diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index b7bdc42..1f88edd 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -38,6 +38,6 @@
 
 # the kgdb test puts code into L2 and without linker
 # relaxation, we need to force long calls to/from it
-CFLAGS_kgdb_test.o := -mlong-calls -O0
+CFLAGS_kgdb_test.o := -mlong-calls
 
 obj-$(CONFIG_DEBUG_MMRS)             += debug-mmrs.o
diff --git a/arch/blackfin/kernel/kgdb_test.c b/arch/blackfin/kernel/kgdb_test.c
index 2a6e9db..4a7dcfe 100644
--- a/arch/blackfin/kernel/kgdb_test.c
+++ b/arch/blackfin/kernel/kgdb_test.c
@@ -50,8 +50,7 @@
 
 #endif
 
-
-int kgdb_test(char *name, int len, int count, int z)
+noinline int kgdb_test(char *name, int len, int count, int z)
 {
 	pr_alert("kgdb name(%d): %s, %d, %d\n", len, name, count, z);
 	count = z;