# git rev-parse -q --verify 95c63df939789153540060ead8eb5d9fd4606274^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git next-test
# git rev-parse -q --verify 95c63df939789153540060ead8eb5d9fd4606274^{commit}
95c63df939789153540060ead8eb5d9fd4606274
# git checkout -q -f -B kisskb 95c63df939789153540060ead8eb5d9fd4606274
# git clean -qxdf
# < git log -1
# commit 95c63df939789153540060ead8eb5d9fd4606274
# Author: Kaixu Xia <kaixuxia@tencent.com>
# Date:   Tue Nov 10 10:56:01 2020 +0800
# 
#     powerpc/mm: Fix comparing pointer to 0 warning
#     
#     Fixes coccicheck warning:
#     
#     ./arch/powerpc/mm/pgtable_32.c:87:11-12: WARNING comparing pointer to 0
#     
#     Avoid pointer type value compared to 0.
#     
#     Reported-by: Tosk Robot <tencent_os_robot@tencent.com>
#     Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
#     Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/1604976961-20441-1-git-send-email-kaixuxia@tencent.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 95c63df939789153540060ead8eb5d9fd4606274
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc64e_defconfig
# Added to kconfig CONFIG_KEXEC=y
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_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/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
.config:2920:warning: override: reassigning to symbol KEXEC
# make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0xd25cf8) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xe00000)
Image Name:   Linux-5.10.0-rc2-g95c63df93978
Created:      Wed Nov 18 01:04:12 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    5265048 Bytes = 5141.65 KiB = 5.02 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5
# Build took: 0:02:31.934992