Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752951AbbKYLc1 (ORCPT ); Wed, 25 Nov 2015 06:32:27 -0500 Received: from mx1.redhat.com ([209.132.183.28]:40922 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751810AbbKYLcZ (ORCPT ); Wed, 25 Nov 2015 06:32:25 -0500 Subject: Re: [PATCH] KVM: x86: Add lowest-priority support for vt-d posted-interrupts To: "Wu, Feng" , =?UTF-8?Q?Radim_Krcm=c3=a1r?= References: <1447037208-75615-1-git-send-email-feng.wu@intel.com> <20151116190314.GA12245@potion.brq.redhat.com> <564AF645.5010506@redhat.com> <20151124143557.GA24676@potion.brq.redhat.com> <56547662.7020804@redhat.com> Cc: "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" From: Paolo Bonzini Message-ID: <56559C44.7030500@redhat.com> Date: Wed, 25 Nov 2015 12:32:20 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 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 Content-Length: 727 Lines: 20 On 25/11/2015 02:58, Wu, Feng wrote: > Okay, let me try to understand this clearly: > - We will have a new KVM command line parameter to indicate whether > vector hashing is enabled. > - If it is not enabled, for PI, we can only support single destination lowest > priority interrupts, for non-PI, we continue to use RR. > - If it is enabled, for PI and non-PI we use vector hashing for both of them. > > Is this the case you have in mind? Thanks a lot! Yes, thanks! Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/