Re: [PATCH v8 0/8] x86: Show in sysfs if a memory node is able to do encryption

From: Borislav Petkov
Date: Wed May 18 2022 - 03:52:59 EST


On Mon, May 16, 2022 at 09:39:06AM +0100, Richard Hughes wrote:
> This is still something consumers need; at the moment users have no
> idea if data is *actually* being encrypted.

As it was already pointed out - that's in /proc/cpuinfo.

> I think Martin has done an admirable job going down the rabbit hole
> to add this functionality in the proper manner -- so it's actually
> accurate and useful for other use cases to that of fwupd.

Only after I scratched the surface as to why this is needed.

> At the moment my professional advice to people asking about Intel
> memory encryption

Well, what kind of memory encryption? Host, guest?

--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette