Re: [RFC PATCH 1/5] x86/kexec: Do unconditional WBINVD for bare-metal in stop_this_cpu()

[Huang, Kai]

On Wed, 2025-03-19 at 09:41 -0700, Hansen, Dave wrote:
> As for kexec vs. PAT memtypes, there are only even theoretical issues on
> old hardware.  They _theoretically_ need a WBINVD at kexec. But there
> might be enough other things happening during kexec (including other
> WBINVD's) to keep us from getting bitten in practice.

From this perspective, I think it makes sense to do WBINVD for bare-metal
machines anyway?  Perhaps I can mention this in the changelog?