# 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/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < git log --format=%s --max-count=1 861d9dd375269c695be8860387b4bb522f8b490a
# < make -s -j 48 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  defconfig
drivers/staging/mt7621-dts/Kconfig:4:warning: 'BUILTIN_DTB' has wrong type. 'select' only accept arguments of bool and tristate type
# make -s -j 48 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  
drivers/staging/mt7621-dts/Kconfig:4:warning: 'BUILTIN_DTB' has wrong type. 'select' only accept arguments of bool and tristate type
CONFIG_CC_STACKPROTECTOR_AUTO: Compiler does not support any known stack-protector
Completed OK
# rm -rf /kisskb/build/linus_xtensa-defconfig_xtensa
# Build took: 0:00:26.946104