From d5905d59637cf41fb31d1f293c18f0d7365b1449 Mon Sep 17 00:00:00 2001
From: Xiang Xiao <xiaoxiang@xiaomi.com>
Date: Mon, 23 Mar 2020 19:43:23 +0800
Subject: [PATCH] arch/arm: Fix linker error: undefined reference to
 `g_intstackalloc'

when CONFIG_ARCH_INTERRUPTSTACK, CONFIG_SMP and CONFIG_STACK_COLORATION are true
---
 arch/arm/src/common/up_checkstack.c | 6 ++++++
 arch/arm/src/common/up_initialize.c | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/arch/arm/src/common/up_checkstack.c b/arch/arm/src/common/up_checkstack.c
index fe75ed99cd..12ce6f797f 100644
--- a/arch/arm/src/common/up_checkstack.c
+++ b/arch/arm/src/common/up_checkstack.c
@@ -211,9 +211,15 @@ ssize_t up_check_stack_remain(void)
 #if CONFIG_ARCH_INTERRUPTSTACK > 3
 size_t up_check_intstack(void)
 {
+#ifdef CONFIG_SMP
+  return do_stackcheck(up_intstack_base(),
+                       (CONFIG_ARCH_INTERRUPTSTACK & ~3),
+                       true);
+#else
   return do_stackcheck((uintptr_t)&g_intstackalloc,
                        (CONFIG_ARCH_INTERRUPTSTACK & ~3),
                        true);
+#endif
 }
 
 size_t up_check_intstack_remain(void)
diff --git a/arch/arm/src/common/up_initialize.c b/arch/arm/src/common/up_initialize.c
index 7e802f4b61..7389b324ff 100644
--- a/arch/arm/src/common/up_initialize.c
+++ b/arch/arm/src/common/up_initialize.c
@@ -75,7 +75,11 @@
 #if defined(CONFIG_STACK_COLORATION) && CONFIG_ARCH_INTERRUPTSTACK > 3
 static inline void up_color_intstack(void)
 {
+#ifdef CONFIG_SMP
+  uint32_t *ptr = (uint32_t *)up_intstack_base();
+#else
   uint32_t *ptr = (uint32_t *)&g_intstackalloc;
+#endif
   ssize_t size;
 
   for (size = (CONFIG_ARCH_INTERRUPTSTACK & ~3);