[PATCH v3 1/2] cpu/smt: add a notifier to notify the SMT changes

[Peter Zijlstra]

On Wed, Mar 29, 2023 at 09:51:48AM +0800, Wenyou Yang wrote:
> Add the notifier chain to notify the cpu SMT status changes
> 

Why!?!? What's the purpose of all this? IIRC this doesn't trigger if you
manually disable all the siblings. And because you didn't tell us why
you need this I can't tell you if that matters or not :/