this post was submitted on 05 May 2025
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Proposal to remove 486 and early 586 support from Linux (lore.kernel.org)
submitted 1 month ago by cm0002@lemmy.world to c/linux@programming.dev
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[–] refurbishedrefurbisher 24 points 1 month ago* (last edited 1 month ago) (1 children)

The Pentium Pro came out in 1995. This is dropping support for CPUs that came out before then. The 486 came out in 1989.

I personally think 36 years of support is long enough.

[–] LeFantome@programming.dev 8 points 1 month ago (1 children)

There were 486 compatible SoC chips being released as late as 2010.

I think you can still buy them: https://www.vortex86.com/

[–] bus_factor@lemmy.world 3 points 1 month ago (1 children)

Do they usually run a Linux kernel? I would have expected some RTOS on a chip like that. And if it does run Linux, does the SDK use mainline Linux or some fork by the manufacturer?

[–] LeFantome@programming.dev 3 points 1 month ago* (last edited 1 month ago)

They run Windows CE and Linux though they also support QNX.

Specific Vortex86 detection was added in Linux 5.15 I think