xiaoxiang781216 commented on a change in pull request #5782:
URL: https://github.com/apache/incubator-nuttx/pull/5782#discussion_r837853907



##########
File path: arch/risc-v/src/common/riscv_swint.c
##########
@@ -179,6 +187,31 @@ int riscv_swint(int irq, void *context, void *arg)
   riscv_registerdump(regs);
 #endif
 
+  /* Handle the syscall */
+
+  regs = riscv_handle_syscall(regs);
+
+  /* Report what happened.  That might difficult in the case of a context
+   * switch
+   */
+
+#ifdef CONFIG_DEBUG_SYSCALL_INFO

Review comment:
       Yes, but the S-mode context switch is important as U-mode context 
switch, so it's better to log both if user enable it.




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