Re: Linux Kernel Security - Can it ever be 100%
On Fri, Dec 05, 2003 at 08:58:40PM -0800, Tom wrote:
> On Fri, Dec 05, 2003 at 11:43:23PM -0500, Joey Hess wrote:
> [great stuff which is absolutely correct]
>
> However, I "Tom Ballard" have figured it all out.
> The problem with all of computer science is the left hand doesn't know
> what the right hand is doing. All of these problems are finite and can
> be handled in an "a priori" way. The problem is computer science grew
> up not knowing that so we pretend we don't immediately know everything
> and compute in an "a posteori way".
>
> What I'm talking about is tearing down the concept of a general purpose
> computer. The only reason I can't run all my programs in a single
> memory space and know just exactly what the heck is going to happen is
> it makes poor economic sense to work that way.
>
> Consider a SQL Server for example. For any given schema which will
> a maximum of contain {N1...Nm} records, I can compute "a priori" the
> exact disk location of any record. If memory wasn't so fucking slow
> and there were plenty of it, we could assemble any image of this very
> quickly. All I need is a simple "I/O monster" that does this one fixed
> task in an "a priori way".
>
> So the problem is general purpose computers. We need to be able to
> produce fixed-function devices in a one-off fashion.
>
> [This rant is probably full of shit] :-)
>
Yes. ;-)
--
Paul E Condon
pecondon@peakpeak.com
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