diff --git a/.github/workflows/android14-5.15-SM-X910.yml b/.github/workflows/android14-5.15-SM-X910.yml
index fd208c1..8159b0e 100644
--- a/.github/workflows/android14-5.15-SM-X910.yml
+++ b/.github/workflows/android14-5.15-SM-X910.yml
@@ -94,17 +94,15 @@ jobs:
         head -n 10 common/Makefile
         # BUILD_CONFIG=common/build.config.gki.aarch64 build/config.sh savedefconfig
         # LTO=thin BUILD_CONFIG=common/build.config.gki.aarch64 build/build.sh
-        # BUILD_CONFIG=common/arch/arm64/configs/kalama_gki_defconfig build/config.sh savedefconfig
-        # cd common
-        # echo "will do make mrproper"
-        # make mrproper
-        # cd ..
         export ARCH=arm64
-        #export CROSS_COMPILE=aarch64-linux-android-
         sed -i 's/CONFIG_DEBUG_INFO_BTF=y/CONFIG_DEBUG_INFO_BTF=n/' common/arch/arm64/configs/kalama_gki_defconfig
         sed -i 's/CONFIG_DEBUG_INFO_BTF_MODULES=y/CONFIG_DEBUG_INFO_BTF_MODULES=n/' common/arch/arm64/configs/kalama_gki_defconfig
-        echo "will do savedefconfig"
-        BUILD_CONFIG=common/build.config.gki.aarch64 KERNEL_DEFCONFIG=kalama_gki_defconfig build/config.sh savedefconfig
+        echo "wil build sing-file.c"
+        gcc common/scripts/sign-file.c -o common/scripts/sign-file -lssl -lcrypto
+        echo "will do build/config.sh"
+        #BUILD_CONFIG=common/build.config.gki.aarch64 build/config.sh savedefconfig
+        BUILD_CONFIG=common/build.config.gki.aarch64 build/config.sh kalama_gki_defconfig
+        # BUILD_CONFIG=common/build.config.gki.aarch64 KERNEL_DEFCONFIG=kalama_gki_defconfig build/config.sh savedefconfig
         ls -la .
         echo "build.sh --config done"
         pahole --version
diff --git a/config/gki_defconfig-android12-5.10.diff b/config/gki_defconfig-android12-5.10.diff
new file mode 100644
index 0000000..84c5453
--- /dev/null
+++ b/config/gki_defconfig-android12-5.10.diff
@@ -0,0 +1,38 @@
+❯ diff gki_defconfig-android12-5.10 arch/arm64/configs/gki_defconfig (from https://github.com/aosp-mirror/kernel_common/tree/android12-5.10-2024-05)
+1,2d0
+< CONFIG_SYSVIPC=y
+< CONFIG_POSIX_MQUEUE=y
+27d24
+< CONFIG_CGROUP_DEVICE=y
+31c28
+< CONFIG_USER_NS=y
+---
+> # CONFIG_PID_NS is not set
+100c97
+< CONFIG_LTO_CLANG_THIN=y
+---
+> CONFIG_LTO_CLANG_FULL=y
+104a102
+> CONFIG_MODULE_SCMVERSION=y
+169d166
+< CONFIG_NETFILTER_XT_TARGET_CHECKSUM=y
+184d180
+< CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=y
+233,234d228
+< CONFIG_IP6_NF_NAT=y
+< CONFIG_IP6_NF_TARGET_MASQUERADE=y
+285d278
+< CONFIG_BT_HCIVHCI=y
+297d289
+< CONFIG_DEVTMPFS=y
+344,345d335
+< # CONFIG_USB_NET_AX8817X is not set
+< # CONFIG_USB_NET_AX88179_178A is not set
+376a367
+> # CONFIG_VT is not set
+392d382
+< CONFIG_NULL_TTY=y
+488a479
+> CONFIG_USB_XHCI_PCI_RENESAS=y
+705d695
+< # CONFIG_DEBUG_PREEMPT is not set