linux-kernel - Re: [PATCH 03/12] x86/rdt: Add rdt common/cqm compile option

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Date:   Mon, 16 Jan 2017 19:05:57 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Vikas Shivappa <vikas.shivappa@...ux.intel.com>
cc:     vikas.shivappa@...el.com, davidcc@...gle.com, eranian@...gle.com,
        linux-kernel@...r.kernel.org, x86@...nel.org, hpa@...or.com,
        mingo@...nel.org, peterz@...radead.org, ravi.v.shankar@...el.com,
        tony.luck@...el.com, fenghua.yu@...el.com, andi.kleen@...el.com,
        h.peter.anvin@...el.com
Subject: Re: [PATCH 03/12] x86/rdt: Add rdt common/cqm compile option

On Fri, 6 Jan 2017, Vikas Shivappa wrote:
> Add a compile option INTEL_RDT which enables common code for all
> RDT(Resource director technology) and a specific INTEL_RDT_M which
> enables code for RDT monitoring. CQM(cache quality monitoring) and
> mbm(memory b/w monitoring) are part of Intel RDT monitoring.

If we handle this with its own config option, can you please make this
thing modular? There is no point to have this compiled in and wasting
memory if it's not supported by the CPU.

Thanks,

	tglx