# git rev-parse -q --verify 6a83eb2354543e3263b880eb822c4b0993a2236b^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.9.y
# git rev-parse -q --verify 6a83eb2354543e3263b880eb822c4b0993a2236b^{commit}
6a83eb2354543e3263b880eb822c4b0993a2236b
# git checkout -q -f -B kisskb 6a83eb2354543e3263b880eb822c4b0993a2236b
# git clean -qxdf
# git log -1
commit 6a83eb2354543e3263b880eb822c4b0993a2236b
Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date:   Sat Mar 3 10:23:29 2018 +0100

    Linux 4.9.86
# < /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 6a83eb2354543e3263b880eb822c4b0993a2236b
# < make -s -j 10 ARCH=arm O=/kisskb/build/stable-4.9_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 10 ARCH=arm O=/kisskb/build/stable-4.9_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:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/stable-4.9_versatile_defconfig_arm
# Build took: 0:01:14.388228