[patch 021/192] doc: watchdog: modify the doc related to "watchdog/%u"

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From: Wang Qing <wangqing@xxxxxxxx>
Subject: 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.

Link: https://lkml.kernel.org/r/1619687073-24686-5-git-send-email-wangqing@xxxxxxxx
Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
Reviewed-by: Petr Mladek <pmladek@xxxxxxxx>
Cc: "Guilherme G. Piccoli" <gpiccoli@xxxxxxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
Cc: Qais Yousef <qais.yousef@xxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Santosh Sivaraj <santosh@xxxxxxxxxx>
Cc: Stephen Kitt <steve@xxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 Documentation/admin-guide/sysctl/kernel.rst |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

--- a/Documentation/admin-guide/sysctl/kernel.rst~doc-watchdog-modify-the-doc-related-to-watchdog-%u
+++ a/Documentation/admin-guide/sysctl/kernel.rst
@@ -1283,11 +1283,11 @@ This parameter can be used to control th
 = =================================
 
 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
_




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