Re: [Xen-devel] Re: [kvm-devel] More virtio users

2007-06-14 Thread Mark Williamson
I've not reviewed the virtio patches but think I've gathered the gist of what they're doing (puppies would probably help here)... > On Sunday 10 June 2007, Avi Kivity wrote: > > There are probably more.  Any ideas? > > * watchdog timer I recently knocked up a watchdog timer for Xen. The Linux-s

RE: [kvm-devel] [Xen-devel] More virtio users

2007-06-14 Thread Caitlin Bestler
[EMAIL PROTECTED] wrote: > On Wednesday 13 June 2007, Caitlin Bestler wrote: >> >>> It can be done, but you'd also need a passthrough for the IOMMU in >>> that case, and you get a potential security hole: if a malicious >>> guest is smart enough to figure out IOMMU mappings from the device >>> to

Re: [kvm-devel] [Xen-devel] More virtio users

2007-06-14 Thread Arnd Bergmann
On Thursday 14 June 2007, Caitlin Bestler wrote: > > Why not simply adopt the policy that if the IOMMU does not meet > the security requirements of the Hypervisor then it is not an > IOMMU as far as the Hypervisor is concerned? > > More specificially, the Hypervisor should enable direct access >