# 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/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 dd1c3ed76f26504621b5ce08b894666aafa38e47
# < make -s -j 10 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# make -s -j 10 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:40: LSE atomics not supported by binutils
In file included from /kisskb/src/include/linux/rwsem.h:16:0,
                 from /kisskb/src/include/linux/notifier.h:15,
                 from /kisskb/src/include/linux/clk.h:17,
                 from /kisskb/src/drivers/tty/serial/sh-sci.c:24:
/kisskb/src/drivers/tty/serial/sh-sci.c: In function 'sci_dma_rx_submit':
/kisskb/src/include/linux/spinlock.h:279:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized]
   _raw_spin_unlock_irqrestore(lock, flags); \
   ^
/kisskb/src/drivers/tty/serial/sh-sci.c:1363:16: note: 'flags' was declared here
  unsigned long flags;
                ^
Completed OK
# rm -rf /kisskb/build/linus_arm64-defconfig_arm64-gcc5.4
# Build took: 0:05:01.895431