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| author |   Thomas Gleixner <tglx@linutronix.de> | 2019-07-28 22:22:40 +0200 |
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| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-07-28 22:22:40 +0200 |
| commit | 7a30bdd99f37352b188575b27924c407c6ddff9e (patch) | |
| tree | 10ea40ab1b5211e75c33eaddb3a6b393ad6ee7ad /Documentation/admin-guide/clearing-warn-once.rst | |
| parent | x86/speculation/swapgs: Exclude ATOMs from speculation through SWAPGS (diff) | |
| parent | Linux 5.3-rc2 (diff) | |
| download | linux-dev-7a30bdd99f37352b188575b27924c407c6ddff9e.tar.xz linux-dev-7a30bdd99f37352b188575b27924c407c6ddff9e.zip | |
Merge branch master from git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Pick up the spectre documentation so the Grand Schemozzle can be added.
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. |