# git rev-parse -q --verify aa4330e15c26c5ef8dd184f515c0655db8c6df3a^{commit}
aa4330e15c26c5ef8dd184f515c0655db8c6df3a
already have revision, skipping fetch
# git checkout -q -f -B kisskb aa4330e15c26c5ef8dd184f515c0655db8c6df3a
# git clean -qxdf
# < git log -1
# commit aa4330e15c26c5ef8dd184f515c0655db8c6df3a
# Merge: dc5db2186550 89c38422e072
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Nov 9 16:41:58 2018 -0600
# 
#     Merge tag 'devicetree-fixes-for-4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
#     
#     Pull Devicetree fixes from Rob Herring:
#     
#      - Add validation of NUMA distance map to prevent crashes with bad map
#     
#      - Fix setting of dma_mask
#     
#     * tag 'devicetree-fixes-for-4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
#       of, numa: Validate some distance map rules
#       of/device: Really only set bus DMA mask when appropriate
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < git log --format=%s --max-count=1 aa4330e15c26c5ef8dd184f515c0655db8c6df3a
# < make -s -j 120 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 120 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: 0:00:08.731910