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

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Message-ID: <20170815091338.GA3317@hc>
Date:   Tue, 15 Aug 2017 11:13:38 +0200
From:   Jan Glauber <jan.glauber@...iumnetworks.com>
To:     Will Deacon <will.deacon@....com>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Borislav Petkov <bp@...en8.de>,
        David Daney <ddaney.cavm@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Suzuki K Poulose <Suzuki.Poulose@....com>,
        linux-pci@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v8 1/3] perf: cavium: Support memory controller PMU
 counters

On Tue, Aug 08, 2017 at 02:25:10PM +0100, Will Deacon wrote:
> On Fri, Jul 28, 2017 at 04:12:33PM -0700, Greg KH wrote:
> > On Thu, Jul 27, 2017 at 03:15:15PM +0200, Borislav Petkov wrote:
> > > On Thu, Jul 27, 2017 at 11:08:56AM +0200, Jan Glauber wrote:
> > > > OK. As fixing the firmware will take quite some time I'll go for the memory
> > > > controller driver that starts EDAC / PMU depending on their CONFIG_.
> > > > 
> > > > What would be the proper location for the multiplexer?
> > > > drivers/soc/cavium or drivers/misc?
> > > 
> > > Uff, no idea. Greg? You're the special drivers guy. :-)
> > 
> > Start out in misc/ and let's see the code to determine if it should be
> > moved elsewhere.
> 
> Jan, are you ok making this change, or are you waiting for anything else
> from us? (Mark and I are just going through the pending PMU patches and
> we're not clear on the status of this one).

Hi Will,
it's my turn but I was on vacation. It was not completely trivial (well,
to me) to get the multiplexing working with modules but I'll look at it
again this week.

Cheers,
Jan