Thus Spake Linus:

Schedulers can be objectively tested. There’s this thing called "performance", that can generally be quantified on a load basis.

Yes, you can have crazy ideas in both schedulers and security. Yes, you can simplify both for a particular load. Yes, you can make mistakes in both. But the *discussion* on security seems to never get down to real numbers.

So the difference between them is simple: one is "hard science". The other one is "people wanking around with their opinions".

— Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandatory Access Control Kernel, by Linus Torvalds, kerneltrap.org, Monday, October 1, 2007 – 7:04 am

Linus Torvalds, inventor of Linux and thus originator of its associated industry, continues: