GUIDINGLI commented on code in PR #15562:
URL: https://github.com/apache/nuttx/pull/15562#discussion_r1926745628


##########
sched/irq/irq_initialize.c:
##########
@@ -87,5 +96,11 @@ void irq_initialize(void)
 #endif
 
   up_irqinitialize();
+
+#ifdef CONFIG_ARCH_PROTECT_ZERO_ADDRESS
+  up_debugpoint_add(DEBUGPOINT_WATCHPOINT_RW, 0, 0,

Review Comment:
   The thing we should focus on more is protect range, NOT only protect the 0, 
and also the offset.
   And the protect method rather MPU or rather watchpoint, both support should 
be.
   



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