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

From: Borislav Petkov
Date: Tue Mar 11 2025 - 07:08:25 EST


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}

* 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

* ...

So yeah, I guess we can try this.

Thx.

--
Regards/Gruss,
Boris.

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