On Thu, Sep 22, 2022 at 05:11:00AM +0000, Tian, Kevin wrote: > > Thinking of the interrupt routing as a host resource is the problem - > > it is a device resource and just like PASID the ideal design would > > have each RID have its own stable numberspace scoped within it. The > > entire RID and all its stable numberspace would be copied over. > > > > Unfortunately it is not the case at least on Intel VT-d. The interrupt > remapping table is per VT-d instead of per RID. Doesn't that just turn it into a SW problem how it manages it? Jason
