# git rev-parse -q --verify 1977ff296412141339afe497308bfd1557029cae^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable-rc.git linux-5.4.y
warning: 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 1977ff296412141339afe497308bfd1557029cae^{commit}
1977ff296412141339afe497308bfd1557029cae
# git checkout -q -f -B kisskb 1977ff296412141339afe497308bfd1557029cae
# git clean -qxdf
# < git log -1
# commit 1977ff296412141339afe497308bfd1557029cae
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Jan 1 19:21:10 2020 +0100
# 
#     Linux 5.4.8-rc1
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 1977ff296412141339afe497308bfd1557029cae
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/stable-rc-5.4_44x_fsp2_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  44x/fsp2_defconfig
# make -s -j 32 ARCH=powerpc O=/kisskb/build/stable-rc-5.4_44x_fsp2_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0x95942c) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xa00000)
Image Name:   Linux-5.4.8-rc1-g1977ff296412
Created:      Thu Jan  2 07:13:05 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    4209246 Bytes = 4110.59 KiB = 4.01 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/stable-rc-5.4_44x_fsp2_defconfig_powerpc-gcc5
# Build took: 0:06:24.432966