linux-kernel - Re: [RFC PATCH 0/3] m68k goes DT

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Message-ID: <CAMuHMdXU=nhd=fQLSmZQPey=uwD11w=mm=Q25ZWwbNQC1Ys=Cw@mail.gmail.com>
Date: Thu, 9 Jan 2025 11:31:10 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Daniel Palmer <daniel@...f.com>
Cc: fthain@...ux-m68k.org, linux-m68k@...ts.linux-m68k.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/3] m68k goes DT

Hi Daniel,

On Sun, Jan 5, 2025 at 8:15 AM Daniel Palmer <daniel@...f.com> wrote:
> - The head.S code sometimes gets stuck setting up the mmu on my MVME147 when
>   the kernel binary layout changes. I thought for a long time my new code was
>   wrong but then discovered just making the kernel bigger by adding some printk()s
>   also caused it.

What is your kernel size?  Perhaps the code to map 8 or 16 MiB of
the first memory chunk doesn't work on 68030?

There could also be some alignment issues.  IIRC, there is code that
expects the FDT to be 8-byte aligned.

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