# git rev-parse -q --verify 5908e6b738e3357af42c10e1183753c70a0117a9^{commit}
5908e6b738e3357af42c10e1183753c70a0117a9
already have revision, skipping fetch
# git checkout -q -f -B kisskb 5908e6b738e3357af42c10e1183753c70a0117a9
# git clean -qxdf
# < git log -1
# commit 5908e6b738e3357af42c10e1183753c70a0117a9
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Feb 24 16:46:45 2019 -0800
# 
#     Linux 5.0-rc8
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-ld --version
# < git log --format=%s --max-count=1 5908e6b738e3357af42c10e1183753c70a0117a9
# < 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
# 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-  
<stdin>:1333:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp]
<stdin>:1336:2: warning: #warning syscall rseq not implemented [-Wcpp]
Completed OK
# rm -rf /kisskb/build/linus_xtensa-defconfig_xtensa
# Build took: 0:00:29.549393