# git rev-parse -q --verify 2b7cc48df95a36ecb6dfec219ae1e1f1148e6dac^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/tip auto-latest
# git rev-parse -q --verify 2b7cc48df95a36ecb6dfec219ae1e1f1148e6dac^{commit}
2b7cc48df95a36ecb6dfec219ae1e1f1148e6dac
# git checkout -q -f -B kisskb 2b7cc48df95a36ecb6dfec219ae1e1f1148e6dac
# git clean -qxdf
# < git log -1
# commit 2b7cc48df95a36ecb6dfec219ae1e1f1148e6dac
# Merge: 43b3cec63f6b 429257a430a0
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Sat Mar 20 12:16:47 2021 +0100
# 
#     Merge branch 'efi/urgent'
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 2b7cc48df95a36ecb6dfec219ae1e1f1148e6dac
# < make -s -j 24 ARCH=arm64 O=/kisskb/build/tip_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# < make -s -j 24 ARCH=arm64 O=/kisskb/build/tip_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  help
# make -s -j 24 ARCH=arm64 O=/kisskb/build/tip_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  olddefconfig
# make -s -j 24 ARCH=arm64 O=/kisskb/build/tip_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:33: LSE atomics not supported by binutils
Completed OK
# rm -rf /kisskb/build/tip_arm64-defconfig_arm64-gcc5.4
# Build took: 0:13:15.315408