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Path: utzoo!henry
From: henry@utzoo.UUCP (Henry Spencer)
Newsgroups: comp.unix.wizards
Subject: Re: Why "u." and not "u->" ?  (I'm reading Bach book)
Message-ID: <8047@utzoo.UUCP>
Date: Tue, 19-May-87 18:45:58 EDT
Article-I.D.: utzoo.8047
Posted: Tue May 19 18:45:58 1987
Date-Received: Tue, 19-May-87 18:45:58 EDT
References: <626@vixie.UUCP> <3568@spool.WISC.EDU>, <500@rust.DEC.COM>
Organization: U of Toronto Zoology
Lines: 8

> I worked on a system were kernel mode ran unmapped. We were unable to
> use u. and therefore had to solve some very difficult problems. We even
> considered copying u areas to a fixed location at every context switch.

Don't laugh, it's been done.  I'm told it works okay, if a bit slowly.
-- 
"The average nutritional value    Henry Spencer @ U of Toronto Zoology
of promises is roughly zero."     {allegra,ihnp4,decvax,pyramid}!utzoo!henry