| Andi Kleen | b1fca27 | 2017-11-17 15:27:03 -0800 | [diff] [blame] | 1 | |
| 2 | WARN_ONCE / WARN_ON_ONCE only print a warning once. | ||||
| 3 | |||||
| 4 | echo 1 > /sys/kernel/debug/clear_warn_once | ||||
| 5 | |||||
| 6 | clears the state and allows the warnings to print once again. | ||||
| 7 | This can be useful after test suite runs to reproduce problems. | ||||