# git rev-parse -q --verify a38fd8748464831584a19438cbb3082b5a2dab15^{commit}
a38fd8748464831584a19438cbb3082b5a2dab15
already have revision, skipping fetch
# git checkout -q -f -B kisskb a38fd8748464831584a19438cbb3082b5a2dab15
# git clean -qxdf
# < git log -1
# commit a38fd8748464831584a19438cbb3082b5a2dab15
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Mar 5 17:33:41 2021 -0800
# 
#     Linux 5.12-rc2
# < /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 a38fd8748464831584a19438cbb3082b5a2dab15
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  mpc885_ads_defconfig
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 32 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 32 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0x419454) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x500000)
Image Name:   Linux-5.12.0-rc2-ga38fd8748464
Created:      Sat Mar  6 13:21:30 2021
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    2074437 Bytes = 2025.82 KiB = 1.98 MiB
Load Address: 00500000
Entry Point:  00500204
Completed OK
# rm -rf /kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.9
# Build took: 0:00:51.596894