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

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Message-ID: <20080130184218.GB27168@elte.hu>
Date:	Wed, 30 Jan 2008 19:42:18 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Adrian Bunk <bunk@...nel.org>
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


* Adrian Bunk <bunk@...nel.org> wrote:

> ...
>   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
> make: *** [sub-make] Error 2

does the patch below help?

	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
 		".previous\n"
 		: [rslt] "=r" (result)
 		: [fake_code] "r" (address), [zero] "r" (0UL), "0" (result)
--
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