# git rev-parse -q --verify 861d9dd375269c695be8860387b4bb522f8b490a^{commit}
861d9dd375269c695be8860387b4bb522f8b490a
already have revision, skipping fetch
# git checkout -q -f -B kisskb 861d9dd375269c695be8860387b4bb522f8b490a
# git clean -qxdf
# < git log -1
# commit 861d9dd375269c695be8860387b4bb522f8b490a
# Merge: 7fbb615 8438ee7
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun May 27 09:27:27 2018 -0700
# 
#     Merge tag 'kbuild-fixes-v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
#     
#     Pull more Kbuild fixes from Masahiro Yamada:
#     
#      - enable '-fno-tree-loop-im' only when supported
#     
#      - add '-fno-PIE' option before the asm-goto test
#     
#     * tag 'kbuild-fixes-v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
#       Makefile: disable PIE before testing asm goto
#       kbuild: gcov: enable -fno-tree-loop-im if supported
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < git log --format=%s --max-count=1 861d9dd375269c695be8860387b4bb522f8b490a
# < make -s -j 48 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 48 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: 0:00:39.642505