From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933852AbaFSRde (ORCPT ); Thu, 19 Jun 2014 13:33:34 -0400 Received: from mga11.intel.com ([192.55.52.93]:17515 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932295AbaFSRdc (ORCPT ); Thu, 19 Jun 2014 13:33:32 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,508,1400050800"; d="scan'208";a="558097565" Date: Thu, 19 Jun 2014 10:33:26 -0700 From: Andi Kleen To: Paolo Bonzini Cc: Marcelo Tosatti , Andi Kleen , peterz@infradead.org, gleb@kernel.org, eranian@google.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/4] kvm: Implement PEBS virtualization Message-ID: <20140619173326.GS8178@tassilo.jf.intel.com> References: <1401412327-14810-1-git-send-email-andi@firstfloor.org> <1401412327-14810-5-git-send-email-andi@firstfloor.org> <20140610180448.GA9485@amt.cnet> <20140610192207.GC8178@tassilo.jf.intel.com> <20140610210654.GA16344@amt.cnet> <53A2F6E3.6020703@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53A2F6E3.6020703@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Userspace then can read/write these MSRs, and add them to the migration > stream. QEMU has code for that. Thanks. The PEBS setup always redoes its state, can be arbitarily often redone. So the only change needed would be to add the MSRs to some list in qemu? -Andi -- ak@linux.intel.com -- Speaking for myself only