blob: 5b1f5d547be12d965da254a83e6b9cb24272842d [file] [log] [blame]
WARN_ONCE / WARN_ON_ONCE only print a warning once.
echo 1 > /sys/kernel/debug/clear_warn_once
clears the state and allows the warnings to print once again.
This can be useful after test suite runs to reproduce problems.