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SubjectRe: Subtle MM bug
On Thu, Jan 11, 2001 at 12:56:57AM +0100, David Weinehall wrote:

> > The MMU on these systems is a CAM, and the mmu table is thus backwards to
> > convention. (It also means you can notionally map two physical addresses to
> > one virtual but thats undefined in the implementation ;))
> Are there any other (not yet supported) platforms with similar (or other
> unrelated, but hard to support because of the current architecture of
> the kernel) problems?
> (No, I have no secret trumps up my sleeve, I'm just curious.)

Having a reverse mappings is the least sucky way to handle virtual aliases
of certain types of MIPS caches.


"Embrace, Enhance, Eliminate" - it worked for the pope, it'll work for Bill.
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