# 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-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < git log --format=%s --max-count=1 aa4330e15c26c5ef8dd184f515c0655db8c6df3a
# < make -s -j 80 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  defconfig
# make -s -j 80 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
  kernel: arch/sparc/boot/image is ready
WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/linus_sparc64-defconfig_sparc64
# Build took: 0:01:08.184939