# git rev-parse -q --verify cfc8d40be91d767121a6f8c148db43c87be349ed^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.15.y
# git rev-parse -q --verify cfc8d40be91d767121a6f8c148db43c87be349ed^{commit}
cfc8d40be91d767121a6f8c148db43c87be349ed
# git checkout -q -f -B kisskb cfc8d40be91d767121a6f8c148db43c87be349ed
# git clean -qxdf
# < git log -1
# commit cfc8d40be91d767121a6f8c148db43c87be349ed
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Mar 21 12:05:48 2018 +0100
# 
#     Linux 4.15.12
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-gcc --version
# < git log --format=%s --max-count=1 cfc8d40be91d767121a6f8c148db43c87be349ed
# < make -s -j 40 ARCH=arm O=/kisskb/build/stable-4.15_versatile_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-  versatile_defconfig
# make -s -j 40 ARCH=arm O=/kisskb/build/stable-4.15_versatile_defconfig_arm 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:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/stable-4.15_versatile_defconfig_arm
# Build took: 0:01:02.177016