Re: [PATCH v6 00/12] SVM cleanup and INVPCID feature support

From: Borislav Petkov
Date: Thu Mar 11 2021 - 15:08:42 EST


On Wed, Mar 10, 2021 at 07:21:23PM -0600, Babu Moger wrote:
> # git bisect good
> 59094faf3f618b2d2b2a45acb916437d611cede6 is the first bad commit
> commit 59094faf3f618b2d2b2a45acb916437d611cede6
> Author: Borislav Petkov <bp@xxxxxxx>
> Date: Mon Dec 25 13:57:16 2017 +0100
>
> x86/kaiser: Move feature detection up

What is the reproducer?

Boot latest 4.9 stable kernel in a SEV guest? Can you send guest
.config?

Upthread is talking about PCID, so I'm guessing host needs to be Zen3
with PCID. Anything else?

Thx.

--
Regards/Gruss,
Boris.

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