leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

doc: kernel-parameters.txt: fix documentation of nmi_watchdog parameter

Browse Source 
The default behavior of hardlockup depends on the config of
CONFIG_BOOTPARAM_HARDLOCKUP_PANIC.

Fix the description of nmi_watchdog to make it clear.

Suggested-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Kees Cook <keescook@chromium.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Zhenzhong Duan 2019-05-21 10:32:08 +08:00 committed by Jonathan Corbet
parent fe4ec72cca
commit 93285c0197
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
Documentation/admin-guide/kernel-parameters.txt
View File

@ -2836,8 +2836,9 @@
0 - turn hardlockup detector in nmi_watchdog off 0 - turn hardlockup detector in nmi_watchdog off
1 - turn hardlockup detector in nmi_watchdog on 1 - turn hardlockup detector in nmi_watchdog on
When panic is specified, panic when an NMI watchdog When panic is specified, panic when an NMI watchdog
timeout occurs (or 'nopanic' to override the opposite timeout occurs (or 'nopanic' to not panic on an NMI
default). To disable both hard and soft lockup detectors, watchdog, if CONFIG_BOOTPARAM_HARDLOCKUP_PANIC is set)
To disable both hard and soft lockup detectors,
please see 'nowatchdog'. please see 'nowatchdog'.
This is useful when you use a panic=... timeout and This is useful when you use a panic=... timeout and
need the box quickly up again. need the box quickly up again.