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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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[–] mabeledo@lemmy.world 1 points 1 day ago (1 children)

I’m sorry, I thought we were comparing BSD to Linux. And why would I use BSD if there isn’t a single piece of software I need that isn’t available on Linux as well, but others, like Kubernetes, aren’t natively supported on BSD.

Regardless, nobody cares about dropping 486 support. NetBSD is a novelty OS at best, and FreeBSD, the most popular BSD out there, doesn’t run on 486 since 2024. Nice attempt at trolling tho.

[–] tux0r@snac.rosaelefanten.org 1 points 22 hours ago (1 children)

NetBSD is a novelty OS at best

So is Linux, compared to macOS and Windows. You still use it, as it seems to be just enough for your own needs.

[–] mabeledo@lemmy.world 1 points 20 hours ago

Don’t be ridiculous.

Virtually every SaaS platform runs on Linux. Half of the embedded devices out there run on Linux. 70% of cellphones run on Linux. Essentially, there is no way you would be online without interacting with a Linux-based OS in one way or another.

Even compared to FreeBSD, NetBSD is more of a niche OS for hobbyists.