# git rev-parse -q --verify dd1c3ed76f26504621b5ce08b894666aafa38e47^{commit}
dd1c3ed76f26504621b5ce08b894666aafa38e47
already have revision, skipping fetch
# git checkout -q -f -B kisskb dd1c3ed76f26504621b5ce08b894666aafa38e47
# git clean -qxdf
# < git log -1
# commit dd1c3ed76f26504621b5ce08b894666aafa38e47
# Merge: 6c3ac1134371 60deebe6149a
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Mar 7 13:27:53 2019 -0800
# 
#     Merge tag 'xtensa-20190307' of git://github.com/jcmvbkbc/linux-xtensa
#     
#     Pull xtensa updates from Max Filippov:
#     
#      - use generic spinlock/rwlock implementations
#     
#      - clean up IPI processing
#     
#      - document boot parameters passing to the kernel
#     
#      - fix get_wchan
#     
#      - various cleanups in time.c, process.c, traps.c and thread_info.h
#     
#     * tag 'xtensa-20190307' of git://github.com/jcmvbkbc/linux-xtensa:
#       xtensa: simplify trap_init
#       xtensa: drop unused definitions
#       xtensa: fix get_wchan
#       xtensa: use generic spinlock/rwlock implementation
#       xtensa: provide xchg for sizes 1 and 2
#       xtensa: clean up arch/xtensa/kernel/time.c
#       xtensa: SMP: rework IPI processing
#       xtensa: document boot parameter passing
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 dd1c3ed76f26504621b5ce08b894666aafa38e47
# < make -s -j 8 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  defconfig
# make -s -j 8 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  
Completed OK
# rm -rf /kisskb/build/linus_arm64-defconfig_arm64-gcc8
# Build took: 0:07:07.451875