>>> On 20.12.15 at 14:57, <quan...@intel.com> wrote: > 2. If VT-d is bug, does the hardware_domain continue to work with PCIe > Devices / DRAM well with DMA remapping error? > I think it is no. furthermore, i think VMM can NOT run a normal HVM > domain without device-passthrough.
In addition to what Andrew said - VT-d is effectively not in use for domains without PT device. Impacting all such domains by crashing the hypervisor just because (in the extreme case) a single domain with PT devices exhibited a flush issue is a no-go imo. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel