# git rev-parse -q --verify 504347304f1afcbdf2e57fe310584284576989ac^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable-rc.git linux-4.19.y
# git rev-parse -q --verify 504347304f1afcbdf2e57fe310584284576989ac^{commit}
504347304f1afcbdf2e57fe310584284576989ac
# git checkout -q -f -B kisskb 504347304f1afcbdf2e57fe310584284576989ac
# git clean -qxdf
# < git log -1
# commit 504347304f1afcbdf2e57fe310584284576989ac
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Thu Feb 13 22:30:03 2020 -0800
# 
#     Linux 4.19.104-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 504347304f1afcbdf2e57fe310584284576989ac
# < make -s -j 24 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 24 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: 0:02:12.246599