# git rev-parse -q --verify b8e4943d6bee55c8a2c077fc7639d0b8e8127e1a^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable-rc.git linux-4.9.y
# git rev-parse -q --verify b8e4943d6bee55c8a2c077fc7639d0b8e8127e1a^{commit}
b8e4943d6bee55c8a2c077fc7639d0b8e8127e1a
# git checkout -q -f -B kisskb b8e4943d6bee55c8a2c077fc7639d0b8e8127e1a
# git clean -qxdf
# < git log -1
# commit b8e4943d6bee55c8a2c077fc7639d0b8e8127e1a
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Thu Feb 27 14:22:22 2020 +0100
# 
#     Linux 4.9.215-rc1
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-ld --version
# < git log --format=%s --max-count=1 b8e4943d6bee55c8a2c077fc7639d0b8e8127e1a
# < make -s -j 32 ARCH=arm O=/kisskb/build/stable-rc-4.9_versatile_defconfig_arm-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-  versatile_defconfig
# < make -s -j 32 ARCH=arm O=/kisskb/build/stable-rc-4.9_versatile_defconfig_arm-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-  help
# make -s -j 32 ARCH=arm O=/kisskb/build/stable-rc-4.9_versatile_defconfig_arm-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-  olddefconfig
# make -s -j 32 ARCH=arm O=/kisskb/build/stable-rc-4.9_versatile_defconfig_arm-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-  
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/stable-rc-4.9_versatile_defconfig_arm-gcc4.6
# Build took: 0:02:14.727634