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[PATCH] sched: ->task_new cleanup

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make sched_class.task_new == NULL a 'default method', this
allows the removal of task_rt_new.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2007-08-02 17:41:40 +02:00
parent 4e6f96f313
commit cad60d93e1
4 changed files with 10 additions and 17 deletions
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11
kernel/sched.c
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@@ -1641,22 +1641,27 @@ void fastcall wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
unsigned long flags;
struct rq *rq;
int this_cpu;
u64 now;
rq = task_rq_lock(p, &flags);
BUG_ON(p->state != TASK_RUNNING);
this_cpu = smp_processor_id(); /* parent's CPU */
now = rq_clock(rq);
p->prio = effective_prio(p);
if (!sysctl_sched_child_runs_first || (clone_flags & CLONE_VM) ||
task_cpu(p) != this_cpu || !current->se.on_rq) {
if (!p->sched_class->task_new || !sysctl_sched_child_runs_first ||
(clone_flags & CLONE_VM) || task_cpu(p) != this_cpu ||
!current->se.on_rq) {
activate_task(rq, p, 0);
} else {
/*
* Let the scheduling class do new task startup
* management (if any):
*/
p->sched_class->task_new(rq, p);
p->sched_class->task_new(rq, p, now);
inc_nr_running(p, rq, now);
}
check_preempt_curr(rq, p);
task_rq_unlock(rq, &flags);