Re: [PATCH v6 6/6] drivers/node: Show in sysfs node's crypto capabilities

Borislav Petkov
2022-02-04T16:28:52Z

On Fri, Feb 04, 2022 at 10:23:22AM -0600, Limonciello, Mario wrote:
> > > > As there is interest in seeing these capabilities from userspace, it

This needs to be explained in a lot more detail: why, what is going to
use it, how, etc.

We don't do user-visible APIs just because.

> As Tom agreed in previous post, Boris is mistaken here. I just double
> checked on my side on a workstation that supports SME and comparing
> /proc/cpuinfo before and after SME is enabled via mem_encrypt=on. I
> confirmed that nothing changed.

Then we should clear that "sme" flag if memory encryption is not
enabled. Like we do for all other flags.

--
Regards/Gruss,
Boris.