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Linux Kernel 7.1 to Drop Intel 486 CPU Support

4/7/2026

Summary

Linux Phases Out i486

The Linux kernel will phase out Intel 486 CPU support in version 7.1, as Ingo Molnar, a Linux kernel developer, proposes removing i486 configuration options.
Linus Torvalds, Linux kernel project lead, says maintaining i486 support is unnecessary because very few users operate such hardware.
The patch aims to reduce maintenance burdens and improve kernel development efficiency.
No recent distributions support i486 CPUs, so users may stay on older kernel versions.

Summary

Linux Ends i486 Support

The Linux kernel will discontinue support for Intel 486 CPUs in version 7.1, confirmed by a patch from Ingo Molnar.
Linus Torvalds said maintaining support for outdated hardware is unnecessary.
The patch removes i486 configuration options, making it impossible to build a kernel image for these CPUs.
Older kernel versions will remain usable for i486 users but will not receive security updates.

History

Historical Context

The release of Intel's Pentium processor in 1996 marked a pivotal moment in computing, rendering the earlier i486 obsolete. By the early 2000s, only 5% of users still operated on i486 systems, prompting the Linux kernel to phase out support for this outdated hardware. This shift reflects the rapid evolution of technology and the need for modern systems to enhance performance and security.

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Linux Phases Out i486

The Linux kernel will phase out Intel 486 CPU support in version 7.1, as Ingo Molnar, a Linux kernel developer, proposes removing i486 configuration options.
Linus Torvalds, Linux kernel project lead, says maintaining i486 support is unnecessary because very few users operate such hardware.
The patch aims to reduce maintenance burdens and improve kernel development efficiency.
No recent distributions support i486 CPUs, so users may stay on older kernel versions.

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