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Revision 49a57857aeea06ca831043acbb0fa5e0f50602fd authored by Linus Torvalds on 21 January 2019, 00:14:44 UTC, committed by Linus Torvalds on 21 January 2019, 00:14:44 UTC 
Linux 5.0-rc3
1 parent 1e556ba
Raw File
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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