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-rw-r--r--Documentation/sysctl/kernel.txt14
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index 694968c7523c..63663039acb7 100644
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@ -34,6 +34,7 @@ show up in /proc/sys/kernel:
- hostname
- hotplug
- hardlockup_all_cpu_backtrace
+- hardlockup_panic
- hung_task_panic
- hung_task_check_count
- hung_task_timeout_secs
@@ -313,6 +314,19 @@ will be initiated.
1: on detection capture more debug information.
==============================================================
+hardlockup_panic:
+
+This parameter can be used to control whether the kernel panics
+when a hard lockup is detected.
+
+ 0 - don't panic on hard lockup
+ 1 - panic on hard lockup
+
+See Documentation/lockup-watchdogs.txt for more information. This can
+also be set using the nmi_watchdog kernel parameter.
+
+==============================================================
+
hotplug:
Path for the hotplug policy agent.