Re: [PR] spin_lock_irqsave+sched_lock [nuttx]

[via GitHub]

anchao commented on code in PR #14578:
URL: https://github.com/apache/nuttx/pull/14578#discussion_r1859485853


##########
sched/sched/sched_unlock.c:
##########
@@ -37,281 +37,178 @@
 #include "sched/sched.h"
 
 /****************************************************************************
- * Public Functions
+ * Private Data
  ****************************************************************************/
 
+#if defined(CONFIG_SCHED_TICKLESS) && \
+           (CONFIG_RR_INTERVAL > 0 || defined(CONFIG_SCHED_SPORADIC))
+static int preempt_schedule_nestcount = 0;

Review Comment:
   ok, how about decrease lockcount after call `sched_preemt_schedule()`, This 
will ensure that the unlock operation is not recursively processed in context 
switch flow.
   
![image](https://github.com/user-attachments/assets/ef5f55c2-64ca-4232-9d34-e8fc60b1e0ef)
   



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