# git rev-parse -q --verify 94e89b40235476a83a53a47b9ffb0cb91a4c335e^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 94e89b40235476a83a53a47b9ffb0cb91a4c335e^{commit}
94e89b40235476a83a53a47b9ffb0cb91a4c335e
# git checkout -q -f -B kisskb 94e89b40235476a83a53a47b9ffb0cb91a4c335e
# git clean -qxdf
# < git log -1
# commit 94e89b40235476a83a53a47b9ffb0cb91a4c335e
# Merge: f74fd13f4585 9917b54aded1
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Dec 7 14:51:04 2019 -0800
# 
#     Merge tag 'vfio-v5.5-rc1' of git://github.com/awilliam/linux-vfio
#     
#     Pull VFIO updates from Alex Williamson:
#     
#      - Remove hugepage checks for reserved pfns (Ben Luo)
#     
#      - Fix irq-bypass unregister ordering (Jiang Yi)
#     
#     * tag 'vfio-v5.5-rc1' of git://github.com/awilliam/linux-vfio:
#       vfio/pci: call irq_bypass_unregister_producer() before freeing irq
#       vfio/type1: remove hugepage checks in is_invalid_reserved_pfn()
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 94e89b40235476a83a53a47b9ffb0cb91a4c335e
# < 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>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/linus_sparc64-defconfig_sparc64
# Build took: 0:01:17.597219