# git rev-parse -q --verify 2c7ea6557e21c6c5182966a85696eec040e412f8^{commit}
2c7ea6557e21c6c5182966a85696eec040e412f8
already have revision, skipping fetch
# git checkout -q -f -B kisskb 2c7ea6557e21c6c5182966a85696eec040e412f8
# git clean -qxdf
# < git log -1
# commit 2c7ea6557e21c6c5182966a85696eec040e412f8
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Thu Jan 2 19:50:18 2020 +0100
# 
#     Linux 4.19.93-rc1
# < /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 2c7ea6557e21c6c5182966a85696eec040e412f8
# < make -s -j 32 ARCH=arm64 O=/kisskb/build/stable-rc-4.19_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# make -s -j 32 ARCH=arm64 O=/kisskb/build/stable-rc-4.19_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_submit_rx':
/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:1328:16: note: 'flags' was declared here
  unsigned long flags;
                ^
Completed OK
# rm -rf /kisskb/build/stable-rc-4.19_arm64-defconfig_arm64-gcc5.4
# Build took: 0:04:06.507302