linux-kernel - [PATCH V2 4/4] doc: watchdog: Modify the doc related to "watchdog/%u"

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Date:   Thu,  1 Apr 2021 11:31:34 +0800
From:   Wang Qing <wangqing@...o.com>
To:     Jonathan Corbet <corbet@....net>, Joe Perches <joe@...ches.com>,
        Wang Qing <wangqing@...o.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Stephen Kitt <steve@....org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        "Guilherme G. Piccoli" <gpiccoli@...onical.com>,
        Eric Biggers <ebiggers@...gle.com>,
        Qais Yousef <qais.yousef@....com>,
        Petr Mladek <pmladek@...e.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Santosh Sivaraj <santosh@...six.org>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Andrey Ignatov <rdna@...com>
Cc:     gregkh@...uxfoundation.org
Subject: [PATCH V2 4/4] doc: watchdog: Modify the doc related to "watchdog/%u"

"watchdog/%u" threads has be replaced by cpu_stop_work. The current 
description is extremely misleading.
---
 Documentation/admin-guide/sysctl/kernel.rst | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index 1d56a6b..32b0791
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -1282,11 +1282,11 @@ This parameter can be used to control the soft lockup detector.
 = =================================
 
 The soft lockup detector monitors CPUs for threads that are hogging the CPUs
-without rescheduling voluntarily, and thus prevent the 'watchdog/N' threads
-from running. The mechanism depends on the CPUs ability to respond to timer
-interrupts which are needed for the 'watchdog/N' threads to be woken up by
-the watchdog timer function, otherwise the NMI watchdog — if enabled — can
-detect a hard lockup condition.
+without rescheduling voluntarily, and thus prevent the 'migration/N' threads
+from running, causing the watchdog work fail to execute. The mechanism depends
+on the CPUs ability to respond to timer interrupts which are needed for the
+watchdog work to be queued by the watchdog timer function, otherwise the NMI
+watchdog — if enabled — can detect a hard lockup condition.
 
 
 stack_erasing
-- 
2.7.4