From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755336Ab2IJRYg (ORCPT ); Mon, 10 Sep 2012 13:24:36 -0400 Received: from casper.infradead.org ([85.118.1.10]:46990 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751847Ab2IJRYf convert rfc822-to-8bit (ORCPT ); Mon, 10 Sep 2012 13:24:35 -0400 Message-ID: <1347297865.2124.49.camel@twins> Subject: Re: [PATCH 2/3] perf: require exclude_guest to use PEBS - kernel side enforcement From: Peter Zijlstra To: David Ahern Cc: acme@ghostprotocols.net, linux-kernel@vger.kernel.org, Ingo Molnar , Robert Richter , Gleb Natapov , Avi Kivity Date: Mon, 10 Sep 2012 19:24:25 +0200 In-Reply-To: <1347295216-1202-3-git-send-email-dsahern@gmail.com> References: <1347295216-1202-1-git-send-email-dsahern@gmail.com> <1347295216-1202-3-git-send-email-dsahern@gmail.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Mailer: Evolution 3.2.2- Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2012-09-10 at 10:40 -0600, David Ahern wrote: > From: Peter Zijlstra > > See https://lkml.org/lkml/2012/7/9/298 Expanding that a little would be so much better.. take some of the reply to 1/3 on why we have to enforce a strict exclude_guest.