linux-kernel - Re: [PATCH v9 10/12] riscv: remove FIXMAP_PAGE

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Date:   Wed, 13 Apr 2022 13:41:18 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Wei Fu <wefu@...hat.com>, liush <liush@...winnertech.com>,
        Atish Patra <atishp@...shpatra.org>,
        Anup Patel <anup@...infault.org>,
        Drew Fustini <drew@...gleboard.org>,
        Christoph Hellwig <hch@....de>, Arnd Bergmann <arnd@...db.de>,
        Chen-Yu Tsai <wens@...e.org>,
        Maxime Ripard <maxime@...no.tech>,
        Greg Favor <gfavor@...tanamicro.com>,
        Andrea Mondelli <andrea.mondelli@...wei.com>,
        Jonathan Behrens <behrensj@....edu>,
        "Xinhaoqu (Freddie)" <xinhaoqu@...wei.com>,
        Nick Kossifidis <mick@....forth.gr>,
        Allen Baum <allen.baum@...erantotech.com>,
        Josh Scheid <jscheid@...tanamicro.com>,
        Richard Trauben <rtrauben@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Christoph Muellner <cmuellner@...ux.com>,
        Philipp Tomsich <philipp.tomsich@...ll.eu>
Subject: Re: [PATCH v9 10/12] riscv: remove FIXMAP_PAGE_IO and fall back to
 its default value

Reviewed-by: Guo Ren <guoren@...nel.org>

On Wed, Apr 13, 2022 at 11:05 AM Heiko Stuebner <heiko@...ech.de> wrote:
>
> If not defined in the arch, FIXMAP_PAGE_IO defaults to PAGE_KERNEL_IO,
> which we defined when adding the svpbmt implementation.
>
> So drop the FIXMAP_PAGE_IO riscv define.
>
> Signed-off-by: Heiko Stuebner <heiko@...ech.de>
> Reviewed-by: Christoph Hellwig <hch@....de>
> ---
>  arch/riscv/include/asm/fixmap.h | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/arch/riscv/include/asm/fixmap.h b/arch/riscv/include/asm/fixmap.h
> index 3cfece8b6568..5c3e7b97fcc6 100644
> --- a/arch/riscv/include/asm/fixmap.h
> +++ b/arch/riscv/include/asm/fixmap.h
> @@ -45,8 +45,6 @@ enum fixed_addresses {
>         __end_of_fixed_addresses
>  };
>
> -#define FIXMAP_PAGE_IO         PAGE_KERNEL
> -
>  #define __early_set_fixmap     __set_fixmap
>
>  #define __late_set_fixmap      __set_fixmap
> --
> 2.35.1
>


-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/