# git rev-parse -q --verify dd31be9f0920f4c183d7686bd7d748228268e58b^{commit}
dd31be9f0920f4c183d7686bd7d748228268e58b
already have revision, skipping fetch
# git checkout -q -f -B kisskb dd31be9f0920f4c183d7686bd7d748228268e58b
# git clean -qxdf
# < git log -1
# commit dd31be9f0920f4c183d7686bd7d748228268e58b
# Author: Michael Ellerman <mpe@ellerman.id.au>
# Date:   Tue Jul 24 01:01:55 2018 +1000
# 
#     powerpc/powernv: Query firmware for count cache flush settings
#     
#     Look for fw-features properties to determine the appropriate settings
#     for the count cache flush, and then call the generic powerpc code to
#     set it up based on the security feature flags.
#     
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < git log --format=%s --max-count=1 dd31be9f0920f4c183d7686bd7d748228268e58b
# < make -s -j 80 ARCH=arm64 O=/kisskb/build/powerpc-next_arm64-defconfig_arm64 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# make -s -j 80 ARCH=arm64 O=/kisskb/build/powerpc-next_arm64-defconfig_arm64 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:40: LSE atomics not supported by binutils
<stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
Completed OK
# rm -rf /kisskb/build/powerpc-next_arm64-defconfig_arm64
# Build took: 0:03:29.521248