From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest Date: Sun, 28 Aug 2011 10:34:45 +0300 Message-ID: <4E59EF95.5000806@redhat.com> References: <232C9ABA-F703-4AE5-83BC-774C715D4D8F@suse.de> <20110825044913.GA24996@dancer.ca.sandia.gov> <1314248794.32391.60.camel@jaguar> <1314271548.3692.22.camel@lappy> <30669_1314285268_p7PFESZN013126_20110825150806.GF24996@dancer.ca.sandia.gov> <20110825210018.GA27983@dancer.ca.sandia.gov> <4E56BA67.9000901@redhat.com> <20110825220353.GC27983@dancer.ca.sandia.gov> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Sasha Levin , Stefan Hajnoczi , Pekka Enberg , Alexander Graf , kvm@vger.kernel.org, cam@cs.ualberta.ca To: David Evensky Return-path: Received: from mx1.redhat.com ([209.132.183.28]:41037 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750926Ab1H1Hfb (ORCPT ); Sun, 28 Aug 2011 03:35:31 -0400 In-Reply-To: <20110825220353.GC27983@dancer.ca.sandia.gov> Sender: kvm-owner@vger.kernel.org List-ID: On 08/26/2011 01:03 AM, David Evensky wrote: > I need to specify the physical address because I need to ioremap the > memory during boot. Did you consider pci_ioremap_bar()? > The production issue I think is a memory limitation. We certainly do > use QEMU a lot; but for this the kvm tool is a better fit. > What is this memory limitation? -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.