Messages in this thread |  | | Date | Mon, 15 Jul 1996 16:55:10 +0100 (BST) | From | Bryn Paul Arnold Jones <> | Subject | Re: Misc Fixes |
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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 -- PGP key pass phrase forgotten, \ Overload -- core meltdown sequence again :( | initiated. / This space is intentionally left | blank, apart from this text ;-) \____________________________________
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