# git rev-parse -q --verify aa8663e85da65e4b92ac82208059c173cb42c3bd^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.19.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 aa8663e85da65e4b92ac82208059c173cb42c3bd^{commit}
aa8663e85da65e4b92ac82208059c173cb42c3bd
# git checkout -q -f -B kisskb aa8663e85da65e4b92ac82208059c173cb42c3bd
# git clean -qxdf
# < git log -1
# commit aa8663e85da65e4b92ac82208059c173cb42c3bd
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Nov 8 11:22:22 2023 +0100
# 
#     Linux 4.19.298
#     
#     Link: https://lore.kernel.org/r/20231106130259.573843228@linuxfoundation.org
#     Tested-by: Pavel Machek (CIP) <pavel@denx.de>
#     Tested-by: Jon Hunter <jonathanh@nvidia.com>
#     Tested-by: Shuah Khan <skhan@linuxfoundation.org>
#     Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
#     Tested-by: Guenter Roeck <linux@roeck-us.net>
#     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# < /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 aa8663e85da65e4b92ac82208059c173cb42c3bd
# make -s -j 32 ARCH=powerpc O=/kisskb/build/stable-4.19_powernv_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  powernv_defconfig
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/stable-4.19_powernv_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 32 ARCH=powerpc O=/kisskb/build/stable-4.19_powernv_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 32 ARCH=powerpc O=/kisskb/build/stable-4.19_powernv_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
WARNING: modpost: Found 1 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
Completed OK
# rm -rf /kisskb/build/stable-4.19_powernv_defconfig_powerpc-gcc5
# Build took: 0:04:32.879312