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Diffstat (limited to 'cpukit/include/rtems/confdefs/percpu.h')
-rw-r--r--cpukit/include/rtems/confdefs/percpu.h18
1 files changed, 13 insertions, 5 deletions
diff --git a/cpukit/include/rtems/confdefs/percpu.h b/cpukit/include/rtems/confdefs/percpu.h
index badb616988..3bea8340cb 100644
--- a/cpukit/include/rtems/confdefs/percpu.h
+++ b/cpukit/include/rtems/confdefs/percpu.h
@@ -134,11 +134,19 @@ RTEMS_DEFINE_GLOBAL_SYMBOL(
const size_t _Thread_Idle_stack_size = CONFIGURE_IDLE_TASK_STACK_SIZE;
-char _Thread_Idle_stacks[
- _CONFIGURE_MAXIMUM_PROCESSORS
- * ( CONFIGURE_IDLE_TASK_STACK_SIZE + CPU_IDLE_TASK_IS_FP * CONTEXT_FP_SIZE )
-] RTEMS_ALIGNED( CPU_INTERRUPT_STACK_ALIGNMENT )
-RTEMS_SECTION( ".rtemsstack.idle" );
+/*
+ * If the user provides a custom idle stack allocator, then we do not need
+ * memory reserved for the stacks but the symbol is still referenced in
+ * threadcreateidle.c. The code path just never uses it. Make it minimal
+ * size to proceed.
+ */
+#ifndef CONFIGURE_TASK_STACK_ALLOCATOR_FOR_IDLE
+ char _Thread_Idle_stacks[
+ _CONFIGURE_MAXIMUM_PROCESSORS
+ * ( CONFIGURE_IDLE_TASK_STACK_SIZE + CPU_IDLE_TASK_IS_FP * CONTEXT_FP_SIZE )
+ ] RTEMS_ALIGNED( CPU_INTERRUPT_STACK_ALIGNMENT )
+ RTEMS_SECTION( ".rtemsstack.idle" );
+#endif
#if defined(CONFIGURE_IDLE_TASK_INITIALIZES_APPLICATION) && \
!defined(CONFIGURE_IDLE_TASK_BODY)