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-rw-r--r--tools/testing/selftests/vDSO/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/vDSO/Makefile b/tools/testing/selftests/vDSO/Makefile
index d586d3e7a7c1..04930125035e 100644
--- a/tools/testing/selftests/vDSO/Makefile
+++ b/tools/testing/selftests/vDSO/Makefile
@@ -14,7 +14,7 @@ TEST_GEN_PROGS += vdso_test_getrandom
TEST_GEN_PROGS += vdso_test_chacha
endif
-CFLAGS := -std=gnu99
+CFLAGS := -std=gnu99 -O2
ifeq ($(CONFIG_X86_32),y)
LDLIBS += -lgcc_s