linux-kernel - Re: [PATCH] cacheinfo: Introduce cache id

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Message-ID: <20160704172929.GB6349@pd.tnic>
Date:	Mon, 4 Jul 2016 19:29:30 +0200
From:	Borislav Petkov <bp@...e.de>
To:	"Yu, Fenghua" <fenghua.yu@...el.com>
Cc:	"Luck, Tony" <tony.luck@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	"Anvin, H Peter" <h.peter.anvin@...el.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	"Shankar, Ravi V" <ravi.v.shankar@...el.com>,
	Vikas Shivappa <vikas.shivappa@...ux.intel.com>,
	linux-kernel <linux-kernel@...r.kernel.org>, x86 <x86@...nel.org>
Subject: Re: [PATCH] cacheinfo: Introduce cache id

On Fri, Jul 01, 2016 at 07:08:56PM +0000, Yu, Fenghua wrote:
> For L3 schema on a two socket system which has two L3 caches, user input:
> L3:0=3;1=f

Ok, so you basically want to read out the cache id from sysfs so that
userspace can configure CAT properly. Thanks for the detailed writeup.

Btw, some of that text should be added to

Documentation/ABI/testing/sysfs-devices-system-cpu

explaining the new 'id' node.

Thanks.

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--