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

submitted 4 weeks 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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[-] randamumaki@lemmy.blahaj.zone 1 points 3 weeks ago

To my knowledge the CPU is soldered to the mainboard, but I haven't looked inside it for a while now. Mine is running an Intel Atom N455; single core, two threads.

I'll probably swap to a BSD for it when support ends.

this post was submitted on 19 Aug 2026

126 points (98.5% liked)

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