wangchdo commented on code in PR #17043:
URL: https://github.com/apache/nuttx/pull/17043#discussion_r2363528021


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include/nuttx/arch.h:
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@@ -2564,6 +2564,9 @@ void irq_dispatch(int irq, FAR void *context);
 #ifdef CONFIG_STACK_COLORATION
 struct tcb_s;
 size_t up_check_tcbstack(FAR struct tcb_s *tcb);
+#ifdef CONFIG_TASK_STACK_OVERFLOW_CHECK
+bool up_check_tcbstack_overflow(FAR struct tcb_s *tcb);

Review Comment:
   Up_check_tcbstack check how much stack has been used,which is too time 
consuming to be used in task context switch to do stack overflow check. The new 
function only check the threshold is met, it is much more efficient



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