# git rev-parse -q --verify 021c91791a5e7e85c567452f1be3e4c2c6cb6063^{commit}
021c91791a5e7e85c567452f1be3e4c2c6cb6063
already have revision, skipping fetch
# git checkout -q -f -B kisskb 021c91791a5e7e85c567452f1be3e4c2c6cb6063
# git clean -qxdf
# < git log -1
# commit 021c91791a5e7e85c567452f1be3e4c2c6cb6063
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Jul 1 16:04:53 2018 -0700
# 
#     Linux 4.18-rc3
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < git log --format=%s --max-count=1 021c91791a5e7e85c567452f1be3e4c2c6cb6063
# < make -s -j 10 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 10 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: 0:00:32.561084