Thanks, Chris, Do you know where is the patch, I just need something quick and dirty for now, my shining new board does have VT-d but the BIOS is not ready yet, I want to have something "working" now. Mu > -----Original Message----- > From: Chris Wright [mailto:chrisw@xxxxxxxxxxxx] > Sent: Friday, May 28, 2010 12:33 PM > To: Mu Lin > Cc: kvm@xxxxxxxxxxxxxxx > Subject: Re: device passthrough > > * Mu Lin (mul@xxxxxxxxxxx) wrote: > > Is there any method to directly assign a device to Guest OS > without VT-d? > > Assuming you mean a PCI device, no, there isn't. > > Without an IOMMU[1] you can't directly assign a PCI device to > a guest (nor is it safe). There have been patches floating > around to allow this, but they don't maintain secure isolation. > > thanks, > -chris > > [1] VT-d is an Intel chipset feature, so you could certainly > do it on an AMD platform that has an AMD IOMMU. > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html