# git rev-parse -q --verify 661e50bc853209e41a5c14a290ca4decc43cbfd1^{commit}
661e50bc853209e41a5c14a290ca4decc43cbfd1
already have revision, skipping fetch
# git checkout -q -f -B kisskb 661e50bc853209e41a5c14a290ca4decc43cbfd1
# git clean -qxdf
# git log -1
commit 661e50bc853209e41a5c14a290ca4decc43cbfd1
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Sun Mar 4 14:54:11 2018 -0800

    Linux 4.16-rc4
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < git log --format=%s --max-count=1 661e50bc853209e41a5c14a290ca4decc43cbfd1
# < make -s -j 20 ARCH=um O=/kisskb/build/linus_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 20 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 
/kisskb/src/arch/um/os-Linux/skas/process.c: In function 'start_idle_thread':
/kisskb/src/arch/um/os-Linux/skas/process.c:613:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
  LINK linux
Completed OK
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:00:59.368678