From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH 5/5] ioeventfd: Introduce KVM_IOEVENTFD_FLAG_SOCKET Date: Thu, 14 Jul 2011 11:29:59 +0300 Message-ID: <4E1EA907.3090406@redhat.com> References: <4E1C2F59.90600@redhat.com> <4E1D442E.6090308@redhat.com> <4E1D9623.70801@redhat.com> <4E1D9E75.1070901@redhat.com> <4E1E9A3B.7090200@kernel.org> <4E1EA455.4010608@redhat.com> <20110714082530.GA18948@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Pekka Enberg , Sasha Levin , kvm@vger.kernel.org, Ingo Molnar , Marcelo Tosatti To: "Michael S. Tsirkin" Return-path: Received: from mx1.redhat.com ([209.132.183.28]:54381 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752549Ab1GNIaK (ORCPT ); Thu, 14 Jul 2011 04:30:10 -0400 In-Reply-To: <20110714082530.GA18948@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 07/14/2011 11:25 AM, Michael S. Tsirkin wrote: > On Thu, Jul 14, 2011 at 11:09:57AM +0300, Avi Kivity wrote: > > I'm talking about the real world. Is any of this something that > > needs optimization? > > This work might help enable vhost support for non-MSI guests > (required for linux 2.6.30 and back). It's not enough > for that though: we would also need level interrupt > support in irqfd. That might be doable by using > sockets for irqfd in a similar way. I don't have an issue with socket mmio (it's a great feature once it's done well), just with presenting the serial port as motivation. -- error compiling committee.c: too many arguments to function