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    SubjectRe: RT scheduling and a way to make a process hang, unkillable
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    On Mon, 2009-02-23 at 17:15 +0530, Dhaval Giani wrote:
    > On Tue, Feb 17, 2009 at 12:15:39PM +0100, Peter Zijlstra wrote:
    > > On Tue, 2009-02-17 at 15:45 +0530, Dhaval Giani wrote:
    > >
    > > > sched: Don't allow setuid to succeed if the user does not have rt bandwidth
    > > >
    > > > Corey Hickey reported that on using setuid to change the uid of a
    > > > rt process, the process would be unkillable and not be running.
    > > > This is because there was no rt runtime for that user group. Add
    > > > in a check to see if a user can attach an rt task to its task group.
    > >
    > > This looks good to me.
    > >
    > > Does anybody object to the -ENOSPC return value? Should we introduce
    > > -ENOTIME for that?
    > >
    > > Michael, Alan?
    > >
    >
    > Hi,
    >
    > Any comments on which return value to return? Should we introduce
    > -ENOTIME?
    >
    > Corey mentioned he found ENOSPC confusing.

    I'd say go for the ENOTIME thing.



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