# git rev-parse -q --verify b8343316098dd191a6d643c5eb6ab7024622af9e^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.9.y
error: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify b8343316098dd191a6d643c5eb6ab7024622af9e^{commit}
b8343316098dd191a6d643c5eb6ab7024622af9e
# git checkout -q -f -B kisskb b8343316098dd191a6d643c5eb6ab7024622af9e
# git clean -qxdf
# < git log -1
# commit b8343316098dd191a6d643c5eb6ab7024622af9e
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Mar 13 14:05:02 2019 -0700
# 
#     Linux 4.9.163
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version
# < git log --format=%s --max-count=1 b8343316098dd191a6d643c5eb6ab7024622af9e
# < make -s -j 10 ARCH=powerpc O=/kisskb/build/stable-4.9_g5_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  g5_defconfig
# make -s -j 10 ARCH=powerpc O=/kisskb/build/stable-4.9_g5_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/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]
/kisskb/src/kernel/cgroup.c: In function 'cgroup_mount':
/kisskb/src/kernel/cgroup.c:2251:23: warning: 'root' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc':
/kisskb/src/fs/nfsd/nfs4xdr.c:1984:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/dax.c: In function 'dax_do_io':
/kisskb/src/fs/dax.c:241:2: warning: 'rc' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/dax.c:154:30: note: 'rc' was declared here
Completed OK
# rm -rf /kisskb/build/stable-4.9_g5_defconfig_powerpc-gcc4.6
# Build took: 0:02:06.811299