# git rev-parse -q --verify 278f4532318c176ef8a22a78f45a8c8a30abe40b^{commit}
278f4532318c176ef8a22a78f45a8c8a30abe40b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 278f4532318c176ef8a22a78f45a8c8a30abe40b
# git clean -qxdf
# < git log -1
# commit 278f4532318c176ef8a22a78f45a8c8a30abe40b
# Author: Christophe Leroy <christophe.leroy@csgroup.eu>
# Date:   Sun Sep 27 09:16:48 2020 +0000
# 
#     powerpc/vdso: Cleanup vdso.h
#     
#     Rename the guard define to _ASM_POWERPC_VDSO_H
#     
#     And remove useless #ifdef __KERNEL__
#     
#     Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/9902590d410cd1c2afa48b83b277faf0711f07b2.1601197618.git.christophe.leroy@csgroup.eu
# < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 278f4532318c176ef8a22a78f45a8c8a30abe40b
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc40x_defconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc40x_defconfig
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc40x_defconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc40x_defconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc40x_defconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0x68e404) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x700000)
INFO: Uncompressed kernel (size 0x68e404) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x700000)
Image Name:   Linux-5.10.0-rc2-g278f4532318c
Created:      Sat Nov 28 02:07:29 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    3201910 Bytes = 3126.87 KiB = 3.05 MiB
Load Address: 00700000
Entry Point:  00701ba0
Image Name:   Linux-5.10.0-rc2-g278f4532318c
Created:      Sat Nov 28 02:07:29 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    3201622 Bytes = 3126.58 KiB = 3.05 MiB
Load Address: 00700000
Entry Point:  00701920
Completed OK
# rm -rf /kisskb/build/powerpc-next_ppc40x_defconfig_powerpc-gcc9
# Build took: 0:01:03.944153