From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762260AbZEGTIZ (ORCPT ); Thu, 7 May 2009 15:08:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750912AbZEGTIN (ORCPT ); Thu, 7 May 2009 15:08:13 -0400 Received: from sous-sol.org ([216.99.217.87]:52789 "EHLO sequoia.sous-sol.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751284AbZEGTIN (ORCPT ); Thu, 7 May 2009 15:08:13 -0400 Date: Thu, 7 May 2009 12:07:51 -0700 From: Chris Wright To: Avi Kivity Cc: Gregory Haskins , Gregory Haskins , Chris Wright , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Anthony Liguori Subject: Re: [RFC PATCH 0/3] generic hypercall support Message-ID: <20090507190751.GE3036@sequoia.sous-sol.org> References: <4A018DF2.6010301@novell.com> <20090506160712.GW3036@sequoia.sous-sol.org> <4A031471.7000406@novell.com> <4A0322F1.2000905@redhat.com> <4A032390.6030100@gmail.com> <4A032472.4030106@redhat.com> <4A03259B.3050500@gmail.com> <4A032771.6050703@redhat.com> <4A032A74.2020809@novell.com> <4A032FDD.8020209@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4A032FDD.8020209@redhat.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Avi Kivity (avi@redhat.com) wrote: > Gregory Haskins wrote: >> Cool, I will code this up and submit it. While Im at it, Ill run it >> through the "nullio" ringer, too. ;) It would be cool to see the >> pv-mmio hit that 2.07us number. I can't think of any reason why this >> will not be the case. > > Don't - it's broken. It will also catch device assignment mmio and > hypercall them. Not necessarily. It just needs to be creative w/ IO_COND