diff options
| -rw-r--r-- | sys/kern/kern_synch.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c index 2ac39c8..3fe6047 100644 --- a/sys/kern/kern_synch.c +++ b/sys/kern/kern_synch.c @@ -84,6 +84,7 @@ spinlock_usleep(struct spinlock *lock, size_t usec_max) void spinlock_acquire(struct spinlock *lock) { + sched_preempt_set(false); while (__atomic_test_and_set(&lock->lock, __ATOMIC_ACQUIRE)) { md_pause(); } @@ -117,6 +118,7 @@ void spinlock_release(struct spinlock *lock) { __atomic_clear(&lock->lock, __ATOMIC_RELEASE); + sched_preempt_set(true); } /* |