# git rev-parse -q --verify 7e9ff1faf1a47d9a7745dd61827f64ecd9785514^{commit}
7e9ff1faf1a47d9a7745dd61827f64ecd9785514
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7e9ff1faf1a47d9a7745dd61827f64ecd9785514
# git clean -qxdf
# git log -1
commit 7e9ff1faf1a47d9a7745dd61827f64ecd9785514
Merge: 8ed97c2 3176609
Author: Ingo Molnar <mingo@kernel.org>
Date:   Sun Mar 4 09:59:03 2018 +0100

    Merge branch 'perf/urgent'
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < git log --format=%s --max-count=1 7e9ff1faf1a47d9a7745dd61827f64ecd9785514
# < make -s -j 40 ARCH=arm64 O=/kisskb/build/tip_arm64-defconfig_arm64 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# make -s -j 40 ARCH=arm64 O=/kisskb/build/tip_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
Completed OK
# rm -rf /kisskb/build/tip_arm64-defconfig_arm64
# Build took: 0:01:22.295680