# git rev-parse -q --verify 4c5e8fc62d6a63065eeae80808c498d1dcfea4f4^{commit}
4c5e8fc62d6a63065eeae80808c498d1dcfea4f4
already have revision, skipping fetch
# git checkout -q -f -B kisskb 4c5e8fc62d6a63065eeae80808c498d1dcfea4f4
# git clean -qxdf
# < git log -1
# commit 4c5e8fc62d6a63065eeae80808c498d1dcfea4f4
# Merge: 2f6e24d 53c3daf
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Jun 15 17:26:29 2018 +0900
# 
#     Merge tag 'linux-kselftest-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
#     
#     Pull more Kselftest updates from Shuah Khan:
#     
#      - fix a signedness bug in cgroups test
#     
#      - add ppc support for kprobe args tests
#     
#     * tag 'linux-kselftest-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
#       kselftest/cgroup: fix a signedness bug
#       selftests/ftrace: Add ppc support for kprobe args tests
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < git log --format=%s --max-count=1 4c5e8fc62d6a63065eeae80808c498d1dcfea4f4
# < 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
<stdin>:1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp]
<stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
/kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter.
Completed OK
# rm -rf /kisskb/build/linus_xtensa-defconfig_xtensa
# Build took: 0:00:28.110822