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Date: Wed, 10 Apr 2013 14:12:42 +0200
Message-ID: <CABPqkBQS3ikJWd6yXjjSKdEW3M2pNYzTSs2d56=VTx=aomWUYg@mail.gmail.com>
Subject: Re: [PATCH RESEND 0/3] perf, amd: Support for Family 16h L2I
 Performance Counters
From: Stephane Eranian <eranian@google.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>, Jacob Shin <jacob.shin@amd.com>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        "H. Peter Anvin" <hpa@zytor.com>, Thomas Gleixner <tglx@linutronix.de>,
        x86 <x86@kernel.org>, Jiri Olsa <jolsa@redhat.com>,
        LKML <linux-kernel@vger.kernel.org>
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On Wed, Apr 10, 2013 at 1:56 PM, Ingo Molnar <mingo@kernel.org> wrote:
>
> * Peter Zijlstra <peterz@infradead.org> wrote:
>
>> On Wed, 2013-04-10 at 13:49 +0200, Peter Zijlstra wrote:
>>
>> > Hmm.. the 15h old interface bits got merged? I thought I kept telling
>> > that should be done like the intel uncore stuff since the hardware
>> > interface wasn't retarded anymore.
>>
>> Ah well, that crap seems to have slipped in in Feb when I was still a
>> near vegetable and not paying much attention.
>>
>> /me curses a bit.
>>
>> I don't suppose we can deprecate it and remove this stuff?
>
> I think we can - if there's a functional replacement.
>
Does the existing code expose a type in sysfs?
If not then you cannot do this transparently, I am afraid
because the syntax would be different, i.e., not cpu/...

I reviewed the code and tested it. But at the time, I thought
you had agreed on the approach used.
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