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

submitted 4 days 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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[–] jumping_redditor@sh.itjust.works 0 points 2 days ago (2 children)

Industrial machine controllers frequently run on ancient hardware

[–] mabeledo@lemmy.world 3 points 2 days ago

And they are very notoriously outdated in terms of software.

[–] smaximov@lemmy.world 1 points 2 days ago* (last edited 2 days ago)

Do they run the latest Linux kernel?