linux/Documentation/clearing-warn-once.txt
Mauro Carvalho Chehab 26187d18b8 docs: clearing-warn-once.txt: add a title for this document
This document misses a title. Add it, in order to follow
the documentation standard.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-04-11 12:37:02 -06:00

10 lines
262 B
Plaintext

Clearing WARN_ONCE
------------------
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.