Messages in this thread Patch in this message | | | From | Wang Qing <> | Subject | [PATCH V2 4/4] doc: watchdog: Modify the doc related to "watchdog/%u" | Date | Thu, 1 Apr 2021 11:31:34 +0800 |
| |
"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
| |