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sched_ext: Minor cleanups in kernel/sched/ext.h

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- scx_ops_cpu_preempt is only used in kernel/sched/ext.c and doesn't need to
  be global. Make it static.

- Relocate task_on_scx() so that the inline functions are located together.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: David Vernet <void@manifault.com>
This commit is contained in:
Tejun Heo 2024-07-08 09:39:48 -10:00
parent 9f391f94a1
commit 6ab228ecc3
2 changed files with 6 additions and 8 deletions
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2
kernel/sched/ext.c
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@ -771,7 +771,7 @@ static bool scx_warned_zero_slice;
static DEFINE_STATIC_KEY_FALSE(scx_ops_enq_last);
static DEFINE_STATIC_KEY_FALSE(scx_ops_enq_exiting);
DEFINE_STATIC_KEY_FALSE(scx_ops_cpu_preempt);
static DEFINE_STATIC_KEY_FALSE(scx_ops_cpu_preempt);
static DEFINE_STATIC_KEY_FALSE(scx_builtin_idle_enabled);
struct static_key_false scx_has_op[SCX_OPI_END] =

12
kernel/sched/ext.h
View File

@ -26,13 +26,6 @@ DECLARE_STATIC_KEY_FALSE(__scx_switched_all);
#define scx_enabled() static_branch_unlikely(&__scx_ops_enabled)
#define scx_switched_all() static_branch_unlikely(&__scx_switched_all)
DECLARE_STATIC_KEY_FALSE(scx_ops_cpu_preempt);
static inline bool task_on_scx(const struct task_struct *p)
{
return scx_enabled() && p->sched_class == &ext_sched_class;
}
void scx_tick(struct rq *rq);
void init_scx_entity(struct sched_ext_entity *scx);
void scx_pre_fork(struct task_struct *p);
@ -54,6 +47,11 @@ static inline u32 scx_cpuperf_target(s32 cpu)
return 0;
}
static inline bool task_on_scx(const struct task_struct *p)
{
return scx_enabled() && p->sched_class == &ext_sched_class;
}
static inline const struct sched_class *next_active_class(const struct sched_class *class)
{
class++;