diff options
Diffstat (limited to 'sys/kern/sched_bsd.c')
| -rw-r--r-- | sys/kern/sched_bsd.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sys/kern/sched_bsd.c b/sys/kern/sched_bsd.c index 1fa5d319988..635f10664a5 100644 --- a/sys/kern/sched_bsd.c +++ b/sys/kern/sched_bsd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sched_bsd.c,v 1.48 2019/01/06 12:59:45 visa Exp $ */ +/* $OpenBSD: sched_bsd.c,v 1.49 2019/01/28 11:48:13 mpi Exp $ */ /* $NetBSD: kern_synch.c,v 1.37 1996/04/22 01:38:37 christos Exp $ */ /*- @@ -218,6 +218,13 @@ schedcpu(void *arg) LIST_FOREACH(p, &allproc, p_list) { /* + * Idle threads are never placed on the runqueue, + * therefore computing their priority is pointless. + */ + if (p->p_cpu != NULL && + p->p_cpu->ci_schedstate.spc_idleproc == p) + continue; + /* * Increment sleep time (if sleeping). We ignore overflow. */ if (p->p_stat == SSLEEP || p->p_stat == SSTOP) @@ -528,8 +535,13 @@ resetpriority(struct proc *p) void schedclock(struct proc *p) { + struct cpu_info *ci = curcpu(); + struct schedstate_percpu *spc = &ci->ci_schedstate; int s; + if (p == spc->spc_idleproc) + return; + SCHED_LOCK(s); p->p_estcpu = ESTCPULIM(p->p_estcpu + 1); resetpriority(p); |