# git rev-parse -q --verify 6afa873170a612b2b9e392c19c523ed8aae6fbc9^{commit}
6afa873170a612b2b9e392c19c523ed8aae6fbc9
already have revision, skipping fetch
# git checkout -q -f -B kisskb 6afa873170a612b2b9e392c19c523ed8aae6fbc9
# git clean -qxdf
# < git log -1
# commit 6afa873170a612b2b9e392c19c523ed8aae6fbc9
# Merge: 4c80ba392bf6 4eac734486fd
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Dec 16 10:06:04 2019 -0800
# 
#     Merge tag 'linux-kselftest-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
#     
#     Pull kselftest fixes from Shuah Khan:
#     
#      - ftrace and safesetid test fixes from Masami Hiramatsu
#     
#      - Kunit fixes from Brendan Higgins, Iurii Zaikin, and Heidi Fahim
#     
#      - Kselftest framework fixes from SeongJae Park and Michael Ellerman
#     
#     * tag 'linux-kselftest-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
#       kselftest: Support old perl versions
#       kselftest/runner: Print new line in print of timeout log
#       selftests: Fix dangling documentation references to kselftest_module.sh
#       Documentation: kunit: add documentation for kunit_tool
#       Documentation: kunit: fix typos and gramatical errors
#       kunit: testing kunit: Bug fix in test_run_timeout function
#       fs/ext4/inode-test: Fix inode test on 32 bit platforms.
#       selftests: safesetid: Fix Makefile to set correct test program
#       selftests: safesetid: Check the return value of setuid/setgid
#       selftests: safesetid: Move link library to LDLIBS
#       selftests/ftrace: Fix multiple kprobe testcase
#       selftests/ftrace: Do not to use absolute debugfs path
#       selftests/ftrace: Fix ftrace test cases to check unsupported
#       selftests/ftrace: Fix to check the existence of set_ftrace_filter
# < /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 6afa873170a612b2b9e392c19c523ed8aae6fbc9
# < 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:38: LSE atomics not supported by binutils
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr':
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized]
   pd->msg->buf[real_pos] = data;
                          ^
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:372:16: note: 'data' was declared here
  unsigned char data;
                ^
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:14,
                 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:288:3: 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:1352:16: note: 'flags' was declared here
  unsigned long flags;
                ^
Completed OK
# rm -rf /kisskb/build/linus_arm64-defconfig_arm64-gcc5.4
# Build took: 0:09:49.847831