On 21/12/2017 17:37, Christopherson, Sean J wrote: >> Out of curiosity, has anyone ever tested RSM returning to PAE mode? I >> *think* it's supposed to restore the PDPTR registers directly rather >> than reloading them from the memory pointed to by CR3, and it doesn't >> look like the new or old code does it. > Yes, PDPTRs are saved/loaded to/from SMRAM, at least on Intel hardware. KVM follows the AMD manual, since it's got a more complete description of SMRAM, and it doesn't show the PDPTRs (nor any reserved area large enough to hold them). Thanks, Paolo
