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Linux 7.2 finally cuts off ancient x86 fallback code (unknownuniverse.uk)

submitted 1 month ago by cm0002@literature.cafe to c/linux@programming.dev

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Linux 7.2 has landed, dragging x86 timing clean out of the nineties by making the Time Stamp Counter mandatory.

I wrote up a quick article on why ditching those ancient legacy fallbacks is good housekeeping, plus a few other bits like cache-aware scheduling and memory tweaks worth noting.

Is anyone still using legacy hardware? If so, what do you use it for?

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[–] refalo@programming.dev 1 points 1 month ago* (last edited 1 month ago) (1 children)

Security updates if you use it online or copy new binaries to run on it. Even if you're not worried about hackers, there can still be viruses and malware that destroy your data.