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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2021/04/01 12:34:34 UTC

[GitHub] [incubator-nuttx] masayuki2009 commented on a change in pull request #3265: arch: armv7-a: Fix memory corruption in SMP mode

masayuki2009 commented on a change in pull request #3265:
URL: https://github.com/apache/incubator-nuttx/pull/3265#discussion_r605621382



##########
File path: arch/arm/src/armv7-a/arm_cpustart.c
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@@ -94,6 +118,10 @@ int arm_start_handler(int irq, FAR void *context, FAR void *arg)
 
   sinfo("CPU%d Started\n", this_cpu());
 
+  /* Set IRQ mode stack for this CPU */
+
+  set_irqstack((uintptr_t)&g_irqtmp + (8  * this_cpu()));

Review comment:
       @xiaoxiang781216 
   
   Because it's difficult to write the same thing in assembler at the beginning of arm_vectorirq().
   




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