| 740 | } |
| 741 | |
| 742 | void |
| 743 | spinlock_enter(void) |
| 744 | { |
| 745 | struct thread *td; |
| 746 | register_t daif; |
| 747 | |
| 748 | td = curthread; |
| 749 | if (td->td_md.md_spinlock_count == 0) { |
| 750 | daif = intr_disable(); |
| 751 | td->td_md.md_spinlock_count = 1; |
| 752 | td->td_md.md_saved_daif = daif; |
| 753 | critical_enter(); |
| 754 | } else |
| 755 | td->td_md.md_spinlock_count++; |
| 756 | } |
| 757 | |
| 758 | void |
| 759 | spinlock_exit(void) |
no test coverage detected