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| author | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-06-27 19:56:51 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-07-15 16:03:02 +0200 |
| commit | 4f4cfa6c560c93ba180c30675cf845e1597de44c (patch) | |
| tree | 0bbe2ec9e6ef62ed2a347504dda50c6bdbe43703 /Documentation/admin-guide/clearing-warn-once.rst | |
| parent | docs: cgroup-v1: add it to the admin-guide book (diff) | |
| download | linux-4f4cfa6c560c93ba180c30675cf845e1597de44c.tar.xz linux-4f4cfa6c560c93ba180c30675cf845e1597de44c.zip | |
docs: admin-guide: add a series of orphaned documents
There are lots of documents that belong to the admin-guide but
are on random places (most under Documentation root dir).
Move them to the admin guide.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'Documentation/admin-guide/clearing-warn-once.rst')
| -rw-r--r-- | Documentation/admin-guide/clearing-warn-once.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/admin-guide/clearing-warn-once.rst b/Documentation/admin-guide/clearing-warn-once.rst new file mode 100644 index 000000000000..211fd926cf00 --- /dev/null +++ b/Documentation/admin-guide/clearing-warn-once.rst @@ -0,0 +1,9 @@ +Clearing WARN_ONCE +------------------ + +WARN_ONCE / WARN_ON_ONCE / printk_once only emit a message 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. |