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Message from discussion Virtual address Memory Protection Unit
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Stefan Monnier  
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 More options Jun 25 2012, 7:17 pm
Newsgroups: comp.arch
From: Stefan Monnier <monn...@iro.umontreal.ca>
Date: Mon, 25 Jun 2012 19:17:53 -0400
Local: Mon, Jun 25 2012 7:17 pm
Subject: Re: Virtual address Memory Protection Unit
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>> > But, of course, I am totally heretical in regarding the need to
>> > replace completely misdesigned, misimplemented and just plain broken
>> > software as not a downside :-)
>> Another simple approach (compared to segments) is a virtually-addressed
>> cache, with a pagetable in virtual memory.
> Oh, please no.
> Everyone who ever designed a chip with one of these is firmly in the camp of
> never wanting to do that again; FIRMLY.

Interesting.  Why not?

        Stefan


 
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