# git rev-parse -q --verify a9bd3a91d6e49ebd2d7d8ace91d4cc339c382a31^{commit}
a9bd3a91d6e49ebd2d7d8ace91d4cc339c382a31
already have revision, skipping fetch
# git checkout -q -f -B kisskb a9bd3a91d6e49ebd2d7d8ace91d4cc339c382a31
# git clean -qxdf
# < git log -1
# commit a9bd3a91d6e49ebd2d7d8ace91d4cc339c382a31
# Merge: d58b814ffb1a 2cb5383b30d4
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Thu Aug 20 06:40:31 2020 +0200
# 
#     Merge branch 'perf/core'
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 a9bd3a91d6e49ebd2d7d8ace91d4cc339c382a31
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/tip_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc64e_defconfig
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/tip_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 24 ARCH=powerpc O=/kisskb/build/tip_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 24 ARCH=powerpc O=/kisskb/build/tip_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0xc5d4b8) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xd00000)
Image Name:   Linux-5.9.0-rc1-47897-ga9bd3a91d
Created:      Thu Aug 20 19:41:02 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    5175211 Bytes = 5053.92 KiB = 4.94 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/tip_ppc64e_defconfig_powerpc-gcc4.9
# Build took: 0:01:48.391500