From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751529Ab1A0O6P (ORCPT ); Thu, 27 Jan 2011 09:58:15 -0500 Received: from casper.infradead.org ([85.118.1.10]:40430 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750960Ab1A0O6O convert rfc822-to-8bit (ORCPT ); Thu, 27 Jan 2011 09:58:14 -0500 Subject: Re: Q: perf_install_in_context/perf_event_enable are racy? From: Peter Zijlstra To: Oleg Nesterov Cc: Frederic Weisbecker , Ingo Molnar , Alan Stern , Arnaldo Carvalho de Melo , Paul Mackerras , Prasad , Roland McGrath , linux-kernel@vger.kernel.org In-Reply-To: <1296138503.15234.220.camel@laptop> References: <20101108145725.GA3434@redhat.com> <20110119182141.GA12183@redhat.com> <20110120193033.GA13924@redhat.com> <1295611905.28776.269.camel@laptop> <20110121130323.GA12900@elte.hu> <1295617185.28776.273.camel@laptop> <20110121142616.GA31165@redhat.com> <1295622304.28776.293.camel@laptop> <20110121204014.GA2870@nowhere> <20110124114234.GA12166@redhat.com> <20110126175322.GA28617@redhat.com> <1296134077.15234.161.camel@laptop> <1296138503.15234.220.camel@laptop> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Thu, 27 Jan 2011 15:58:55 +0100 Message-ID: <1296140335.15234.221.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2011-01-27 at 15:28 +0100, Peter Zijlstra wrote: > > > > So I've likely fallen off a cliff somewhere along the line, but just in > case, here's the patch: Its completely broken, ignore this :-)