hujun260 opened a new pull request, #14939:
URL: https://github.com/apache/nuttx/pull/14939

   
   ## Summary
   
   spinlock: remove recursive locks with write_lock_irqsave/read_lock_irqsave
   reason:
   1 There is a similar PR, https://github.com/apache/nuttx/pull/14079,
   2 Currently, no one is using recursive locks with 
write_lock_irqsave/read_lock_irqsave.
   3 Nested spinlock is harmful, prone to abuse and leading to a decline in 
code quality and performance 
   4 Nested spinlock is also not available in Linux.
   5 In our future plans, nested usage of enter_critical_section and 
spin_lock_irqsave will also be removed.
   
   
   ## Impact
   
   spinlock
   
   ## Testing
   ci 
   
   
   


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