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Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable
From: |
Jonathan S. Shapiro |
Subject: |
Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?// SAS |
Date: |
Thu, 11 May 2006 16:44:40 -0400 |
On Thu, 2006-05-11 at 21:21 +0200, Niklas Klügel wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> >
>
> > Consider:
> >
> > 1. The measured performance of the best JVM sucks. 2. There is no
> > possibility of hard real-time in a garbage-collected runtime. 3.
> > The amount of code needed to implement a decent JVM (or similar
> > system) is approximately 10x the amount of code needed to implement
> > a protected microkernel.
> >
> that was not my point. it was an example that software-based
> memory protection is already practicable at acceptable costs.
Perhaps acceptable costs to you, but not at acceptable robustness or
acceptable performance, or acceptable memory footprint for most
applications.
I approve of safe programming languages (which doesn't necessarily
require a JVM). I just think that they aren't a complete solution by
themselves.
shap
- Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?, (continued)
- Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?, Thomas Bushnell BSG, 2006/05/11
- Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?, Marcus Brinkmann, 2006/05/11
- OT: protection in SASOS, Tom Bachmann, 2006/05/11
- Re: OT: protection in SASOS, Jonathan S. Shapiro, 2006/05/11
- Re: OT: protection in SASOS, Espen Skoglund, 2006/05/11
- Re: OT: protection in SASOS, Jonathan S. Shapiro, 2006/05/11
- Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?, Jonathan S. Shapiro, 2006/05/11
- Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?// SAS, Niklas Klügel, 2006/05/11
- Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?// SAS, Jonathan S. Shapiro, 2006/05/11
- Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?// SAS, Niklas Klügel, 2006/05/11
- Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?// SAS,
Jonathan S. Shapiro <=
- Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?// SAS, Bas Wijnen, 2006/05/11
- Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?// SAS, Jonathan S. Shapiro, 2006/05/11
- Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?, Ludovic Courtès, 2006/05/18
Re: Linus replies. Re: Computer: Can We Make Operating Systems Reliable and Secure?, Marco Gerards, 2006/05/11