linux-kernel - Re: [PATCH v2 1/5] x86: Move per cpu cpu_llc_shared_map to a field in struct cpuinfo

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Message-ID: <4F448DBD.6030300@zytor.com>
Date:	Tue, 21 Feb 2012 22:39:57 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Kevin Winchester <kjwinchester@...il.com>
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	Borislav Petkov <bp@...en8.de>,
	Randy Dunlap <rdunlap@...otime.net>,
	Nick Bowler <nbowler@...iptictech.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/5] x86: Move per cpu cpu_llc_shared_map to a field
 in struct cpuinfo_x86

On 02/21/2012 05:45 PM, Kevin Winchester wrote:
> Commit 141168c36cde ("x86: Simplify code by removing a !SMP #ifdefs from
> 'struct cpuinfo_x86'") caused the compilation error:
> 
> mce_amd.c:(.cpuinit.text+0x4723): undefined reference to 'cpu_llc_shared_map'
> 
> by removing an #ifdef CONFIG_SMP around a block containing a reference
> to cpu_llc_shared_map.  Rather than replace the #ifdef, move
> cpu_llc_shared_map to be a new cpumask_t field llc_shared_map in
> struct cpuinfo_x86 and adjust all references to cpu_llc_shared_map.
> 

I'm not comfortable with a patch this large after we are already at
-rc4.  Please send a minimal patch to fix the failure for v3.3, and then
a patch on top of that which we can queue up with the rest of the
patchset to for v3.4.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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