# git rev-parse -q --verify b9a023d8c8ab07d360fd4b67cc6d1c1087de2a7e^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.4.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 b9a023d8c8ab07d360fd4b67cc6d1c1087de2a7e^{commit}
b9a023d8c8ab07d360fd4b67cc6d1c1087de2a7e
# git checkout -q -f -B kisskb b9a023d8c8ab07d360fd4b67cc6d1c1087de2a7e
# git clean -qxdf
# < git log -1
# commit b9a023d8c8ab07d360fd4b67cc6d1c1087de2a7e
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Jul 28 09:12:37 2021 +0200
# 
#     Linux 4.4.277
#     
#     Link: https://lore.kernel.org/r/20210726153822.980271128@linuxfoundation.org
#     Tested-by: Shuah Khan <skhan@linuxfoundation.org>
#     Link: https://lore.kernel.org/r/20210727061334.372078412@linuxfoundation.org
#     Tested-by: Pavel Machek (CIP) <pavel@denx.de>
#     Tested-by: Jon Hunter <jonathanh@nvidia.com>
#     Tested-by: Guenter Roeck <linux@roeck-us.net>
#     Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
# < /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 b9a023d8c8ab07d360fd4b67cc6d1c1087de2a7e
# < make -s -j 8 ARCH=powerpc O=/kisskb/build/stable-4.4_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 8 ARCH=powerpc O=/kisskb/build/stable-4.4_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 8 ARCH=powerpc O=/kisskb/build/stable-4.4_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 8 ARCH=powerpc O=/kisskb/build/stable-4.4_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/arch/powerpc/lib/string_64.S: Assembler messages:
/kisskb/src/arch/powerpc/lib/string_64.S:194: Warning: invalid register expression
/kisskb/src/arch/powerpc/lib/copypage_power7.S: Assembler messages:
/kisskb/src/arch/powerpc/lib/copypage_power7.S:48: Warning: invalid register expression
/kisskb/src/arch/powerpc/lib/copypage_power7.S:49: Warning: invalid register expression
/kisskb/src/arch/powerpc/lib/copypage_power7.S:51: Warning: invalid register expression
/kisskb/src/arch/powerpc/lib/copypage_power7.S:52: Warning: invalid register expression
/kisskb/src/arch/powerpc/lib/copypage_power7.S:54: Warning: invalid register expression
INFO: Uncompressed kernel (size 0xce1ac0) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xd00000)
Image Name:   Linux-4.4.277-18086-gb9a023d8c8a
Created:      Wed Jul 28 18:41:46 2021
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    5505012 Bytes = 5375.99 KiB = 5.25 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/stable-4.4_ppc64e_defconfig_powerpc-gcc4.9
# Build took: 0:03:15.591734