From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Remaining passthrough/VT-d tasks list Date: Wed, 24 Sep 2008 11:49:35 +0300 Message-ID: <48D9FF1F.5070000@redhat.com> References: <0122C7C995D32147B66BF4F440D3016301C49E61@pdsmsx415.ccr.corp.intel.com> <200809241311.51678.amit.shah@redhat.com> <0122C7C995D32147B66BF4F440D3016301C49FE6@pdsmsx415.ccr.corp.intel.com> <200809241332.02833.amit.shah@redhat.com> <0122C7C995D32147B66BF4F440D3016301C4A061@pdsmsx415.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Amit Shah , "Yang, Sheng" , kvm@vger.kernel.org, benami@il.ibm.com, muli@il.ibm.com, "Kay, Allen M" , "Zhang, Xiantao" To: "Han, Weidong" Return-path: Received: from mx2.redhat.com ([66.187.237.31]:59675 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751940AbYIXIuk (ORCPT ); Wed, 24 Sep 2008 04:50:40 -0400 In-Reply-To: <0122C7C995D32147B66BF4F440D3016301C4A061@pdsmsx415.ccr.corp.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: Han, Weidong wrote: > We had some discussion on this few months ago. Currently, users need to > remove device driver before assignment. If there are more than one same > type devices, removing driver makes them cannot work at the same time, > even though user just want to assign one of them to guest. Note that not > all drivers support unbind function. If we can provide a mechanism to > hide single device independently, e.g, implement a dummy driver to own > devices that user want to assign to guest. I think it's more friendly to > end user than remove/unbind driver manually. > That's a good point -- multiple devices with the same driver. We may need a kernel parameter as well, for built-in drivers. -- error compiling committee.c: too many arguments to function