# git rev-parse -q --verify 7a75874154b207e9c1aa83e19ffca0484d48c40a^{commit}
7a75874154b207e9c1aa83e19ffca0484d48c40a
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7a75874154b207e9c1aa83e19ffca0484d48c40a
# git clean -qxdf
# < git log -1
# commit 7a75874154b207e9c1aa83e19ffca0484d48c40a
# Author: Nicholas Piggin <npiggin@gmail.com>
# Date:   Tue May 1 00:55:58 2018 +1000
# 
#     powerpc/powernv: provide a console flush operation for opal hvc driver
#     
#     Provide the flush hv_op for the opal hvc driver. This will flush the
#     firmware console buffers without spinning with interrupts disabled.
#     
#     Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
#     Cc: linuxppc-dev@lists.ozlabs.org
#     Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < git log --format=%s --max-count=1 7a75874154b207e9c1aa83e19ffca0484d48c40a
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64_defconfig+UP_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc64_defconfig
# Added to kconfig CONFIG_SMP=n
# yes \n | make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64_defconfig+UP_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  oldconfig
yes: standard output: Broken pipe
yes: write error
# make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64_defconfig+UP_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
Completed OK
# rm -rf /kisskb/build/powerpc-next_ppc64_defconfig+UP_powerpc-5.3
# Build took: 0:01:09.964613