diff options
Diffstat (limited to 'sys/kern/kern_condvar.c')
| -rw-r--r-- | sys/kern/kern_condvar.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/sys/kern/kern_condvar.c b/sys/kern/kern_condvar.c index 26f5376..3ce9aff 100644 --- a/sys/kern/kern_condvar.c +++ b/sys/kern/kern_condvar.c @@ -130,16 +130,14 @@ cv_check_upcall(struct thread *td) if ((td->td_proc->p_flag & P_KSES) && td->td_mailbox && (td->td_flags & TDF_INMSLEEP) == 0) { /* - * If we have no queued work to do, - * upcall to the UTS to see if it has more work. * We don't need to upcall now, just queue it. + * The upcall will happen when other n-kernel work + * in this SKEGRP has completed. + * Don't recurse here! */ - if (TAILQ_FIRST(&td->td_ksegrp->kg_runq) == NULL) { - /* Don't recurse here! */ - td->td_flags |= TDF_INMSLEEP; - thread_schedule_upcall(td, td->td_kse); - td->td_flags &= ~TDF_INMSLEEP; - } + td->td_flags |= TDF_INMSLEEP; + thread_schedule_upcall(td, td->td_kse); + td->td_flags &= ~TDF_INMSLEEP; } } |
