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SubjectRe: [RFC][PATCH] O(1) Entitlement Based Scheduler


Peter Williams wrote:
> Timothy Miller wrote:
>

>>
>>
>> We don't want user-space programs to have control over priority.
>
>
> They already do e.g. renice is such a program.

No one's talking about LOWERING priority here. You can only DoS someone
else if you can set negative nice values, and non-root can't do that.

>
>> This is DoS waiting to happen.
>>
>>> 2. have a user space daemon poll running tasks periodically and
>>> renice them if they are running specified binaries
>>
>>
>>
>> This is much too specific. Again, if the USER has control over this
>> list,
>
>
> It would obviously be under root control.

And that means if someone wants to run a program which is not on the
list but which requires (and deserves) higher priority, they cannot.


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