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Tip revision: 15ade5d2e7775667cf191cf2f94327a4889f8b9d authored by Linus Torvalds on 08 April 2019, 00:09:59 UTC
Linux 5.1-rc4
Tip revision: 15ade5d
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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