[PATCH 09/11] sched: export task_prio to GPL modules
peterz at infradead.org
Thu Dec 1 22:10:07 UTC 2011
On Thu, 2011-12-01 at 17:04 -0500, Mathieu Desnoyers wrote:
> * Peter Zijlstra (peterz at infradead.org) wrote:
> > On Thu, 2011-12-01 at 16:41 -0500, Mathieu Desnoyers wrote:
> > > LTTng needs this symbol to prepend the current task dynamic priority
> > > value to events (optional context information).
> > I absolutely detest exporting such stuff. It propagates the idea that
> > task prio actually means something. Also, modules really shouldn't care.
> People debugging their SCHED_FIFO/SCHED_RR applications, as well as
> users of priority-inheritance futexes, may happen to find this
> information extremely useful.
> Just saying...
Right until the moment we go do deadlines.. Anyway, it still doesn't
make sense, your sched_switch() tracepoint handler gets this
information, why do you need this export at all?
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