this post was submitted on 16 Oct 2025
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Mysterious Intrigue Around An x86 "Corporate Entity Other Than Intel/AMD" - Phoronix (www.phoronix.com)
submitted 1 day ago by cm0002@lemmy.zip to c/linux@programming.dev
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Posted to the Linux kernel mailing list and GNU Binutils mailing list today is an intriguing message from a longtime x86/x86_64 expert around a "a corporate entity other than Intel/AMD" using some x86 opcodes not used by AMD or Intel processors.

Longtime x86 expert Christian Ludloff posted a cryptic message to the LKML and Binutils mailing lists. An anonymous Phoronix reader in turn relayed the interesting occurrence to me. Christian Ludloff has worked for Google, AMD, TI, and others over the years as an x86 architecture expert as well as being known for his sandpile.org x86 CPU information site.

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[–] mvirts@lemmy.world 3 points 21 hours ago

My money is on VMware