On Mon, 18 Jul 2022 15:16:22 +0200 Igor Mammedov <imamm...@redhat.com> wrote:
> On Fri, 15 Jul 2022 18:16:26 +0100 > Joao Martins <joao.m.mart...@oracle.com> wrote: > > > Calculate max *used* GPA against the CPU maximum possible address > > and error out if the former surprasses the latter. This ensures > > max used GPA is reacheable by configured phys-bits. Default phys-bits > > on Qemu is TCG_PHYS_ADDR_BITS (40) which is enough for the CPU to > > address 1Tb (0xff ffff ffff) or 1010G (0xfc ffff ffff) in AMD hosts > > with IOMMU. > > > > This is preparation for AMD guests with >1010G, where it will want relocate > > ram-above-4g to be after 1Tb instead of 4G. > > > > Signed-off-by: Joao Martins <joao.m.mart...@oracle.com> > > Acked-by: Igor Mammedov <imamm...@redhat.com> [...] > > + return pc_pci_hole64_start() + pci_hole64_size - 1; off by 1? > > +} > > + [...]