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-rw-r--r--testsuites/sptests/spextensions01/init.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/testsuites/sptests/spextensions01/init.c b/testsuites/sptests/spextensions01/init.c
index 7ce1da5320..06dc3109b1 100644
--- a/testsuites/sptests/spextensions01/init.c
+++ b/testsuites/sptests/spextensions01/init.c
@@ -453,6 +453,15 @@ static void test(void)
#endif
active_extensions = 4;
+
+ /*
+ * In SMP configurations, the context switch from the system initialization
+ * context to the initialization task is visible to the context switch
+ * extensions.
+ *
+ * In uniprocessor configurations, this is not the case and two counter
+ * increments are missing.
+ */
#ifdef RTEMS_SMP
assert(counter == 12);
#else