From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753039AbbANNDO (ORCPT ); Wed, 14 Jan 2015 08:03:14 -0500 Received: from mx1.redhat.com ([209.132.183.28]:54044 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751404AbbANNDN (ORCPT ); Wed, 14 Jan 2015 08:03:13 -0500 Message-ID: <54B668D6.3070301@redhat.com> Date: Wed, 14 Jan 2015 14:02:14 +0100 From: Paolo Bonzini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: "Wu, Feng" , =?UTF-8?B?UmFkaW0gS3I/bcOhPw==?= CC: "tglx@linutronix.de" , "mingo@redhat.com" , "hpa@zytor.com" , "x86@kernel.org" , "gleb@kernel.org" , "dwmw2@infradead.org" , "joro@8bytes.org" , "alex.williamson@redhat.com" , "jiang.liu@linux.intel.com" , "eric.auger@linaro.org" , "linux-kernel@vger.kernel.org" , "iommu@lists.linux-foundation.org" , "kvm@vger.kernel.org" Subject: Re: [v3 13/26] KVM: Define a new interface kvm_find_dest_vcpu() for VT-d PI References: <1418397300-10870-1-git-send-email-feng.wu@intel.com> <1418397300-10870-14-git-send-email-feng.wu@intel.com> <20150109145435.GA22469@potion.brq.redhat.com> <54AFEC00.80507@redhat.com> <20150113161716.GA12941@potion.brq.redhat.com> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 14/01/2015 02:27, Wu, Feng wrote: > As discussed with Paolo before, as the first stage, we only support single-CPU > lowest priority for PI, since this is a new hardware feature enabling, Paolo trends > to do simple things in the beginning. :) Nice way to sum it up! Paolo > Then we will support full lowest priority for > it, such as, using vector hashing (this is one method of what hardware do for > lowest priority today), I need to get some detailed information about this from > hardware guys before enabling it.