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SubjectRe: [PATCH v8 06/16] sched/core: uclamp: Extend sched_setattr() to support utilization clamping
On 08-May 21:41, Peter Zijlstra wrote:
> On Tue, Apr 02, 2019 at 11:41:42AM +0100, Patrick Bellasi wrote:
> > @@ -1056,6 +1100,13 @@ static void __init init_uclamp(void)
> > #else /* CONFIG_UCLAMP_TASK */
> > static inline void uclamp_rq_inc(struct rq *rq, struct task_struct *p) { }
> > static inline void uclamp_rq_dec(struct rq *rq, struct task_struct *p) { }
> > +static inline int uclamp_validate(struct task_struct *p,
> > + const struct sched_attr *attr)
> > +{
> > + return -ENODEV;
>
> Does that maybe want to be -EOPNOTSUPP ?

Suren propose ENOSYS for another similar case, i.e.
!CONFIG_UCLAMP_TASK definitions.

But EOPNOTSUPP seems more appropriate to me too.

--
#include <best/regards.h>

Patrick Bellasi

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