From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: Status of SR-IOV for Xen? Date: Wed, 21 Jan 2009 14:38:18 +0000 Message-ID: References: <4975EBD3.4000100@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4975EBD3.4000100@intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Zhao, Yu" , Wei Huang Cc: Simon Horman , "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org Hopefully I will have MSI support fixed and check in by tomorrow. The issue was not with Intel's locking changes to pci/msi, but with Jan Beulich's changes to ACKTYPE_NONE/ACKTYPE_EOI handling of MSIs. I'm just doing some testing of my fix now. -- Keir On 20/01/2009 15:20, "Zhao, Yu" wrote: > I'll respin those patches and resubmit them later. One thing is that > SR-IOV depends on MSI/MSI-x but they are disabled as Keir said in thread > 'x86: Disable MSI as it seems to be triggering ASSERT at irq.c:269'. > > Wei Huang wrote: >> It is better not to duplicate the efforts if Yu Zhao is working on it. >> Otherwise, I would be interested on it too. >> >> -Wei >> >> Simon Horman wrote: >>> On Mon, Jan 19, 2009 at 11:13:37AM -0600, Wei Huang wrote: >>>> Hi, >>>> >>>> Any further update on SR-IOV support for Xen? Are we going to include >>>> this feature soon? >>> >>> I am also interested in this and would be willing to do some work >>> on breaking out the patches to address Jan Beulich's concerns[1] >>> about accreditation. And to bring the patches up to date with the most >>> recent Linux patches. The main problem that I see with the latter >>> that 2.6.18.8's PCI stack is now quite old, so using that as >>> a target would be more work than for instance using the paravirt ops >>> work that Jeremy Fitzhardinge has been working on. >>> >>> [1] http://lists.xensource.com/archives/html/xen-devel/2008-09/msg00965.html >>> >>> -- >>> Simon Horman >>> VA Linux Systems Japan K.K., Sydney, Australia Satellite Office >>> H: www.vergenet.net/~horms/ W: www.valinux.co.jp/en >>> >>> >> >