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Date: Fri, 30 May 2014 09:31:53 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Andi Kleen <andi@firstfloor.org>
Cc: gleb@kernel.org, pbonzini@redhat.com, eranian@google.com,
        kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
        Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH 2/4] perf: Allow guest PEBS for KVM owned counters
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On Thu, May 29, 2014 at 06:12:05PM -0700, Andi Kleen wrote:
> From: Andi Kleen <ak@linux.intel.com>
> 
> Currently perf unconditionally disables PEBS for guest.
> 
> Now that we have the infrastructure in place to handle
> it we can allow it for KVM owned guest events. For
> the perf needs to know that a event is owned by
> a guest. Add a new state bit in the perf_event for that.
> 

This doesn't make sense; why does it need to be owned?