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- Only change the run queue in sched_prio() if the kse is non null. threads

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can be in the TD_ON_RUNQ state and not have an associated kse.
 - Remove the PRI_IDLE special case from sched_clock(), it was not actually
   necessary.
This commit is contained in:
jeff 2003-10-28 03:28:48 +00:00
parent 0327df13d0
commit 7742522f99
1 changed files with 2 additions and 10 deletions
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12
sys/kern/sched_ule.c
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@ -789,10 +789,10 @@ sched_prio(struct thread *td, u_char prio)
* queue. We still call adjustrunqueue below in case kse
* needs to fix things up.
*/
if ((td->td_ksegrp->kg_pri_class == PRI_TIMESHARE &&
if (ke && ((td->td_ksegrp->kg_pri_class == PRI_TIMESHARE &&
prio < td->td_ksegrp->kg_user_pri) ||
(td->td_ksegrp->kg_pri_class == PRI_IDLE &&
prio < PRI_MIN_IDLE)) {
prio < PRI_MIN_IDLE))) {
runq_remove(ke->ke_runq, ke);
ke->ke_runq = KSEQ_CPU(ke->ke_cpu)->ksq_curr;
runq_add(ke->ke_runq, ke);
@ -1075,14 +1075,6 @@ sched_clock(struct thread *td)
CTR4(KTR_ULE, "Tick kse %p (slice: %d, slptime: %d, runtime: %d)",
ke, ke->ke_slice, kg->kg_slptime >> 10, kg->kg_runtime >> 10);
/*
* Idle tasks should always resched.
*/
if (kg->kg_pri_class == PRI_IDLE) {
td->td_flags |= TDF_NEEDRESCHED;
return;
}
/*
* We only do slicing code for TIMESHARE ksegrps.
*/