On Wed, Mar 29, 2017 at 05:21:13PM +0200, Paolo Bonzini wrote: > The GHCB would have to be allocated much earlier, possibly even by > firmware depending on how things will be designed. How about a statically allocated page like we do with the early pagetable pages in head_64.S? > I think it's premature to consider SEV-ES requirements. My only concern is not to have to redo a lot when SEV-ES gets enabled. So it would be prudent to design with SEV-ES in the back of our minds. -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) -- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>