# git rev-parse -q --verify c21dc62879c153cfa5950ec3d0e8c5eb9565c46a^{commit}
c21dc62879c153cfa5950ec3d0e8c5eb9565c46a
already have revision, skipping fetch
# git checkout -q -f -B kisskb c21dc62879c153cfa5950ec3d0e8c5eb9565c46a
# git clean -qxdf
# < git log -1
# commit c21dc62879c153cfa5950ec3d0e8c5eb9565c46a
# Merge: fa6304910b7c 90d39628ac79
# Author: Masahiro Yamada <masahiroy@kernel.org>
# Date:   Mon Dec 21 21:51:22 2020 +0900
# 
#     Merge branch 'kconfig' into for-next
# < /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 c21dc62879c153cfa5950ec3d0e8c5eb9565c46a
# < make -s -j 48 ARCH=sparc64 O=/kisskb/build/kbuild_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  defconfig
# < make -s -j 48 ARCH=sparc64 O=/kisskb/build/kbuild_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  help
# make -s -j 48 ARCH=sparc64 O=/kisskb/build/kbuild_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  olddefconfig
# make -s -j 48 ARCH=sparc64 O=/kisskb/build/kbuild_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/kbuild_sparc64-defconfig_sparc64
# Build took: 0:01:20.856368