# git rev-parse -q --verify 2860935d183bfc3fafc5ff3874ea4d9e2aa36b7b^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-kbuild.git for-next
# git rev-parse -q --verify 2860935d183bfc3fafc5ff3874ea4d9e2aa36b7b^{commit}
2860935d183bfc3fafc5ff3874ea4d9e2aa36b7b
# git checkout -q -f -B kisskb 2860935d183bfc3fafc5ff3874ea4d9e2aa36b7b
# git clean -qxdf
# < git log -1
# commit 2860935d183bfc3fafc5ff3874ea4d9e2aa36b7b
# Author: Masahiro Yamada <masahiroy@kernel.org>
# Date:   Mon May 30 18:01:39 2022 +0900
# 
#     modpost: use fnmatch() to simplify match()
#     
#     Replace the own implementation for wildcard (glob) matching with
#     a function call to fnmatch().
#     
#     Also, change the return type to 'bool'.
#     
#     Signed-off-by: Masahiro Yamada <masahiroy@kernel.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 2860935d183bfc3fafc5ff3874ea4d9e2aa36b7b
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/kbuild_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pmac32_defconfig
# Added to kconfig CONFIG_SMP=y
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/kbuild_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 24 ARCH=powerpc O=/kisskb/build/kbuild_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
.config:4330:warning: override: reassigning to symbol SMP
# make -s -j 24 ARCH=powerpc O=/kisskb/build/kbuild_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
WARNING: modpost: vmlinux.o(___ksymtab+xfrm4_protocol_init+0x0): Section mismatch in reference from the variable __ksymtab_xfrm4_protocol_init to the function .init.text:xfrm4_protocol_init()
The symbol xfrm4_protocol_init is exported and annotated __init 
Fix this by removing the __init annotation of xfrm4_protocol_init or drop the export.

WARNING: modpost: drivers/net/phy/libphy.o(___ksymtab_gpl+mdio_bus_init+0x0): Section mismatch in reference from the variable __ksymtab_mdio_bus_init to the function .init.text:mdio_bus_init()
The symbol mdio_bus_init is exported and annotated __init 
Fix this by removing the __init annotation of mdio_bus_init or drop the export.

Completed OK
# rm -rf /kisskb/build/kbuild_pmac32_defconfig+SMP_powerpc-gcc5
# Build took: 0:02:42.080457