diff --git a/arch/arc/core/thread.c b/arch/arc/core/thread.c
index fdd8d81bd55..d36b8e60677 100644
--- a/arch/arc/core/thread.c
+++ b/arch/arc/core/thread.c
@@ -268,8 +268,8 @@ FUNC_NORETURN void arch_user_mode_enter(k_thread_entry_t user_entry,
 	configure_mpu_thread(_current);
 
 	z_arc_userspace_enter(user_entry, p1, p2, p3,
-			     (u32_t)_current->stack_obj,
-			     _current->stack_info.size);
+			      (u32_t)_current->stack_obj,
+			      _current->stack_info.size, _current);
 	CODE_UNREACHABLE;
 }
 
diff --git a/arch/arc/core/userspace.S b/arch/arc/core/userspace.S
index 03e4ffaf694..aa266d49cc2 100644
--- a/arch/arc/core/userspace.S
+++ b/arch/arc/core/userspace.S
@@ -123,11 +123,11 @@ _clear_user_stack:
 	jlt _clear_user_stack
 
 /* reload the stack checking regs as the original kernel stack
- * becomess user stack
+ * becomes user stack
  */
 #ifdef CONFIG_ARC_STACK_CHECKING
-	mov_s r1, _kernel
-	ld_s r2, [r1, _kernel_offset_to_current]
+/* current thread in r6, SMP case is also considered */
+	mov r2, r6
 
 	_load_stack_check_regs
 
diff --git a/arch/arc/include/kernel_arch_func.h b/arch/arc/include/kernel_arch_func.h
index c0b235cac4f..06409a928e1 100644
--- a/arch/arc/include/kernel_arch_func.h
+++ b/arch/arc/include/kernel_arch_func.h
@@ -64,7 +64,8 @@ extern void z_thread_entry_wrapper(void);
 extern void z_user_thread_entry_wrapper(void);
 
 extern void z_arc_userspace_enter(k_thread_entry_t user_entry, void *p1,
-		 void *p2, void *p3, u32_t stack, u32_t size);
+		 void *p2, void *p3, u32_t stack, u32_t size,
+		 struct k_thread *thread);
 
 
 extern void arch_switch(void *switch_to, void **switched_from);