this post was submitted on 19 Aug 2026
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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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[–] tux0r@snac.rosaelefanten.org 1 points 1 month ago (1 children)

FreeBSD's jails are pretty interesting though, so is NetBSD's rump kernel. But my point was (especially older) hardware support, not software support. If all you care about is the sheer number of available applications, Windows is there for you. πŸ˜‰

Your post that it was "not even close" is misleading at best and utterly wrong in total.