Re: [PATCH v13 14/14] x86/mm: add noinvlpgb commandline option

[Rik van Riel]

On Sun, 2025-02-23 at 22:29 +0100, Borislav Petkov wrote:
> On Sun, Feb 23, 2025 at 02:49:04PM -0500, Rik van Riel wrote:
> > Add a "noinvlpgb" commandline option to disable AMD
> > broadcast TLB flushing at boot time.
> 
> See if clearcpuid= works too pls.
> 
What specifically are the things you want me to test here?

Just that clearcpuid=419 properly disables INVLPGB, or
also whether clearcpuid=145 (PCID) also automatically
disables INVLPGB?

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