linux-kernel - Re: [PATCH] x86: Move llc_shared_map out of cpu

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Date:	Sat, 22 Jan 2011 11:14:03 +0100
From:	Borislav Petkov <bp@...64.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, Tejun Heo <tj@...nel.org>,
	"Herrmann3, Andreas" <Andreas.Herrmann3@....com>,
	"Richter, Robert" <robert.richter@....com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	"Rosenfeld, Hans" <Hans.Rosenfeld@....com>,
	Alok N Kataria <akataria@...are.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	"Hans J. Koch" <hjk@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: Move llc_shared_map out of cpu_info

On Fri, Jan 21, 2011 at 06:29:44PM -0500, Yinghai Lu wrote:
> 
> cpu_info is already with per_cpu, We can take llc_shared_map out of cpu_info,
> and declare it as per_cpu variable directly.
> 
> So later referencing could be simple and directly instead of diving to find
> cpu_info at first.
> 
> Also could make smp_store_cpu_info() much simple to avoid to do save and restore trick.
> 
> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>

Yep, it's only natural to do that.

Acked-by: Borislav Petkov <borislav.petkov@....com>

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
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