Re: arch/i386 bugs (?)

Alan Cox (
Tue, 6 May 1997 22:28:53 +0100 (BST)

> -> if processor is 486+, wp_works_ok is ignored. (BTW I wonder why smp
> people care about wp_works_ok in their structures. Did anyone ever

All 486+ machines have wp_works_ok. Now for a CPU=486 kernel that finds
wp_works_ok is false it ought to panic

> built smp machine from 386s?) But elsewhere, wp is tested on 486. It

No but why break something that will work.

> probably should be applied on init.c. Otherwise, 486 machine with
> broken wp bit is in REAL trouble. (Besides, it will help us detect WP
> detection not working).

Fortunately they dont exist