# git rev-parse -q --verify b06b66d0f2c4879cebdf5de3d93f4245d1470a70^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable-rc.git linux-5.4.y
# git rev-parse -q --verify b06b66d0f2c4879cebdf5de3d93f4245d1470a70^{commit}
b06b66d0f2c4879cebdf5de3d93f4245d1470a70
# git checkout -q -f -B kisskb b06b66d0f2c4879cebdf5de3d93f4245d1470a70
# git clean -qxdf
# < git log -1
# commit b06b66d0f2c4879cebdf5de3d93f4245d1470a70
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Thu Feb 13 15:05:21 2020 -0800
# 
#     Linux 5.4.20-rc2
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 b06b66d0f2c4879cebdf5de3d93f4245d1470a70
# < make -s -j 24 ARCH=arm64 O=/kisskb/build/stable-rc-5.4_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# make -s -j 24 ARCH=arm64 O=/kisskb/build/stable-rc-5.4_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:38: LSE atomics not supported by binutils
/kisskb/src/arch/arm64/boot/dts/exynos/exynos5433.dtsi:254.3-29: Warning (reg_format): /gpu@14ac0000:reg: property has invalid length (8 bytes) (#address-cells == 2, #size-cells == 2)
arch/arm64/boot/dts/exynos/exynos5433-tm2.dtb: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
arch/arm64/boot/dts/exynos/exynos5433-tm2.dtb: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
arch/arm64/boot/dts/exynos/exynos5433-tm2.dtb: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
/kisskb/src/arch/arm64/boot/dts/exynos/exynos5433.dtsi:254.3-29: Warning (reg_format): /gpu@14ac0000:reg: property has invalid length (8 bytes) (#address-cells == 2, #size-cells == 2)
arch/arm64/boot/dts/exynos/exynos5433-tm2e.dtb: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
arch/arm64/boot/dts/exynos/exynos5433-tm2e.dtb: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
arch/arm64/boot/dts/exynos/exynos5433-tm2e.dtb: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
/kisskb/src/arch/arm64/boot/dts/exynos/exynos7.dtsi:83.3-29: Warning (reg_format): /gpu@14ac0000:reg: property has invalid length (8 bytes) (#address-cells == 2, #size-cells == 2)
arch/arm64/boot/dts/exynos/exynos7-espresso.dtb: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
arch/arm64/boot/dts/exynos/exynos7-espresso.dtb: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
arch/arm64/boot/dts/exynos/exynos7-espresso.dtb: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr':
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized]
   pd->msg->buf[real_pos] = data;
                          ^
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:372:16: note: 'data' was declared here
  unsigned char data;
                ^
In file included from /kisskb/src/include/linux/rwsem.h:16:0,
                 from /kisskb/src/include/linux/notifier.h:15,
                 from /kisskb/src/include/linux/clk.h:14,
                 from /kisskb/src/drivers/tty/serial/sh-sci.c:24:
/kisskb/src/drivers/tty/serial/sh-sci.c: In function 'sci_dma_rx_submit':
/kisskb/src/include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized]
   _raw_spin_unlock_irqrestore(lock, flags); \
   ^
/kisskb/src/drivers/tty/serial/sh-sci.c:1351:16: note: 'flags' was declared here
  unsigned long flags;
                ^
Completed OK
# rm -rf /kisskb/build/stable-rc-5.4_arm64-defconfig_arm64-gcc5.4
# Build took: 0:06:11.220183