linux-kernel - Re: [PATCH 08/19] Kbuild, lto, workaround: Don't warn for initcall

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Message-ID: <20140215213640.GC27587@ravnborg.org>
Date:	Sat, 15 Feb 2014 22:36:40 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org, x86@...nel.org,
	linux-kbuild@...r.kernel.org, mmarek@...e.cz,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 08/19] Kbuild, lto, workaround: Don't warn for
 initcall_reference in modpost

On Fri, Feb 14, 2014 at 10:21:32PM +0100, Andi Kleen wrote:
> From: Andi Kleen <ak@...ux.intel.com>
> 
> This reference is discarded, but can cause warnings when it refers to
> exit. Ignore for now.
> 
> This is a workaround and can be removed once we get rid of
> -fno-toplevel-reorder
> 
> Signed-off-by: Andi Kleen <ak@...ux.intel.com>
> ---
>  scripts/mod/modpost.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> index 4061098..1f1b154 100644
> --- a/scripts/mod/modpost.c
> +++ b/scripts/mod/modpost.c
> @@ -1455,6 +1455,10 @@ static void check_section_mismatch(const char *modname, struct elf_info *elf,
>  		to = find_elf_symbol(elf, r->r_addend, sym);
>  		tosym = sym_name(elf, to);
>  
> +		if (!strncmp(fromsym, "reference___initcall",
> +				sizeof("reference___initcall")-1))

Please use spaces around "-"

	Sam
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