# git rev-parse -q --verify 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d^{commit}
84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d
already have revision, skipping fetch
# git checkout -q -f -B kisskb 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d
# git clean -qxdf
# < git log -1
# commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Mon Oct 22 07:37:37 2018 +0100
# 
#     Linux 4.19
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < git log --format=%s --max-count=1 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d
# < make -s -j 80 ARCH=xtensa O=/kisskb/build/linus_xtensa-allnoconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  allnoconfig
drivers/staging/mt7621-dts/Kconfig:4:warning: 'BUILTIN_DTB' has wrong type. 'select' only accept arguments of bool and tristate type
# make -s -j 80 ARCH=xtensa O=/kisskb/build/linus_xtensa-allnoconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  
<stdin>:1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp]
<stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
Completed OK
# rm -rf /kisskb/build/linus_xtensa-allnoconfig_xtensa
# Build took: 0:00:17.267729