linux-kernel - Re: [PATCH 4/4] m68knommu: allow elf

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Date:   Thu, 28 Apr 2022 23:41:17 +1000
From:   Greg Ungerer <gerg@...ux-m68k.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Linux/m68k <linux-m68k@...r.kernel.org>,
        Linux MM <linux-mm@...ck.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Rich Felker <dalias@...c.org>
Subject: Re: [PATCH 4/4] m68knommu: allow elf_fdpic loader to be selected

Hi Geert,

On 28/4/22 17:20, Geert Uytterhoeven wrote:
> Hi Greg,
> 
> On Thu, Apr 28, 2022 at 7:05 AM Greg Ungerer <gerg@...ux-m68k.org> wrote:
>> The m68k architecture code is capable of supporting the binfmt_elf_fdpic
>> loader, so allow it to be configured. It is restricted to nommu
>> configurations at this time due to the MMU context structures/code not
>> supporting everything elf_fdpic needs when MMU is enabled.
>>
>> Signed-off-by: Greg Ungerer <gerg@...ux-m68k.org>
> 
> Reviewed-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> 
>> --- a/fs/Kconfig.binfmt
>> +++ b/fs/Kconfig.binfmt
>> @@ -58,7 +58,7 @@ config ARCH_USE_GNU_PROPERTY
>>   config BINFMT_ELF_FDPIC
>>          bool "Kernel support for FDPIC ELF binaries"
>>          default y if !BINFMT_ELF
>> -       depends on (ARM || (SUPERH && !MMU))
>> +       depends on (ARM || ((M68K || SUPERH) && !MMU))
> 
> While at it, you may want to drop the unneeded outer parentheses,
> as they make the expression harder to round, IMHO.

Sure thing, will do,

Regards
Greg


>>          select ELFCORE
>>          help
>>            ELF FDPIC binaries are based on ELF, but allow the individual load
> 
> 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