# git rev-parse -q --verify d13937116f1e82bf508a6325111b322c30c85eb9^{commit}
d13937116f1e82bf508a6325111b322c30c85eb9
already have revision, skipping fetch
# git checkout -q -f -B kisskb d13937116f1e82bf508a6325111b322c30c85eb9
# git clean -qxdf
# < git log -1
# commit d13937116f1e82bf508a6325111b322c30c85eb9
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Feb 10 14:42:20 2019 -0800
# 
#     Linux 5.0-rc6
# < /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 d13937116f1e82bf508a6325111b322c30c85eb9
# < make -s -j 8 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 8 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: 0:00:36.189597