Messages in this thread | | | Date | Sun, 21 Jan 2024 16:15:57 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 1/2] x86: Remove dynamic NOP selection |
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On January 21, 2024 3:58:11 PM PST, Thorsten Glaser <tg@debian.org> 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.
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