Re: [PATCH] x86/sev: Make SEV_STATUS available via SYSFS

Alexey Gladkov
2025-03-11T18:24:16Z

On Tue, Mar 11, 2025 at 12:07:48PM +0100, Borislav Petkov wrote:
> On Tue, Mar 11, 2025 at 11:22:23AM +0100, Jürgen Groß wrote:
> > I can live with that, as long as we make it possible to make e.g.
> > /sys/guest/xen a link to /sys/hypervisor (if xen is the hypervisor
> > the guest is directly running on). This means that /sys/guest/*/type
> > should not conflict with /sys/hypervisor/type.
>
> Yeah, so Joerg and I came up with this on IRC:
>
> /sys/hypervisor/{sev,tdx}

This directory is for guest-side information, right ?

>
> * It should not disturb the current hierarchy there
>
> * No need for a new hierarchy like /sys/guest - we haz enough and besides,
> /sys/hypervisor sounds like the right place already

The /sys/hypervisor is for host-side information ?

>
> * ...
>
> So yeah, I guess we can try this.

If the answers to both questions are yes. Then I have understood
everything correctly and I agree with it.

--
Rgrds, legion