Re: [PATCH v4] x86/power: Fix 'nosmt' vs. hibernation triple fault during resume

From: Jiri Kosina
Date: Mon Jun 03 2019 - 11:28:20 EST

On Mon, 3 Jun 2019, Sean Christopherson wrote:

> For P6 and later, i.e. all modern CPUs, Intel processors go straight to
> halted state and don't fetch/decode the HLT instruction.

That'd be a rather relieving fact actually. Do you happen to know if this
is stated in some Intel documentation and we've just overlooked it, or
whether it's rather an information that's being carried over from
generation to generation by whispering through grapevine?


Jiri Kosina