Re: [PATCH 05/26] openrisc: map as uncached in ioremap
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- To: Christoph Hellwig <hch@xxxxxx>
- Subject: Re: [PATCH 05/26] openrisc: map as uncached in ioremap
- From: Stafford Horne <shorne@xxxxxxxxx>
- Date: Fri, 23 Aug 2019 22:55:39 +0900
- Cc: 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>, x86@xxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-snps-arc@xxxxxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-hexagon@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, nios2-dev@xxxxxxxxxxxxxxxxxxxxxx, openrisc@xxxxxxxxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, linux-xtensa@xxxxxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- In-reply-to: <20190817073253.27819-6-hch@lst.de>
- References: <20190817073253.27819-1-hch@lst.de> <20190817073253.27819-6-hch@lst.de>
- User-agent: Mutt/1.11.4 (2019-03-13)
On Sat, Aug 17, 2019 at 09:32:32AM +0200, Christoph Hellwig wrote:
> Openrisc is the only architecture not mapping ioremap as uncached,
> which has been the default since the Linux 2.6.x days. Switch it
> over to implement uncached semantics by default.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> arch/openrisc/include/asm/io.h | 20 +++-----------------
> arch/openrisc/include/asm/pgtable.h | 2 +-
> arch/openrisc/mm/ioremap.c | 8 ++++----
> 3 files changed, 8 insertions(+), 22 deletions(-)
Acked-by: Stafford Horne <shorne@xxxxxxxxx>
Thanks,
-Stafford
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