xiaoxiang781216 commented on code in PR #5985:
URL: https://github.com/apache/incubator-nuttx/pull/5985#discussion_r844946571


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arch/risc-v/src/common/riscv_macros.S:
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@@ -128,3 +133,22 @@
   REGLOAD    x31, REG_X31(\out)  /* t6 */
 
 .endm
+
+#if CONFIG_ARCH_INTERRUPTSTACK > 15
+.macro  setintstack tmp0, tmp1
+#ifndef CONFIG_ARCH_USE_SMODE
+#if CONFIG_SMP_NCPUS > 1
+  csrr    \tmp0, mhartid

Review Comment:
   It's by design. since in the SMP case, the user must provide setintstack 
before they can enable interrupt stack.



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