From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48716) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XJeW9-0006nr-9t for qemu-devel@nongnu.org; Tue, 19 Aug 2014 04:11:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XJeW3-0002dE-69 for qemu-devel@nongnu.org; Tue, 19 Aug 2014 04:11:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:10684) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XJeW2-0002d5-Ue for qemu-devel@nongnu.org; Tue, 19 Aug 2014 04:11:39 -0400 Message-ID: <53F30584.2030508@redhat.com> Date: Tue, 19 Aug 2014 10:06:28 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <33183CC9F5247A488A2544077AF1902086C3735F@SZXEMA503-MBS.china.huawei.com> <20140817105939.GG21622@redhat.com> <1408274897.2381.5.camel@localhost.localdomain> <33183CC9F5247A488A2544077AF1902086D4BBFF@SZXEMA503-MBS.china.huawei.com> <53F1F98D.1080304@redhat.com> <33183CC9F5247A488A2544077AF1902086D5A1F4@SZXEMA503-MBS.china.huawei.com> In-Reply-To: <33183CC9F5247A488A2544077AF1902086D5A1F4@SZXEMA503-MBS.china.huawei.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [Question] Why doesn't PCIe hotplug work for Q35 machine? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Gonglei (Arei)" , Marcel Apfelbaum , "Michael S. Tsirkin" Cc: "imammedo@redhat.com" , "Huangweidong (C)" , "qemu-devel@nongnu.org" , "armbru@redhat.com" Il 19/08/2014 08:25, Gonglei (Arei) ha scritto: > > 1. Does qemu support ARI Forwarding for PCIe at present? If yes, how to enable it ? No, not yet. > 2. If not, we should add some check for PCIe root ports and downstream ports, > meanwhile add explaining document. > 3. Those check should add in general code level, both hotplug and coldplug. That would be possible, yes. Paolo