From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Williamson Subject: Re: [PATCH 0/9] pci-assign: 64bit MMIO + better MSI-X table support Date: Mon, 06 Feb 2012 10:29:18 -0700 Message-ID: <1328549358.3074.108.camel@bling.home> References: <20120128142104.25681.93072.stgit@bling.home> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, Jan Kiszka To: Shashidhar Patil Return-path: Received: from mx1.redhat.com ([209.132.183.28]:7831 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754128Ab2BFTIH (ORCPT ); Mon, 6 Feb 2012 14:08:07 -0500 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On Mon, 2012-02-06 at 21:25 +0530, Shashidhar Patil wrote: > HI Alex, > I can give it a try. Please send me all patches as one file if possible. > I was about to report yet another problem with Guest MSI-X smp affinity > not being honoured by KVM while injecting interrupts. Its again in the context > of 82599 device (tried with Linux as guest). I had a hunch that the MSI-X vector > data which gets modified when SMP affinity is not tracked by the qemu_kvm. > So the interrupt injection was done in load balancing fashion. Because of this > interrupt LB in guest VCPUs I saw that packets for all the queues were processed > by one VCPU instead 2 or 4 available. > Anyway I will test the the MSI-X affinity fix also and get back with results. > And I hope 82599 send/receive works. Thanks for your help. I pushed the v2 version to github, so you can grab it from here for testing: git://github.com/awilliam/qemu-kvm.git Branch pci-assign-msix. Thanks, Alex