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Linux 7.2 finally cuts off ancient x86 fallback code (unknownuniverse.uk)
submitted 2 days ago by 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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[–] 13 points 2 days ago

@davidgro @cm0002 At least you can still get the last kernel which ran on any hardware it ever did support.

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