# git gc
# git rev-parse -q --verify 6ca2f514c57864e3085a65c5e9d2adca4144bc4c^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.19.y
# git rev-parse -q --verify 6ca2f514c57864e3085a65c5e9d2adca4144bc4c^{commit}
6ca2f514c57864e3085a65c5e9d2adca4144bc4c
# git checkout -q -f -B kisskb 6ca2f514c57864e3085a65c5e9d2adca4144bc4c
# git clean -qxdf
# < git log -1
# commit 6ca2f514c57864e3085a65c5e9d2adca4144bc4c
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Aug 4 12:23:47 2021 +0200
# 
#     Linux 4.19.201
#     
#     Link: https://lore.kernel.org/r/20210802134334.081433902@linuxfoundation.org
#     Tested-by: Pavel Machek (CIP) <pavel@denx.de>
#     Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
#     Tested-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
#     Tested-by: Jon Hunter <jonathanh@nvidia.com>
#     Tested-by: Guenter Roeck <linux@roeck-us.net>
#     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 6ca2f514c57864e3085a65c5e9d2adca4144bc4c
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-4.19_ppc64_defconfig+NO_RADIX_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc64_defconfig
# Added to kconfig CONFIG_PPC_RADIX_MMU=n
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-4.19_ppc64_defconfig+NO_RADIX_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-4.19_ppc64_defconfig+NO_RADIX_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-4.19_ppc64_defconfig+NO_RADIX_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
ERROR: ".radix__local_flush_tlb_lpid_guest" [arch/powerpc/kvm/kvm-hv.ko] undefined!
ERROR: ".radix__flush_tlb_lpid_page" [arch/powerpc/kvm/kvm-hv.ko] undefined!
ERROR: ".radix__flush_pwc_lpid" [arch/powerpc/kvm/kvm-hv.ko] undefined!
make[2]: *** [/kisskb/src/scripts/Makefile.modpost:92: __modpost] Error 1
make[1]: *** [/kisskb/src/Makefile:1261: modules] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:146: sub-make] Error 2
Command 'make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-4.19_ppc64_defconfig+NO_RADIX_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/stable-4.19_ppc64_defconfig+NO_RADIX_powerpc-gcc4.9
# Build took: 0:10:05.948887