linux-kernel - Re: [PATCH v2] ARM: decompress: Use /memreserve/ DTS nodes when validating memory

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Message-ID: <CAMuHMdViJU7Na8D0n=-xrF0OOCKMArg4vzjb7q73e4xpS1EtpQ@mail.gmail.com>
Date:   Tue, 7 Sep 2021 17:09:46 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Bert Vermeulen <bert@...t.com>
Cc:     Russell King <linux@...linux.org.uk>,
        Nicolas Pitre <nico@...xnic.net>,
        Ard Biesheuvel <ardb@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        John Crispin <john@...ozen.org>
Subject: Re: [PATCH v2] ARM: decompress: Use /memreserve/ DTS nodes when
 validating memory

On Tue, Sep 7, 2021 at 4:57 PM Bert Vermeulen <bert@...t.com> wrote:
> If the bootloader needs the start of memory to be preserved, for example
> because it dropped the Trusted Firmware blob there, this chunk of memory
> shouldn't be used by the kernel.
>
> To avoid adding yet another SoC-specific text offset to arch/arm/Makefile,
> this patch allows for a /memreserve/ entry in the DTS to mark off the
> memory chunk instead.
>
> Signed-off-by: Bert Vermeulen <bert@...t.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds