diff options
Diffstat (limited to 'kern')
| -rw-r--r-- | kern/thread.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/kern/thread.c b/kern/thread.c index ba9bb54e..fa61976f 100644 --- a/kern/thread.c +++ b/kern/thread.c @@ -1622,10 +1622,28 @@ thread_setup_balancer(struct thread_runq *runq) static void thread_idle(void *arg) { - (void)arg; + struct thread *self; + unsigned int cpu; + + self = thread_self(); + cpu = thread_runq_id(arg); + + for (;;) { + thread_preempt_disable(); + + for (;;) { + cpu_intr_disable(); - for (;;) - cpu_idle(); + if (thread_test_flag(self, THREAD_RESCHEDULE)) { + cpu_intr_enable(); + break; + } + + cpu_idle(); + } + + thread_preempt_enable(); + } } static void __init @@ -1650,7 +1668,7 @@ thread_setup_idler(struct thread_runq *runq) attr.task = kernel_task; attr.name = name; attr.policy = THREAD_SCHED_POLICY_IDLE; - thread_init(idler, stack, &attr, thread_idle, NULL); + thread_init(idler, stack, &attr, thread_idle, runq); /* An idler thread needs special tuning */ idler->state = THREAD_RUNNING; |