On Fri, Feb 04, 2022 at 09:27:42AM -0300, Martin Fernandez wrote: > On 2/4/22, Mike Rapoport <rppt@xxxxxxxxxx> wrote: > > On Thu, Feb 03, 2022 at 01:43:28PM -0300, Martin Fernandez wrote: > >> +Description: > >> + This value is 1 if all system memory in this node is > >> + marked with EFI_MEMORY_CPU_CRYPTO, indicating that the > > > > It didn't jump at me at previous postings, but other architectures won't > > necessary have EFI_MEMORY_CPU_CRYPTO marking crypto-capable memory. > > > > How about > > > > This value is 1 if all system memory in this node is capable of being > > protected with the CPU's memory cryptographic capabilities. It is 0 > > otherwise. > > On EFI architectures with value corresponds to EFI_MEMORY_CPU_CRYPTO. > > > > > > Yes, sounds good to me. > > Is there other architecture with something similar to this? Or are you > thinking on the possibility of such architecture? AFAIU, s390 and powerpc have memory encryption capabilities, I don't know the details though. -- Sincerely yours, Mike.
