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sched: fix load balancer locking

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Matheus
2025-08-31 22:26:58 -03:00
parent 101f158ee3
commit 1c314b7098
1 changed files with 3 additions and 2 deletions
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kernel-src/sys/scheduler/queue.c
+3 -2
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@@ -170,8 +170,9 @@ static thread_t *pop_from_calendar_queue(sched_calendar_queue_t *calendar_queue)
thread = calendar_queue->queues[calendar_queue->run];
if (thread)
calendar_queue->queues[calendar_queue->run] = thread->next;
else
calendar_queue->run = (calendar_queue->run + 1) % SCHED_RUN_QUEUE_SIZE;
calendar_queue->run = (calendar_queue->run + 1) % SCHED_RUN_QUEUE_SIZE;
if (calendar_queue->run == calendar_queue->ins)
calendar_queue->ins = (calendar_queue->ins + 1) % SCHED_RUN_QUEUE_SIZE;
} while (thread == NULL);
@@ -320,7 +321,7 @@ void sched_load_balancer(context_t *, dpcarg_t) {
if (old_least_loaded && old_least_loaded != most_loaded && old_least_loaded != old_most_loaded)
spinlock_release(&old_least_loaded->sched_lock);
if (old_least_loaded == NULL && old_most_loaded == NULL)
if (least_loaded != smp_cpus[i] && most_loaded != smp_cpus[i])
spinlock_release(&smp_cpus[i]->sched_lock);
}