linux-kernel - Re: [PATCH] LoongArch: Use TLB for ioremap()

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Date:   Mon, 22 Aug 2022 10:19:22 +0800
From:   Huacai Chen <chenhuacai@...nel.org>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Huacai Chen <chenhuacai@...ngson.cn>,
        Arnd Bergmann <arnd@...db.de>, loongarch@...ts.linux.dev,
        linux-arch <linux-arch@...r.kernel.org>,
        Xuefeng Li <lixuefeng@...ngson.cn>,
        Guo Ren <guoren@...nel.org>, Xuerui Wang <kernel@...0n.name>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] LoongArch: Use TLB for ioremap()

Hi, Christoph

On Sun, Aug 21, 2022 at 9:23 PM Christoph Hellwig <hch@...radead.org> wrote:
>
> On Mon, Aug 15, 2022 at 08:46:12PM +0800, Huacai Chen wrote:
> > We can support more cache attributes (CC, SUC and WUC) and page
> > protection when we use TLB for ioremap().
>
> Please build this on top of the series that extents the generic ioremap
> code for these use cases instead of duplicating the generic ioremap
> code.
OK, let me try, thanks.

Huacai
>