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From: ts@cup.portal.com (Tim W Smith)
Newsgroups: comp.sys.mac,comp.sys.mac.programmer
Subject: Re: upgrading MacII to a 68030 machine
Message-ID: <22032@cup.portal.com>
Date: 10 Sep 89 10:31:18 GMT
References: <763@swbatl.UUCP> <950@cbnewsk.ATT.COM>
  <653@mit-amt.MEDIA.MIT.EDU> <410@taniwha.UUCP>
Organization: The Portal System (TM)
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< Yes it does have VM, but like most other Unixes, even if it didn't have
< VM (ie it swapped), it would still an MMU to do process address space
< switching and to protect processes and the kernel from each other.

Since when do processes need protection from the kernel?  Is A/UX that
unstable or something?  And how does the MMU accomplish this, since
the kernel can reprogram the MMU?  A kernel that is out to get a process
ain't gonna be stopped by an MMU!

:-)

						Tim Smith