# git gc
# git rev-parse -q --verify ef6b35306dd8f15a7e5e5a2532e665917a43c5d9^{commit}
ef6b35306dd8f15a7e5e5a2532e665917a43c5d9
already have revision, skipping fetch
# git checkout -q -f -B kisskb ef6b35306dd8f15a7e5e5a2532e665917a43c5d9
# git clean -qxdf
# < git log -1
# commit ef6b35306dd8f15a7e5e5a2532e665917a43c5d9
# Author: Stephen Rothwell <sfr@canb.auug.org.au>
# Date:   Fri Feb 4 15:12:57 2022 +1100
# 
#     Add linux-next specific files for 20220204
#     
#     Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 ef6b35306dd8f15a7e5e5a2532e665917a43c5d9
# < make -s -j 8 ARCH=um O=/kisskb/build/linux-next_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 defconfig
# < make -s -j 8 ARCH=um O=/kisskb/build/linux-next_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 help
# make -s -j 8 ARCH=um O=/kisskb/build/linux-next_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig
# make -s -j 8 ARCH=um O=/kisskb/build/linux-next_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 
  LINK linux
Completed OK
# rm -rf /kisskb/build/linux-next_um-defconfig_um-x86_64
# Build took: 0:05:07.635045