# git rev-parse -q --verify e428bc9cd3667d2be2530ec239c51c044d317227^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable-rc.git linux-5.0.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 e428bc9cd3667d2be2530ec239c51c044d317227^{commit}
e428bc9cd3667d2be2530ec239c51c044d317227
# git checkout -q -f -B kisskb e428bc9cd3667d2be2530ec239c51c044d317227
# git clean -qxdf
# < git log -1
# commit e428bc9cd3667d2be2530ec239c51c044d317227
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Thu Apr 25 10:20:11 2019 +0200
# 
#     Linux 5.0.10-rc2
# < /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 e428bc9cd3667d2be2530ec239c51c044d317227
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-rc-5.0_powernv_defconfig+NO_PERF_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  powernv_defconfig
# Added to kconfig CONFIG_PERF_EVENTS=n
# yes \n | make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-rc-5.0_powernv_defconfig+NO_PERF_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-rc-5.0_powernv_defconfig+NO_PERF_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
WARNING: modpost: Found 2 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
Completed OK
# rm -rf /kisskb/build/stable-rc-5.0_powernv_defconfig+NO_PERF_ppc64le-gcc5
# Build took: 0:07:10.754538