# git rev-parse -q --verify 7943f2c2f9590a130a7d89fcd6f3c42044076dc1^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/chleroy-linux.git includes
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 7943f2c2f9590a130a7d89fcd6f3c42044076dc1^{commit}
7943f2c2f9590a130a7d89fcd6f3c42044076dc1
# git checkout -q -f -B kisskb 7943f2c2f9590a130a7d89fcd6f3c42044076dc1
# git clean -qxdf
# < git log -1
# commit 7943f2c2f9590a130a7d89fcd6f3c42044076dc1
# Author: Christophe Leroy <christophe.leroy@csgroup.eu>
# Date:   Mon May 3 16:43:16 2021 +0000
# 
#     powerpc/paca: Remove mm_ctx_id and mm_ctx_slb_addr_limit
#     
#     mm_ctx_id and mm_ctx_slb_addr_limit are not used anymore.
#     
#     Remove them.
#     
#     Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
# < /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 7943f2c2f9590a130a7d89fcd6f3c42044076dc1
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/chleroy_pseries_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pseries_defconfig
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/chleroy_pseries_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/chleroy_pseries_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/chleroy_pseries_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
arch/powerpc/lib/string_64.o: In function `__arch_clear_user':
(.text+0x106): undefined reference to `DCACHEL1LOGBLOCKSIZE'
(.text+0x10a): undefined reference to `DCACHEL1BLOCKSIZE'
arch/powerpc/lib/copypage_64.o: In function `.copy_page':
(.text+0xe): undefined reference to `DCACHEL1LOGBLOCKSIZE'
(.text+0x12): undefined reference to `DCACHEL1BLOCKSIZE'
make[1]: *** [/kisskb/src/Makefile:1196: vmlinux] Error 1
make: *** [Makefile:215: __sub-make] Error 2
Command 'make -s -j 32 ARCH=powerpc O=/kisskb/build/chleroy_pseries_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/chleroy_pseries_defconfig_powerpc-gcc5
# Build took: 0:04:16.896767