# git rev-parse -q --verify 7f7917ae4d306a72ef9f6265028d8d203702f0b8^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git next-test
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 7f7917ae4d306a72ef9f6265028d8d203702f0b8^{commit}
7f7917ae4d306a72ef9f6265028d8d203702f0b8
# git checkout -q -f -B kisskb 7f7917ae4d306a72ef9f6265028d8d203702f0b8
# git clean -qxdf
# < git log -1
# commit 7f7917ae4d306a72ef9f6265028d8d203702f0b8
# Author: Michael Ellerman <mpe@ellerman.id.au>
# Date:   Sun Jul 26 10:34:19 2020 +1000
# 
#     selftests/powerpc: Skip vmx/vsx tests on older CPUs
#     
#     These tests use VSX or newer VMX instructions, so need to be skipped
#     on older CPUs to avoid SIGILL'ing.
#     
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20200726003419.2040332-1-mpe@ellerman.id.au
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 7f7917ae4d306a72ef9f6265028d8d203702f0b8
# < make -s -j 48 ARCH=x86_64 O=/kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# < make -s -j 48 ARCH=x86_64 O=/kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 48 ARCH=x86_64 O=/kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
# make -s -j 48 ARCH=x86_64 O=/kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  
Completed OK
# rm -rf /kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.9
# Build took: 0:00:20.200185