diff options
-rw-r--r-- | firmware/kernel.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/firmware/kernel.c b/firmware/kernel.c index 4e56c2919a..006a06dfe0 100644 --- a/firmware/kernel.c +++ b/firmware/kernel.c @@ -1076,7 +1076,13 @@ void mutex_unlock(struct mutex *m) #endif /* transfer to next queued thread if any */ - m->thread = wakeup_thread_no_listlock(&m->queue); + + /* This can become busy using SWP but is safe since only one thread + will be changing things at a time. Allowing timeout waits will + change that however but not now. There is also a hazard the thread + could be killed before performing the wakeup but that's just + irresponsible. :-) */ + m->thread = m->queue; if(m->thread == NULL) { @@ -1087,6 +1093,7 @@ void mutex_unlock(struct mutex *m) } else /* another thread is waiting - remain locked */ { + wakeup_thread_no_listlock(&m->queue); #if CONFIG_CORELOCK == SW_CORELOCK corelock_unlock(&m->cl); #elif CONFIG_CORELOCK == CORELOCK_SWAP |