pussuw opened a new pull request, #15820:
URL: https://github.com/apache/nuttx/pull/15820

   ## Summary
   
   Enable interrupts on all cores, when enabling an external interrupt source.
   
   Instead of enabling an interrupt on the calling hart, enable it on every 
hart. This should balance the interrupt load some, especially in cases where 
the interrupt source is enabled only once (which will almost certainly happen 
on CPU 0 only).
   
   ## Impact
   
   Impact is MPFS platform, SMP mode only.
   
   ## Testing
   
   Tested with downstream MPFS target, with SMP=y and SMP=n.
   


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