linux-kernel - Re: [PATCH] MCE, AMD: Select SMP explicitly

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Date:	Thu, 2 Feb 2012 14:37:02 -0500
From:	Nick Bowler <nbowler@...iptictech.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Randy Dunlap <rdunlap@...otime.net>
Subject: Re: [PATCH] MCE, AMD: Select SMP explicitly

Hi,

On 2012-02-02 20:10 +0100, Borislav Petkov wrote:
> Randy Dunlap reported that building randconfigs which do not select
> CONFIG_SMP cause the following link error:
> 
> mce_amd.c:(.cpuinit.text+0x4723): undefined reference to `cpu_llc_shared_map'
> 
> Fix it.
> 
> Acked-by: Randy Dunlap <rdunlap@...otime.net>
> Link: http://lkml.kernel.org/r/4F298A6C.6010101@xenotime.net
> Signed-off-by: Borislav Petkov <bp@...en8.de>
[...]
>  config X86_MCE_AMD
>  	def_bool y
>  	prompt "AMD MCE features"
> -	depends on X86_MCE && X86_LOCAL_APIC
> +	depends on X86_MCE && X86_LOCAL_APIC && SMP

Is this feature truly irrelevant on UP systems?  I ask because I've
always enabled this option on my UP AMD systems in the past...

Cheers,
-- 
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)

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