From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762655Ab2ERKCH (ORCPT ); Fri, 18 May 2012 06:02:07 -0400 Received: from s15943758.onlinehome-server.info ([217.160.130.188]:38663 "EHLO mail.x86-64.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762577Ab2ERKCE (ORCPT ); Fri, 18 May 2012 06:02:04 -0400 Date: Fri, 18 May 2012 12:01:47 +0200 From: Borislav Petkov To: Peter Zijlstra Cc: Borislav Petkov , Frederic Weisbecker , Ingo Molnar , Steven Rostedt , LKML Subject: Re: [PATCH 1/2] perf: Add persistent event facilities Message-ID: <20120518100147.GC20215@aftab.osrc.amd.com> References: <1332340496-21658-1-git-send-email-bp@amd64.org> <1332340496-21658-2-git-send-email-bp@amd64.org> <1337335138.573.5.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1337335138.573.5.camel@twins> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 18, 2012 at 11:58:58AM +0200, Peter Zijlstra wrote: > On Wed, 2012-03-21 at 15:34 +0100, Borislav Petkov wrote: > > Add a barebones implementation for registering persistent events with > > perf. For that, we don't destroy the buffers when they're unmapped; > > also, we map them read-only so that multiple agents can access them. > > Yet you don't fail mmap() for VM_WRITE && ->persistent. I better go fix that after we've agreed on the overall design. Thanks Peter. -- Regards/Gruss, Boris. Advanced Micro Devices GmbH Einsteinring 24, 85609 Dornach GM: Alberto Bozzo Reg: Dornach, Landkreis Muenchen HRB Nr. 43632 WEEE Registernr: 129 19551