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Tip revision: 17b57b1883c1285f3d0dc2266e8f79286a7bef38 authored by Greg Kroah-Hartman on 30 September 2018, 14:15:35 UTC
Linux 4.19-rc6
Tip revision: 17b57b1
clearing-warn-once.txt

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.
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