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Tip revision: d13937116f1e82bf508a6325111b322c30c85eb9 authored by Linus Torvalds on 10 February 2019, 22:42:20 UTC
Linux 5.0-rc6
Tip revision: d139371
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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