linux-kernel - Re: arch/x86/kernel/test

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Date:	Wed, 30 Jan 2008 21:00:04 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Arjan van de Ven <arjan@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>, hpa@...or.com,
	linux-kernel@...r.kernel.org
Subject: Re: arch/x86/kernel/test_nx.c compile error

On Wed, Jan 30, 2008 at 07:44:32PM +0100, Ingo Molnar wrote:
> 
> * Ingo Molnar <mingo@...e.hu> wrote:
> 
> > does the patch below help?
> 
> uhm, the one below instead.
> 
> 	Ingo
> 
> ------------>
> Subject: x86: fix arch/x86/kernel/test_nx.c modular build bug
> From: Ingo Molnar <mingo@...e.hu>
> 
> fix this modular build bug:
> 
> >   CC [M]  arch/x86/kernel/test_nx.o
> > {standard input}: Assembler messages:
> > {standard input}:58: Error: cannot represent relocation type BFD_RELOC_64
> > {standard input}:59: Error: cannot represent relocation type BFD_RELOC_64
> > make[2]: *** [arch/x86/kernel/test_nx.o] Error 1
> > make[1]: *** [arch/x86/kernel] Error 2
> 
> Reported-by: Adrian Bunk <bunk@...nel.org>
> Signed-off-by: Ingo Molnar <mingo@...e.hu>
> ---
>  arch/x86/kernel/test_nx.c |    5 +++++
>  1 file changed, 5 insertions(+)
> 
> Index: linux-x86.q/arch/x86/kernel/test_nx.c
> ===================================================================
> --- linux-x86.q.orig/arch/x86/kernel/test_nx.c
> +++ linux-x86.q/arch/x86/kernel/test_nx.c
> @@ -91,8 +91,13 @@ static noinline int test_address(void *a
>  		".previous\n"
>  		".section __ex_table,\"a\"\n"
>  		"       .align 8\n"
> +#ifdef CONFIG_X86_32
> +		"	.long 0b\n"
> +		"	.long 2b\n"
> +#endif
>  		"	.quad 0b\n"
>  		"	.quad 2b\n"
> +#else
>...

You don't test whether your patches compile?  ;-)

After the obvious fix it compiled.

Why wasn't this issue found before it entered Linus' tree?

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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