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authorBorislav Petkov <bp@suse.de>2017-10-03 18:54:07 +0300
committerJonathan Corbet <corbet@lwn.net>2017-10-04 00:12:03 +0300
commit3ce62385019fbf7d2aea4fd7c73fbd0ddad5c8fd (patch)
tree9c216850b522b6d01ff9e78385b1dc105099190f /Documentation/admin-guide
parentd19cd4bb234383166801b5d46365282808d0c0e5 (diff)
downloadlinux-3ce62385019fbf7d2aea4fd7c73fbd0ddad5c8fd.tar.xz
Documentation: Improve softlockup_panic= description text
It should say what that <integer> range is and what that integer value means. I had to look at the code... Signed-off-by: Borislav Petkov <bp@suse.de> [jc: changed non-null to nonzero] Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/admin-guide')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index fcaa8558ed7e..f02961bda6f4 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3885,6 +3885,12 @@
[KNL] Should the soft-lockup detector generate panics.
Format: <integer>
+ A nonzero value instructs the soft-lockup detector
+ to panic the machine when a soft-lockup occurs. This
+ is also controlled by CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC
+ which is the respective build-time switch to that
+ functionality.
+
softlockup_all_cpu_backtrace=
[KNL] Should the soft-lockup detector generate
backtraces on all cpus.