Unable to disable the kernel watchdog threads in RHEL 8 even after disabling all watchdog sysctl kernel parameters

Issue

Unable to disable the kernel watchdog threads in RHEL 8 even after disabling all watchdog sysctl kernel parameters
Where as in RHEL 9 there is no such kernel watchdog threads are showing

RHEL 8

• watchdog process are still showing even after disabling all watchdog sysctl
  kernel parameters in RHEL 8

• Watchdog process are showing in TASK_PARKED state

       $ cat sos_commands/kernel/sysctl_-a |grep -i watchdog
         kernel.nmi_watchdog = 0
         kernel.soft_watchdog = 0
         kernel.watchdog = 0  <==========
         kernel.watchdog_cpumask = 0
         kernel.watchdog_thresh = 10


       $ cat sos_commands/process/ps_alxwww|grep -i watch
       1     0      13       2  20   0      0     0 -      P    ?          0:00 [watchdog/0]
       1     0      16       2  20   0      0     0 -      P    ?          0:00 [watchdog/1]
       --SNIP--
       1     0     146       2  20   0      0     0 -      P    ?          0:00 [watchdog/19]
       1     0     189       2 -100  -      0     0 -      S    ?          0:00 [watchdogd]
                                                         ^^^^^^

RHEL 9

• There is no watchdog process showing in RHEL 9 , even when kernel.watchdog is enabled

       # sysctl -a|grep -i watchdog
       kernel.nmi_watchdog = 0
       kernel.soft_watchdog = 1
       kernel.watchdog = 1
       kernel.watchdog_cpumask = 0-1
       kernel.watchdog_thresh = 10

       #ps -aux|grep -i watchdog
       root          41  0.0  0.0      0     0 ?        S    18:23   0:00 [watchdogd]
       root        2780  0.0  0.1 221796  2252 pts/0    S+   18:25   0:00 grep --color=auto -i watchdog