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

submitted 3 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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[–] offspec@lemmy.world 4 points 2 days ago (1 children)

I have some xeons in an old server running that I can't update to the next version of Rocky because the kernel won't support them :(

[–] boonhet@lemmy.zip 6 points 2 days ago

Isn't that just Rocky configuring the kernel that way? You're free to compile your own kernel and it'll still support even old pentiums, just not i486 in new versions