On 15 September 2014 12:41, Mario Smarduch <m.smarduch@xxxxxxxxxxx> wrote: > I've been working around the edges of this discussion, and > maybe be little unclear on this. > > But the manuals say intersection of Stage1/Stage2 permissions are > used. If guest sets stage1 to read-only then setting stage 2 > to read-only or read-write should have no impact. So why > should stage 2 RW be changed? Read versus read-write isn't relevant. The point is that you mustn't let the guest set up a Normal memory mapping of the same bit of hardware (phys. address space) that some other guest or the host has set up as Device mapping. -- PMM _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
