On 06/03/24 08:33, Metin Kaya wrote:
> On 01/06/2024 10:33 pm, Qais Yousef wrote:
> > {rt, realtime, dl}_{task, prio}() functions return value is actually
> > a bool. Convert their return type to reflect that.
> >
> > Suggested-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
> > Signed-off-by: Qais Yousef <qyousef@xxxxxxxxxxx>
> > ---
> > include/linux/sched/deadline.h | 8 ++++----
> > include/linux/sched/rt.h | 16 ++++++++--------
> > 2 files changed, 12 insertions(+), 12 deletions(-)
> >
> > diff --git a/include/linux/sched/deadline.h b/include/linux/sched/deadline.h
> > index 5cb88b748ad6..f2053f46f1d5 100644
> > --- a/include/linux/sched/deadline.h
> > +++ b/include/linux/sched/deadline.h
> > @@ -10,18 +10,18 @@
> > #include <linux/sched.h>
> > -static inline int dl_prio(int prio)
> > +static inline bool dl_prio(int prio)
> > {
> > if (unlikely(prio < MAX_DL_PRIO))
> > - return 1;
> > - return 0;
> > + return true;
> > + return false;
>
> Nit: `return unlikely(prio < MAX_DL_PRIO)` would be simpler.
> The same can be applied to rt_prio() and realtime_prio(). This would make
> {dl, rt, realtime}_task() single-liner. Maybe further simplification can be
> done.
Fair. Thanks.
>
> > }
> > /*
> > * Returns true if a task has a priority that belongs to DL class. PI-boosted
> > * tasks will return true. Use dl_policy() to ignore PI-boosted tasks.
> > */
> > -static inline int dl_task(struct task_struct *p)
> > +static inline bool dl_task(struct task_struct *p)
> > {
> > return dl_prio(p->prio);
> > }
> > diff --git a/include/linux/sched/rt.h b/include/linux/sched/rt.h
> > index a055dd68a77c..efbdd2e57765 100644
> > --- a/include/linux/sched/rt.h
> > +++ b/include/linux/sched/rt.h
> > @@ -6,25 +6,25 @@
> > struct task_struct;
> > -static inline int rt_prio(int prio)
> > +static inline bool rt_prio(int prio)
> > {
> > if (unlikely(prio < MAX_RT_PRIO && prio >= MAX_DL_PRIO))
> > - return 1;
> > - return 0;
> > + return true;
> > + return false;
> > }
> > -static inline int realtime_prio(int prio)
> > +static inline bool realtime_prio(int prio)
> > {
> > if (unlikely(prio < MAX_RT_PRIO))
> > - return 1;
> > - return 0;
> > + return true;
> > + return false;
> > }
> > /*
> > * Returns true if a task has a priority that belongs to RT class. PI-boosted
> > * tasks will return true. Use rt_policy() to ignore PI-boosted tasks.
> > */
> > -static inline int rt_task(struct task_struct *p)
> > +static inline bool rt_task(struct task_struct *p)
> > {
> > return rt_prio(p->prio);
> > }
> > @@ -34,7 +34,7 @@ static inline int rt_task(struct task_struct *p)
> > * PI-boosted tasks will return true. Use realtime_task_policy() to ignore
> > * PI-boosted tasks.
> > */
> > -static inline int realtime_task(struct task_struct *p)
> > +static inline bool realtime_task(struct task_struct *p)
> > {
> > return realtime_prio(p->prio);
> > }
>
