Messages in this thread | | | Date | Tue, 19 Jan 1999 17:44:09 GMT | From | "Stephen C. Tweedie" <> | Subject | Re: [uPATCH] SMP scheduling fix (?) |
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Hi,
On Fri, 15 Jan 1999 13:12:04 +0100, Pavel Machek <pavel@bug.ucw.cz> said:
> But it is currently impossible with linux: it opens DoS attack.
> make your nice 20 task hold some lock, and then run 'normal' task so > that nice 20 task will never ever get cpu again. BOom, you are holding > lock and are not going to release it.
> Is there solution to this?
The easiest way is just to do normal time-sharing scheduling on all processes in D state. Are there any critical locks which we wait for in interruptible-sleep state?
--Stephen
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