wangchdo opened a new pull request, #17324:
URL: https://github.com/apache/nuttx/pull/17324

   ## Summary
   
   nxsched_deliver_task() or nxsched_merge_pending() should only be
   called when a context switch is required. This behavior is
   independent of whether the current task is locked.
   
   ## Impact
   
   Fix nxsched_suspend() logic issue
   
   ## Testing
   
   **ostest passed on board a2g-tc397-5v-tft**
   
   ```
   NuttShell (NSH)
   nsh>
   nsh>
   nsh> uname -a
   NuttX 0.0.0 c47bc752f9 Nov 13 2025 10:16:32 tricore a2g-tc397-5v-tft
   nsh>
   nsh> ostest
   
   (...)
   
   user_main: scheduler lock test
   sched_lock: Starting lowpri_thread at 97
   sched_lock: Set lowpri_thread priority to 97
   sched_lock: Starting highpri_thread at 98
   sched_lock: Set highpri_thread priority to 98
   sched_lock: Waiting...
   sched_lock: PASSED No pre-emption occurred while scheduler was locked.
   sched_lock: Starting lowpri_thread at 97
   sched_lock: Set lowpri_thread priority to 97
   sched_lock: Starting highpri_thread at 98
   sched_lock: Set highpri_thread priority to 98
   sched_lock: Waiting...
   sched_lock: PASSED No pre-emption occurred while scheduler was locked.
   sched_lock: Finished
   
   End of test memory usage:
   VARIABLE  BEFORE   AFTER
   ======== ======== ========
   arena       28dfc    28dfc
   ordblks         7        6
   mxordblk    1f8c8    1f8c8
   uordblks     670c     553c
   fordblks    226f0    238c0
   
   user_main: nxevent test
   
   End of test memory usage:
   VARIABLE  BEFORE   AFTER
   ======== ======== ========
   arena       28dfc    28dfc
   ordblks         6        6
   mxordblk    1f8c8    1f8c8
   uordblks     553c     553c
   fordblks    238c0    238c0
   
   Final memory usage:
   VARIABLE  BEFORE   AFTER
   ======== ======== ========
   arena       28dfc    28dfc
   ordblks         1        6
   mxordblk    24238    1f8c8
   uordblks     4bc4     553c
   fordblks    24238    238c0
   user_main: Exiting
   ostest_main: Exiting with status 0
   nsh>
   ```
   


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