diff options
Diffstat (limited to 'sys/kern/sched_ule.c')
| -rw-r--r-- | sys/kern/sched_ule.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c index c6889ccd9332..7d8205c80414 100644 --- a/sys/kern/sched_ule.c +++ b/sys/kern/sched_ule.c @@ -1224,6 +1224,8 @@ sched_pickcpu(struct thread *td, int flags) self = PCPU_GET(cpuid); ts = td_get_sched(td); + KASSERT(!CPU_ABSENT(ts->ts_cpu), ("sched_pickcpu: Start scheduler on " + "absent CPU %d for thread %s.", ts->ts_cpu, td->td_name)); if (smp_started == 0) return (self); /* @@ -1294,6 +1296,7 @@ sched_pickcpu(struct thread *td, int flags) if (cpu == -1) cpu = sched_lowest(cpu_top, mask, -1, INT_MAX, ts->ts_cpu); KASSERT(cpu != -1, ("sched_pickcpu: Failed to find a cpu.")); + KASSERT(!CPU_ABSENT(cpu), ("sched_pickcpu: Picked absent CPU %d.", cpu)); /* * Compare the lowest loaded cpu to current cpu. */ @@ -1400,6 +1403,7 @@ sched_setup(void *dummy) /* Add thread0's load since it's running. */ TDQ_LOCK(tdq); + td_get_sched(&thread0)->ts_cpu = curcpu; /* Something valid to start */ thread0.td_lock = TDQ_LOCKPTR(TDQ_SELF()); tdq_load_add(tdq, &thread0); tdq->tdq_lowpri = thread0.td_priority; @@ -1837,6 +1841,9 @@ sched_switch_migrate(struct tdq *tdq, struct thread *td, int flags) { struct tdq *tdn; + KASSERT(!CPU_ABSENT(td_get_sched(td)->ts_cpu), ("sched_switch_migrate: " + "thread %s queued on absent CPU %d.", td->td_name, + td_get_sched(td)->ts_cpu)); tdn = TDQ_CPU(td_get_sched(td)->ts_cpu); #ifdef SMP tdq_load_rem(tdq, td); @@ -2444,6 +2451,7 @@ sched_add(struct thread *td, int flags) * Pick the destination cpu and if it isn't ours transfer to the * target cpu. */ + td_get_sched(td)->ts_cpu = curcpu; /* Pick something valid to start */ cpu = sched_pickcpu(td, flags); tdq = sched_setcpu(td, cpu, flags); tdq_add(tdq, td, flags); |