From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: Re: [RFC 01/10] KVM: reintroduce hc_gpa Date: Wed, 06 Jun 2012 13:32:11 +0200 Message-ID: <1338982331.3292.61.camel@lappy> References: <1338980418-2519-1-git-send-email-levinsasha928@gmail.com> <4FCF39C4.3050906@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: mtosatti@redhat.com, gregkh@linuxfoundation.org, sjenning@linux.vnet.ibm.com, dan.magenheimer@oracle.com, konrad.wilk@oracle.com, kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from mail-ob0-f174.google.com ([209.85.214.174]:33946 "EHLO mail-ob0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752966Ab2FFLbF (ORCPT ); Wed, 6 Jun 2012 07:31:05 -0400 Received: by obbtb18 with SMTP id tb18so10161953obb.19 for ; Wed, 06 Jun 2012 04:31:05 -0700 (PDT) In-Reply-To: <4FCF39C4.3050906@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Wed, 2012-06-06 at 14:06 +0300, Avi Kivity wrote: > On 06/06/2012 02:00 PM, Sasha Levin wrote: > > While PV MMU is dead and gone, we'll still want to pass gpa from guest to > > host, and to do that properly we'll need to revive hc_gpa which died > > during the great PV MMU massacre of 3.2. > > Missing 00/10 with a general explanation Coming right up. > and benchmark results. Is there a specific test you'd like to see? My tests were based around the "streaming test" you proposed last time this discussion came up, and runs of 'fio' in guests.