linux-kernel - Re: [PATCH v8 1/3] perf: cavium: Support memory controller PMU counters

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Date:   Thu, 27 Jul 2017 07:11:57 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     David Daney <ddaney.cavm@...il.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        Suzuki K Poulose <Suzuki.Poulose@....com>,
        linux-pci@...r.kernel.org, Will Deacon <will.deacon@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jan Glauber <jan.glauber@...iumnetworks.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v8 1/3] perf: cavium: Support memory controller PMU
 counters

On Wed, Jul 26, 2017 at 02:02:42PM -0700, David Daney wrote:
> Also, if a given configuration disables CONFIG_EDAC there is some hackery
> needed to get the perf portion of the driver included.

Yes, and we don't do performance counters in EDAC.

So you could add a small memory controller driver which does the
arbitration or fix the firmware.

-- 
Regards/Gruss,
    Boris.

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