snps-arc@xxxxxxxxxxxxxxxxxxx>, Linux ARM <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, "open list:QUALCOMM HEXAGON..." <linux-hexagon@xxxxxxxxxxxxxxx>, "linux-ia64@xxxxxxxxxxxxxxx" <linux-ia64@xxxxxxxxxxxxxxx>, linux-m68k <linux-m68k@xxxxxxxxxxxxxxx>, linux-mips@xxxxxxxxxxxxxxx, nios2-dev@xxxxxxxxxxxxxxxxxxxxxx, Openrisc <openrisc@xxxxxxxxxxxxxxxxxxxx>, Parisc List <linux-parisc@xxxxxxxxxxxxxxx>, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-s390 <linux-s390@xxxxxxxxxxxxxxx>, Linux-sh list <linux-sh@xxxxxxxxxxxxxxx>, sparclinux <sparclinux@xxxxxxxxxxxxxxx>, linux-xtensa@xxxxxxxxxxxxxxxx, MTD Maling List <linux-mtd@xxxxxxxxxxxxxxxxxxx>, Linux-Arch <linux-arch@xxxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>
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- References: <20190817073253.27819-1-hch@lst.de> <20190817073253.27819-9-hch@lst.de> <CAMuHMdWyXGjokWi7tn9JHCTz9YMb_vHn6XKeE7KzH5n-54Sy0A@mail.gmail.com>
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On Mon, Aug 19, 2019 at 10:56:02AM +0200, Geert Uytterhoeven wrote:
> BTW, shouldn't we get rid of the sole user of ioremap_uc(), too?
> Seems to make a difference on x86 only, where it is "strongly uncached"
> (whatever that may mean ;-)
Yes, we probably should. However that actually seems worth a discussion
so I wanted to defer it until after this already huge series.
Another thing we can do after this series is to kill of ioremap_nocache.
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