> > > 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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