# git rev-parse -q --verify b71ac9dfc6f0f5ef4a9dfa80113bea22cd8b8167^{commit}
b71ac9dfc6f0f5ef4a9dfa80113bea22cd8b8167
already have revision, skipping fetch
# git checkout -q -f -B kisskb b71ac9dfc6f0f5ef4a9dfa80113bea22cd8b8167
# git clean -qxdf
# < git log -1
# commit b71ac9dfc6f0f5ef4a9dfa80113bea22cd8b8167
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Thu Dec 12 10:59:08 2019 +0100
# 
#     Linux 4.19.89-rc2
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 b71ac9dfc6f0f5ef4a9dfa80113bea22cd8b8167
# < make -s -j 48 ARCH=sparc64 O=/kisskb/build/stable-rc-4.19_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  defconfig
# make -s -j 48 ARCH=sparc64 O=/kisskb/build/stable-rc-4.19_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/stable-rc-4.19_sparc64-defconfig_sparc64
# Build took: 0:01:05.837414