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Documentation: Better document the hardlockup_panic sysctl

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Commit ac1f591249 ("kernel/watchdog.c: add sysctl knob
hardlockup_panic") added the hardlockup_panic sysctl, but did not add it
to Documentation/sysctl/kernel.txt.  Add this, and reference it from the
corresponding entry in Documentation/admin-guide/kernel-parameters.txt.

Signed-off-by: Scott Wood <swood@redhat.com>
Acked-by: Christoph von Recklinghausen <crecklin@redhat.com>
Acked-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Scott Wood 2017-12-10 01:48:46 -06:00 • committed by Jonathan Corbet
parent aa73f28e1d
commit d22881dc13
2 changed files with 17 additions and 0 deletions
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3
Documentation/admin-guide/kernel-parameters.txt
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@ -2538,6 +2538,9 @@
This is useful when you use a panic=... timeout and
need the box quickly up again.
These settings can be accessed at runtime via
the nmi_watchdog and hardlockup_panic sysctls.
netpoll.carrier_timeout=
[NET] Specifies amount of time (in seconds) that
netpoll should wait for a carrier. By default netpoll