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SubjectRe: [PATCH] x86, amd: Re-enable CPU topology extensions in case BIOS has disabled it

* Andreas Herrmann <andreas.herrmann3@amd.com> wrote:

>
> For detection of thread siblings we are relying on the topology
> extension CPUID leafs. Thus we have to re-enable it in case BIOS tries
> to hide the correpsonding CPUID feature flag.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>

This changelog is missing some key information:

- how did you find the bug - did you see some actual badness?

- what practical effect (if any) did you see from this patch?

- what practical effect (if any) do you expect others to see from this patch?

This kind of information helps us prioritize bugfixes and helps
us determine whether a fix requires a -stable backport.

Thanks,

Ingo


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