Messages in this thread | | | From | Denis Vlasenko <> | Subject | Re: BUG REPORT: User/Kernel Pointer bug in sys_poll | Date | Thu, 28 Oct 2004 11:50:32 +0300 |
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On Thursday 28 October 2004 09:32, Andi Kleen wrote: > Sorav Bansal <sbansal@stanford.edu> writes: > > > Older x86 architectures (386 and before) allow the kernel to write to any > > user location regardless of the write-protect bits. > > Actually it's only some early steppings of 386 and Linux never ran on > a 286 or earlier. I think the best would be to just ignore it, the affected > user base is very likely zero or very near it. I suspect the > probability of one of these machines still used as a multiuser > machine is very definitely nil.
People ran Linux on 8086 (DragonLinux,ELKS iirc).
I admire their level of madness, but, really, it is not useful to spend time on such things.
My personal bottom line of supported hw is 486. -- vda
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