From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: [PATCH RFC 0/8] virtio: add guest MSI-X support Date: Mon, 27 Apr 2009 09:39:06 -0500 Message-ID: <49F5C38A.10806@codemonkey.ws> References: <20090427123136.GA1152@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Rusty Russell , virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, avi@redhat.com To: "Michael S. Tsirkin" Return-path: Received: from an-out-0708.google.com ([209.85.132.248]:18982 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757002AbZD0OjL (ORCPT ); Mon, 27 Apr 2009 10:39:11 -0400 Received: by an-out-0708.google.com with SMTP id d40so1438594and.1 for ; Mon, 27 Apr 2009 07:39:11 -0700 (PDT) In-Reply-To: <20090427123136.GA1152@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Michael S. Tsirkin wrote: > Add optional MSI-X support: use a vector per virtqueue with > fallback to a common vector and finally to regular interrupt. > Teach all drivers to use it. > > I added 2 new virtio operations: request_vqs/free_vqs because MSI > needs to know the total number of vectors upfront. > > Signed-off-by: Michael S. Tsirkin > Do you have userspace patches for testing? Regards, Anthony Liguori