From: Omar Sandoval <osandov@xxxxxx>
This parameter has been around since commit e162b39a368f ("softlockup:
decouple hung tasks check from softlockup detection") in 2009 but was
never documented.
Signed-off-by: Omar Sandoval <osandov@xxxxxx>
---
Documentation/admin-guide/kernel-parameters.txt | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 11fc28ecdb6d..4e37bebdc3d0 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1341,6 +1341,16 @@
x86-64 are 2M (when the CPU supports "pse") and 1G
(when the CPU supports the "pdpe1gb" cpuinfo flag).
+ hung_task_panic=
+ [KNL] Should the hung task detector generate panics.
+ Format: <integer>
+
+ A nonzero value instructs the kernel to panic when a
+ hung task is detected. The default value is controlled
+ by the CONFIG_BOOTPARAM_HUNG_TASK_PANIC build-time
+ option. The value selected by this boot parameter can
+ be changed later by the kernel.hung_task_panic sysctl.
+
hvc_iucv= [S390] Number of z/VM IUCV hypervisor console (HVC)
terminal devices. Valid values: 0..8
hvc_iucv_allow= [S390] Comma-separated list of z/VM user IDs.
--
2.17.0
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