linux-kernel - Re: [PATCH 10/21] asm-generic: ioremap_uc should behave the same with and without MMU

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Date:   Mon, 11 Nov 2019 20:33:17 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Christoph Hellwig <hch@....de>
Cc:     Guo Ren <guoren@...nel.org>, Michal Simek <monstr@...str.eu>,
        Greentime Hu <green.hu@...il.com>,
        Vincent Chen <deanbo422@...il.com>,
        Guan Xuetao <gxt@....edu.cn>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        alpha <linux-alpha@...r.kernel.org>,
        "open list:SYNOPSYS ARC ARCHITECTURE" 
        <linux-snps-arc@...ts.infradead.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:QUALCOMM HEXAGON..." <linux-hexagon@...r.kernel.org>,
        linux-ia64@...r.kernel.org,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        linux-mips@...r.kernel.org,
        "moderated list:NIOS2 ARCHITECTURE" 
        <nios2-dev@...ts.rocketboards.org>, openrisc@...ts.librecores.org,
        Parisc List <linux-parisc@...r.kernel.org>,
        linux-riscv@...ts.infradead.org,
        linux-s390 <linux-s390@...r.kernel.org>,
        Linux-sh list <linux-sh@...r.kernel.org>,
        sparclinux <sparclinux@...r.kernel.org>,
        linux-xtensa@...ux-xtensa.org,
        linux-mtd <linux-mtd@...ts.infradead.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 10/21] asm-generic: ioremap_uc should behave the same with
 and without MMU

On Mon, Nov 11, 2019 at 11:29 AM Christoph Hellwig <hch@....de> wrote:
>
> On Mon, Nov 11, 2019 at 11:27:27AM +0100, Arnd Bergmann wrote:
> > Ok, fair enough. Let's just go with your version for now, if only to not
> > hold your series up more. I'd still suggest we change atyfb to only
> > use ioremap_uc() on i386 and maybe ia64. I can send a patch for that.
>
> I don't think we even need it on ia64.  But lets kick off a dicussion
> with the atyfb, x86 and ia64 maintainers after this series is in.
> Which was kinda my plan anyway.

I missed your reply and already sent my patch now. I guess it doesn't
hurt to discuss that in parallel. Anyway I think that this patch is the
last one you want an Ack from me for (let me know if I missed one), so

Reviewed-by: Arnd Bergmann <arnd@...db.de>