Messages in this thread | | | Date | Fri, 23 Jul 1999 18:00:01 +0100 (GMT) | From | Matthew Kirkwood <> | Subject | Re: low priority soft RT? |
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On Fri, 23 Jul 1999, Rik van Riel wrote:
> > > I have made a fairly substantial SCHED_IDLE patch, but due to > > > the (never resolved) deadlock issues I haven't submitted it. > > > > Yes, it really is a loaded gun. It is much more dangerous than it > > first appears, and the DoS attacks look really nasty. > > OTOH. Maybe it _should_ go in the kernel (with default sysctl switched > off).
I hope not.
> The Unix tradition is to allow users to shoot themselves in the foot > and SCHED_IDLE can be a useful "power tool"...
Maybe, but it's certainly /not/ to allow users (even root) to shoot the *kernel* in the foot.
A patch which allows processes to deadlock the kernel will not, I hope, be welcome.
Matthew.
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