diff options
| -rw-r--r-- | kern/thread.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kern/thread.c b/kern/thread.c index 32546095..c3ae57dc 100644 --- a/kern/thread.c +++ b/kern/thread.c @@ -2326,6 +2326,11 @@ thread_setscheduler(struct thread *thread, unsigned char policy, runq = thread_lock_runq(thread, &flags); + if ((thread_sched_policy(thread) == policy) + && (thread_priority(thread) == priority)) { + goto out; + } + if (thread->state != THREAD_RUNNING) { current = false; } else { @@ -2356,6 +2361,7 @@ thread_setscheduler(struct thread *thread, unsigned char policy, } } +out: thread_unlock_runq(runq, flags); } |