From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [PATCH 3/4] perf: Handle guest PEBS events with a fake event Date: Fri, 30 May 2014 09:29:18 -0700 Message-ID: <20140530162918.GD8876@tassilo.jf.intel.com> References: <1401412327-14810-1-git-send-email-andi@firstfloor.org> <1401412327-14810-4-git-send-email-andi@firstfloor.org> <20140530073439.GB20167@laptop.programming.kicks-ass.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Andi Kleen , gleb@kernel.org, pbonzini@redhat.com, eranian@google.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org To: Peter Zijlstra Return-path: Content-Disposition: inline In-Reply-To: <20140530073439.GB20167@laptop.programming.kicks-ass.net> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org 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