Re: [PATCH 1/2] x86: Remove dynamic NOP selection

[H. Peter Anvin]

On January 21, 2024 3:58:11 PM PST, Thorsten Glaser <tg@xxxxxxxxxx> wrote:
>H. Peter Anvin dixit:
>
>> But yes, with all even remotely recent CPUs all actually handling nopl
>> properly, this isn't relevant anymore.
>
>This was, incidentally, triggered by looking into a problem report that
>something did *not* work on a Geode LX system.
>
>People don’t just run Linux on “recent CPUs” (though I at least got me
>an Atom and a Core2Duo for it and run BSD on my Pentium-M and VIA C7
>systems).
>
>bye,
>//mirabilos

Yes, but it is a matter of where we optimize for performance as opposed to correctness.