# git rev-parse -q --verify b21ef3fbf4e8df474b3a9e85ff003722ee73744d^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git next-test
# git rev-parse -q --verify b21ef3fbf4e8df474b3a9e85ff003722ee73744d^{commit}
b21ef3fbf4e8df474b3a9e85ff003722ee73744d
# git checkout -q -f -B kisskb b21ef3fbf4e8df474b3a9e85ff003722ee73744d
# git clean -qxdf
# < git log -1
# commit b21ef3fbf4e8df474b3a9e85ff003722ee73744d
# Author: Christophe Leroy <christophe.leroy@csgroup.eu>
# Date:   Tue Nov 3 18:07:19 2020 +0000
# 
#     powerpc/vdso: Provide __kernel_clock_gettime64() on vdso32
#     
#     Provides __kernel_clock_gettime64() on vdso32. This is the
#     64 bits version of __kernel_clock_gettime() which is
#     y2038 compliant.
#     
#     Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/44a5541c0355b9eedbac712eabe682118b3a508c.1604426550.git.christophe.leroy@csgroup.eu
# < /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 b21ef3fbf4e8df474b3a9e85ff003722ee73744d
# < make -s -j 80 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 80 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 80 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 80 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: 0:01:28.274313