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authorWang Qing <[email protected]>2021-06-28 19:34:24 -0700
committerLinus Torvalds <[email protected]>2021-06-29 10:53:46 -0700
commit256f7a6791e8f19bafa1d702f69a6a6ba16250e3 (patch)
tree5d9d4619746da00e0210734ed957a6e348f53e1c
parente55fda8cdcba2cb3d5d46ae5fcd5f243f8b70d6e (diff)
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/[email protected] Signed-off-by: Wang Qing <[email protected]> Reviewed-by: Petr Mladek <[email protected]> Cc: "Guilherme G. Piccoli" <[email protected]> Cc: Joe Perches <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: Kees Cook <[email protected]> Cc: Mauro Carvalho Chehab <[email protected]> Cc: Qais Yousef <[email protected]> Cc: Randy Dunlap <[email protected]> Cc: Santosh Sivaraj <[email protected]> Cc: Stephen Kitt <[email protected]> Cc: Vlastimil Babka <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-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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