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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Gregoire Favre <gregoire.favre@gmail.com>
Subject: Re: 2.6.18-rc1-mm1 fails on amd64 (smp_call_function_single)
Date: Sun, 9 Jul 2006 22:39:48 +0200
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Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>,
       Andi Kleen <ak@suse.de>
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On Sunday 09 July 2006 13:49, Gregoire Favre wrote:
> Hello,
> 
> can't compil it :
> 
>   CHK     include/linux/compile.h
>   UPD     include/linux/compile.h
>   CC      init/version.o
>   LD      init/built-in.o
>   LD      .tmp_vmlinux1
> arch/x86_64/kernel/built-in.o: In function `vsyscall_set_cpu':
> (.init.text+0x1e87): undefined reference to `smp_call_function_single'
> make: *** [.tmp_vmlinux1] Error 1

This is because of x86_64-mm-getcpu-vsyscall.patch which breaks
compilation without SMP and is not obviously fixable.

I think you can safely revert it.

Greetings,
Rafael