linux-kernel - Re: Section mismatch warning patch

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Date:	Sat, 2 Feb 2008 15:02:33 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Peter Teoh <htmldeveloper@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Section mismatch warning patch - microcode.c

On Sat, Feb 02, 2008 at 04:39:02PM +0800, Peter Teoh wrote:
> The following errors during compilation is corrected by the following
> patch (against the latest linus tree):
> 
> WARNING: arch/x86/kernel/microcode.o(.exit.text+0x6): Section mismatch
> in reference from the function cleanup_module() to the variable
> .cpuinit.data:mc_cpu_notifier

I have missed this one when I did my last fix to that file.
But your patch is not good.

Annotating the microcode_exit() function with __init will
cause the kernel to drop the code long before we need it.

I will look into this later and post a fix for the warning.

	Sam

> @@ -831,7 +831,7 @@ static int __init microcode_init (void)
>         return 0;
>  }
> 
> -static void __exit microcode_exit (void)
> +static void __init microcode_exit (void)
>  {

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