Re: [PATCH] MCE, AMD: Select SMP explicitly

From: Nick Bowler
Date: Thu Feb 02 2012 - 14:37:08 EST


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@xxxxxxxxxxxx>
> Link:
> Signed-off-by: Borislav Petkov <bp@xxxxxxxxx>
> 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...

Nick Bowler, Elliptic Technologies (

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