diff --git a/make_defconfig.sh b/make_defconfig.sh
new file mode 100755
index 000000000000..34d8ca1cda44
--- /dev/null
+++ b/make_defconfig.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+DEFCONFIG_FILE=$1
+
+if [ -z "$DEFCONFIG_FILE" ]; then
+	echo "Need defconfig file(j1v-perf_defconfig)!"
+	exit -1
+fi
+
+if [ ! -e arch/arm/configs/$DEFCONFIG_FILE ]; then
+	echo "No such file : arch/arm/configs/$DEFCONFIG_FILE"
+	exit -1
+fi
+
+# make .config
+env KCONFIG_NOTIMESTAMP=true \
+make ARCH=arm CROSS_COMPILE=arm-eabi- ${DEFCONFIG_FILE}
+
+# run menuconfig
+env KCONFIG_NOTIMESTAMP=true \
+make menuconfig ARCH=arm
+
+make savedefconfig ARCH=arm
+# copy .config to defconfig
+mv defconfig arch/arm/configs/${DEFCONFIG_FILE}
+# clean kernel object
+make mrproper