linux-kernel - [PATCH] Documentation: Improve softlockup

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Message-Id: <20171003155407.25471-1-bp@alien8.de>
Date:   Tue,  3 Oct 2017 17:54:07 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org
Subject: [PATCH] Documentation: Improve softlockup_panic= description text

From: Borislav Petkov <bp@...e.de>

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@...e.de>
Cc: Jonathan Corbet <corbet@....net>
Cc: linux-doc@...r.kernel.org
---
 Documentation/admin-guide/kernel-parameters.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 9a84483db403..c14cd2645c1f 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3887,6 +3887,12 @@
 			[KNL] Should the soft-lockup detector generate panics.
 			Format: <integer>
 
+			A non-null 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.
-- 
2.13.0