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From: Andi Kleen <ak@linux.intel.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Andi Kleen <andi@firstfloor.org>,
	gleb@kernel.org, pbonzini@redhat.com, eranian@google.com,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/4] perf: Handle guest PEBS events with a fake event
Date: Fri, 30 May 2014 09:29:18 -0700	[thread overview]
Message-ID: <20140530162918.GD8876@tassilo.jf.intel.com> (raw)
In-Reply-To: <20140530073439.GB20167@laptop.programming.kicks-ass.net>

On Fri, May 30, 2014 at 09:34:39AM +0200, Peter Zijlstra wrote:
> On Thu, May 29, 2014 at 06:12:06PM -0700, Andi Kleen wrote:
> 
> > Note: in very rare cases with exotic events this may lead to spurious PMIs
> > in the guest.
> 
> Qualify that statement so that if someone runs into it we at least know
> it is known/expected.

You cannot actually observe it, so it's not a real problem.
I'll drop the Note.

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only

  reply	other threads:[~2014-05-30 16:29 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-30  1:12 Implement PEBS virtualization for Silvermont Andi Kleen
2014-05-30  1:12 ` [PATCH 1/4] perf: Add PEBS virtualization enable " Andi Kleen
2014-05-30  1:12 ` [PATCH 2/4] perf: Allow guest PEBS for KVM owned counters Andi Kleen
2014-05-30  7:31   ` Peter Zijlstra
2014-05-30 16:03     ` Andi Kleen
2014-05-30 16:17       ` Peter Zijlstra
2014-05-30  1:12 ` [PATCH 3/4] perf: Handle guest PEBS events with a fake event Andi Kleen
2014-05-30  7:34   ` Peter Zijlstra
2014-05-30 16:29     ` Andi Kleen [this message]
2014-05-30  1:12 ` [PATCH 4/4] kvm: Implement PEBS virtualization Andi Kleen
2014-05-30  8:21   ` Gleb Natapov
2014-05-30 16:24     ` Andi Kleen
2014-06-02 16:45       ` Gleb Natapov
2014-06-02 16:52         ` Andi Kleen
2014-06-02 19:09         ` Marcelo Tosatti
2014-06-02 19:05   ` Eric Northup
2014-06-02 19:57     ` Andi Kleen
2014-06-19 14:39       ` Paolo Bonzini
2014-06-10 18:04   ` Marcelo Tosatti
2014-06-10 19:22     ` Andi Kleen
2014-06-10 21:06       ` Marcelo Tosatti
2014-06-19 14:42         ` Paolo Bonzini
2014-06-19 17:33           ` Andi Kleen
2014-06-19 20:33             ` Paolo Bonzini
2014-06-22 13:57   ` Avi Kivity
2014-06-22 19:02     ` Andi Kleen
2014-06-24 16:45       ` Marcelo Tosatti
2014-06-25  7:04         ` Avi Kivity
2014-05-30  7:39 ` Implement PEBS virtualization for Silvermont Peter Zijlstra

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