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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Yay, reduced functionality 🥳
Virtually nobody is going to run kernel 7.2 on a 90s CPU without a time stamp chip. Its good practice to prune old and largely unused features once and a while
