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authorWang Qing <wangqing@vivo.com>2021-06-29 05:34:24 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-06-29 20:53:46 +0300
commit256f7a6791e8f19bafa1d702f69a6a6ba16250e3 (patch)
tree5d9d4619746da00e0210734ed957a6e348f53e1c /Documentation
parente55fda8cdcba2cb3d5d46ae5fcd5f243f8b70d6e (diff)
downloadlinux-256f7a6791e8f19bafa1d702f69a6a6ba16250e3.tar.xz
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@vivo.com Signed-off-by: Wang Qing <wangqing@vivo.com> Reviewed-by: Petr Mladek <pmladek@suse.com> Cc: "Guilherme G. Piccoli" <gpiccoli@canonical.com> Cc: Joe Perches <joe@perches.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Kees Cook <keescook@chromium.org> Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Cc: Qais Yousef <qais.yousef@arm.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Santosh Sivaraj <santosh@fossix.org> Cc: Stephen Kitt <steve@sk2.org> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/admin-guide/sysctl/kernel.rst10
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index 68b21395a743..04c79017814b 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -1283,11 +1283,11 @@ 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.
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