Re: Misc Fixes

Bryn Paul Arnold Jones (bpaj@gytha.demon.co.uk)
Mon, 15 Jul 1996 16:55:10 +0100 (BST)

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On Sun, 14 Jul 1996, Stephen C. Tweedie wrote:
>
> Yes. Precisely.
>
> The existing code would almost work; after all, the easiest way to
> store a bitmap is as an integer. The only change we'd have to make is
> that currently any root process is allowed to increment securelevel,
> and we'd have to change the test so that only setting new bits is OK.
>

That's not hard, just bitwise OR the new securelevel and the old and you'll
never lower it ....

> Cheers,
> Stephen.
> --
> Stephen Tweedie <sct@dcs.ed.ac.uk>
> Department of Computer Science, Edinburgh University, Scotland.
>
Bryn

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