Re: [PATCH v3 4/6] mm: ioremap: Add arch_ioremap/iounmap()

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To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH v3 4/6] mm: ioremap: Add arch_ioremap/iounmap()
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Date: Wed, 1 Jun 2022 09:05:28 +0800
Cc: Arnd Bergmann <arnd@xxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Linux ARM <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Linux-MM <linux-mm@xxxxxxxxx>, "Anshuman Khandual" <anshuman.khandual@xxxxxxx>
In-reply-to: <YpWx7w01ySsqECmE@infradead.org>
References: <20220519082552.117736-1-wangkefeng.wang@huawei.com> <20220519082552.117736-5-wangkefeng.wang@huawei.com> <CAK8P3a1DbNY6NzcwzjVFvd9yw6L3YBHQos_hmE=nG=6cuv1DAg@mail.gmail.com> <4c848b48-6ddf-664a-6296-d85ab49a694d@huawei.com> <CAK8P3a19S8CFxJKQo_8UXSKA0L8J40DsjL+u649oDhqUPHSW7A@mail.gmail.com> <f9bbfe38-ce1d-b4c4-6acf-4b81e6587e2d@huawei.com> <YpWx7w01ySsqECmE@infradead.org>
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On 2022/5/31 14:13, Christoph Hellwig wrote:

On Tue, May 24, 2022 at 10:53:54PM +0800, Kefeng Wang wrote:

Christoph  suggested in the first version,

https://lore.kernel.org/linux-arm-kernel/Ymq2uX%2FY15HlIpo7@xxxxxxxxxxxxx/

Yeah, mostly to eventually also covers mips.  But if this causes
problems now please just dumb it down and we can revisit the interface
when actually needed.
.

OK， will rethink the return value and resend after 5.19-rc1， thanks all.

References:
- [PATCH v3 0/6] arm64: Cleanup ioremap() and support ioremap_prot()
  - From: Kefeng Wang
- [PATCH v3 4/6] mm: ioremap: Add arch_ioremap/iounmap()
  - From: Kefeng Wang
- Re: [PATCH v3 4/6] mm: ioremap: Add arch_ioremap/iounmap()
  - From: Arnd Bergmann
- Re: [PATCH v3 4/6] mm: ioremap: Add arch_ioremap/iounmap()
  - From: Kefeng Wang
- Re: [PATCH v3 4/6] mm: ioremap: Add arch_ioremap/iounmap()
  - From: Arnd Bergmann
- Re: [PATCH v3 4/6] mm: ioremap: Add arch_ioremap/iounmap()
  - From: Kefeng Wang
- Re: [PATCH v3 4/6] mm: ioremap: Add arch_ioremap/iounmap()
  - From: Christoph Hellwig

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