Re: [PATCH] Update documentation to reflect what TAINT_CPU_OUT_OF_SPEC means nowadays

From: Jonathan Corbet
Date: Tue Dec 08 2020 - 12:55:28 EST


On Wed, 2 Dec 2020 16:32:43 +0100
Mathieu Chouquet-Stringer <me@mathieu.digital> wrote:

> Hello Jonathan,
>
> Here's a patch updating the meaning of TAINT_CPU_OUT_OF_SPEC after
> Borislav introduced changes in a7e1f67ed29f and upcoming patches in tip.
>
> TAINT_CPU_OUT_OF_SPEC now means a bit more what it implies as the
> flag isn't set just because of a CPU misconfiguration or mismatch.
> Historically it was for SMP kernel oops on an officially SMP incapable
> processor but now it also covers CPUs whose MSRs have been incorrectly
> poked at from userspace, drivers being used on non supported
> architectures, broken firmware, mismatched CPUs, ...
>
> Update documentation and script to reflect that.
>
> Signed-off-by: Mathieu Chouquet-Stringer <me@mathieu.digital>

Hearing no objection, I've applied this.

Thanks,

jon