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sched_ext: Split task_should_reenq() into local and user variants

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Split task_should_reenq() into local_task_should_reenq() and
user_task_should_reenq(). The local variant takes reenq_flags by pointer.

No functional change. This prepares for SCX_ENQ_IMMED which will add
IMMED-specific logic to the local variant.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Andrea Righi <arighi@nvidia.com>
This commit is contained in:
Tejun Heo 2026-03-13 09:43:22 -10:00
parent 1d02346fec
commit f1c1dd9cc1
1 changed files with 10 additions and 7 deletions
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17
kernel/sched/ext.c
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@ -3725,13 +3725,10 @@ static void process_ddsp_deferred_locals(struct rq *rq)
}
}
static bool task_should_reenq(struct task_struct *p, u64 reenq_flags, u32 *reason)
static bool local_task_should_reenq(struct task_struct *p, u64 *reenq_flags, u32 *reason)
{
*reason = SCX_TASK_REENQ_KFUNC;
if (reenq_flags & SCX_REENQ_ANY)
return true;
return false;
return *reenq_flags & SCX_REENQ_ANY;
}
static u32 reenq_local(struct scx_sched *sch, struct rq *rq, u64 reenq_flags)
@ -3769,7 +3766,7 @@ static u32 reenq_local(struct scx_sched *sch, struct rq *rq, u64 reenq_flags)
if (!scx_is_descendant(task_sch, sch))
continue;
if (!task_should_reenq(p, reenq_flags, &reason))
if (!local_task_should_reenq(p, &reenq_flags, &reason))
continue;
dispatch_dequeue(rq, p);
@ -3826,6 +3823,12 @@ static void process_deferred_reenq_locals(struct rq *rq)
}
}
static bool user_task_should_reenq(struct task_struct *p, u64 reenq_flags, u32 *reason)
{
*reason = SCX_TASK_REENQ_KFUNC;
return reenq_flags & SCX_REENQ_ANY;
}
static void reenq_user(struct rq *rq, struct scx_dispatch_q *dsq, u64 reenq_flags)
{
struct rq *locked_rq = rq;
@ -3846,7 +3849,7 @@ static void reenq_user(struct rq *rq, struct scx_dispatch_q *dsq, u64 reenq_flag
if (!p)
break;
if (!task_should_reenq(p, reenq_flags, &reason))
if (!user_task_should_reenq(p, reenq_flags, &reason))
continue;
task_rq = task_rq(p);