| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | Clearing WARN_ONCE |
| 2 | ------------------ | ||||
| 3 | |||||
| 4 | WARN_ONCE / WARN_ON_ONCE / printk_once only emit a message once. | ||||
| 5 | |||||
| 6 | echo 1 > /sys/kernel/debug/clear_warn_once | ||||
| 7 | |||||
| 8 | clears the state and allows the warnings to print once again. | ||||
| 9 | This can be useful after test suite runs to reproduce problems. | ||||