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-rw-r--r--cpukit/score/include/rtems/score/percpu.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/cpukit/score/include/rtems/score/percpu.h b/cpukit/score/include/rtems/score/percpu.h
index 78196e8a2d..3b63c7c1e1 100644
--- a/cpukit/score/include/rtems/score/percpu.h
+++ b/cpukit/score/include/rtems/score/percpu.h
@@ -334,6 +334,13 @@ typedef struct Per_CPU_Control {
*/
volatile bool dispatch_necessary;
+ /*
+ * Ensure that the executing member is at least 4-byte aligned, see
+ * PER_CPU_OFFSET_EXECUTING. This is necessary on CPU ports with relaxed
+ * alignment restrictions, e.g. type alignment is less than the type size.
+ */
+ bool reserved_for_executing_alignment[ 3 ];
+
/**
* @brief This is the thread executing on this processor.
*