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The da_monitor_reset_all() function for per-task monitors takes tasklist_lock while iterating over tasks, then keeps it also while iterating over idle tasks (one per CPU). The latter is not necessary since the lock needs to guard only for_each_process_thread(). Use a scoped_guard for more compact syntax and adjust the scope only where the lock is necessary. Reviewed-by: Wen Yang <wen.yang@linux.dev> Reviewed-by: Nam Cao <namcao@linutronix.de> Link: https://lore.kernel.org/r/20260601153840.124372-13-gmonaco@redhat.com Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>