Re: [PATCH v7 1/2] x86/mm: Don't disable INVLPG if "incomplete Global INVLPG flushes" is fixed by microcode

From: Sean Christopherson
Date: Thu Apr 11 2024 - 13:57:18 EST


Don't disable *PCID*.

On Thu, Apr 11, 2024, Xi Ruoyao wrote:
> Per the "Processor Specification Update" documentations referred by the
> intel-microcode-20240312 release note, this microcode release has fixed
> the issue for all affected models.
>
> So don't disable INVLPG if the microcode is new enough. The precise

Same thing here. INVLPG is very much still a thing, it's only PCID that gets
disabled.