linux-kernel - Re: [PATCH 03/10] binfmt_elf: allow arch code to examine PT_LOPROC ... PT

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Message-ID: <20141113001618.GC3839@linux-mips.org>
Date:	Thu, 13 Nov 2014 01:16:19 +0100
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	Thierry Reding <thierry.reding@...il.com>
Cc:	Paul Burton <paul.burton@...tec.com>, linux-mips@...ux-mips.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/10] binfmt_elf: allow arch code to examine PT_LOPROC
 ... PT_HIPROC headers

On Wed, Nov 12, 2014 at 02:41:04PM +0100, Thierry Reding wrote:

> Hi Ralf,
> 
> This commit showed up in linux-next and causes a warning in linux/elf.h
> because it doesn't know struct file. I've fixed it locally with this:
> 
> ---
> diff --git a/include/linux/elf.h b/include/linux/elf.h
> index 6bd15043a585..dac5caaa3509 100644
> --- a/include/linux/elf.h
> +++ b/include/linux/elf.h
> @@ -4,6 +4,8 @@
>  #include <asm/elf.h>
>  #include <uapi/linux/elf.h>
>  
> +struct file;
> +
>  #ifndef elf_read_implies_exec
>    /* Executables for which elf_read_implies_exec() returns TRUE will
>       have the READ_IMPLIES_EXEC personality flag set automatically.
> ---
> 
> Would you mind squashing that into the above commit to get rid of the
> warning?

To fix the warnings reported by sfr on powerpc64 this morning I moved
most of the code added to <linux/elf.h> into fs/binfmt_elf.c.  That
should also have taken care of the warnings you saw for ARM.

  Ralf
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