linux-kernel - Re: [PATCH] kexec jump: fix code size checking

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Message-ID: <20080813024701.GA19201@verge.net.au>
Date:	Wed, 13 Aug 2008 12:47:04 +1000
From:	Simon Horman <horms@...ge.net.au>
To:	Huang Ying <ying.huang@...el.com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Pavel Machek <pavel@....cz>, nigel@...el.suspend2.net,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Vivek Goyal <vgoyal@...hat.com>, mingo@...e.hu,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Kexec Mailing List <kexec@...ts.infradead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kexec jump: fix code size checking

On Wed, Aug 13, 2008 at 09:04:35AM +0800, Huang Ying wrote:
> Fix building issue when CONFIG_KEXEC=n. Thanks to Vivek Goyal for his
> reminding.
> 
> Signed-off-by: Huang Ying <ying.huang@...el.com>
> 
> ---
>  include/asm-x86/kexec.h |    3 +++
>  1 file changed, 3 insertions(+)
> 
> --- a/include/asm-x86/kexec.h
> +++ b/include/asm-x86/kexec.h
> @@ -43,6 +43,9 @@
>  
>  #ifdef CONFIG_X86_32
>  # define KEXEC_CONTROL_CODE_MAX_SIZE	2048
> +# ifndef CONFIG_KEXEC
> +#  define kexec_control_code_size	0
> +# endif
>  #endif
>  
>  #ifndef __ASSEMBLY__

Is it impossible to skip the linker check in the !CONFIG_KEXEC case?

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