Messages in this thread | | | Date | Tue, 25 Jul 2017 16:36:15 +0200 | From | Borislav Petkov <> | Subject | Re: [RFC Part1 PATCH v3 02/17] x86/CPU/AMD: Add the Secure Encrypted Virtualization CPU feature |
| |
On Tue, Jul 25, 2017 at 09:29:40AM -0500, Tom Lendacky wrote: > Yup, we can do something like that. I believe the only change that > would be needed to your patch would be to move the IS_ENABLED() check > to after the physical address space reduction check.
Yeah, I wasn't sure about that. The logic is that if BIOS has enabled SME and thus reduction is in place, we need to update x86_phys_bits on 32-bit regardless, right?
But, come to think of it, that reduction won't have any effect since we have 32-bit addresses and the reduction is above 32-bits, right? And thus it is moot.
Or?
-- Regards/Gruss, Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --
| |