# 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/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 95c63df939789153540060ead8eb5d9fd4606274
# < make -s -j 32 ARCH=sparc64 O=/kisskb/build/powerpc-next_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  defconfig
# < make -s -j 32 ARCH=sparc64 O=/kisskb/build/powerpc-next_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  help
# make -s -j 32 ARCH=sparc64 O=/kisskb/build/powerpc-next_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  olddefconfig
# make -s -j 32 ARCH=sparc64 O=/kisskb/build/powerpc-next_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
WARNING: modpost: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/powerpc-next_sparc64-defconfig_sparc64
# Build took: 0:01:40.405550