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Message-ID: <1337340552.573.33.camel@twins>
Subject: Re: [PATCH] perf, x86: Update event scheduling constraints for AMD
 family 15h models
From: Peter Zijlstra <peterz@infradead.org>
To: Robert Richter <robert.richter@amd.com>
Cc: Ingo Molnar <mingo@kernel.org>, Stephane Eranian <eranian@google.com>,
        LKML <linux-kernel@vger.kernel.org>, stable@vger.kernel.org
Date: Fri, 18 May 2012 13:29:12 +0200
In-Reply-To: <1337337642-1621-1-git-send-email-robert.richter@amd.com>
References: <1337337642-1621-1-git-send-email-robert.richter@amd.com>
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On Fri, 2012-05-18 at 12:40 +0200, Robert Richter wrote:
> +               case 0x031:
> +                       if (hweight_long(hwc->config & ARCH_PERFMON_EVENTSEL_UMASK) <= 1)
> +                               return &amd_f15_PMC20;
> +                       return &emptyconstraint;
> +               case 0x1C0:
> +                       return &amd_f15_PMC53; 

Oh man, that's just vile.. I hope you've given your hardware team a big
hug for this.. :-)