From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= Subject: Re: Re: [pvops xen/next ][iommu] attenpt to passthrough PCI-e usb controllor to PV domU SUCCESS :-) Date: Tue, 23 Mar 2010 13:24:57 +0200 Message-ID: <20100323112457.GJ1878@reaktio.net> References: <1057357311.20100322111524@eikelenboom.it> <20100322191237.GB31521@phenom.dumpdata.com> <1609670718.20100322213550@eikelenboom.it> <20100322204916.GQ1878@reaktio.net> <1096247138.20100322222300@eikelenboom.it> <20100322212652.GT1878@reaktio.net> <20100322211209.GA653@phenom.dumpdata.com> <4BA8A3150200007800036677@vpn.id2.novell.com> <1213743694.20100323112355@eikelenboom.it> <4BA8B2C802000078000366B8@vpn.id2.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <4BA8B2C802000078000366B8@vpn.id2.novell.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: Jan Beulich Cc: Sander Eikelenboom , "xen-devel@lists.xensource.com" , Konrad Rzeszutek Wilk List-Id: xen-devel@lists.xenproject.org On Tue, Mar 23, 2010 at 11:23:36AM +0000, Jan Beulich wrote: > >>> Sander Eikelenboom 23.03.10 11:23 >>> > >How do these handle DMA related to the passthrough device in a PV-guest then ? > >From what i remember from previous (debian) xen kernels was that at least swiotlb=force was needed as kernel options to the domU kernel to passthrough usb-controllers. > > Yes, exactly. But not "iommu=soft". > Ok, I'll update the wiki. -- Pasi