linux-kernel - Re: [PATCH 4/33] i386: CONFIG_PHYSICAL

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Message-ID: <20060801190838.GB12573@mars.ravnborg.org>
Date:	Tue, 1 Aug 2006 21:08:38 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	fastboot@...l.org, linux-kernel@...r.kernel.org,
	Horms <horms@...ge.net.au>,
	Jan Kratochvil <lace@...kratochvil.net>,
	"H. Peter Anvin" <hpa@...or.com>,
	Magnus Damm <magnus.damm@...il.com>,
	Vivek Goyal <vgoyal@...ibm.com>, Linda Wang <lwang@...hat.com>
Subject: Re: [PATCH 4/33] i386: CONFIG_PHYSICAL_START cleanup

On Tue, Aug 01, 2006 at 05:03:19AM -0600, Eric W. Biederman wrote:
> Defining __PHYSICAL_START and __KERNEL_START in asm-i386/page.h works but
> it triggers a full kernel rebuild for the silliest of reasons.  This
> modifies the users to directly use CONFIG_PHYSICAL_START and linux/config.h
> which prevents the full rebuild problem, which makes the code much
> more maintainer and hopefully user friendly.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>
> ---
>  arch/i386/boot/compressed/head.S |    8 ++++----
>  arch/i386/boot/compressed/misc.c |    8 ++++----
>  arch/i386/kernel/vmlinux.lds.S   |    3 ++-
>  include/asm-i386/page.h          |    3 ---
>  4 files changed, 10 insertions(+), 12 deletions(-)
> 
> diff --git a/arch/i386/boot/compressed/head.S b/arch/i386/boot/compressed/head.S
> index b5893e4..8f28ecd 100644
> --- a/arch/i386/boot/compressed/head.S
> +++ b/arch/i386/boot/compressed/head.S
> @@ -23,9 +23,9 @@
>   */
>  .text
>  
> +#include <linux/config.h>

You already have full access to all CONFIG_* symbols - kbuild includes
it on the commandline. So please kill this include.

	Sam
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