# git rev-parse -q --verify b8e382a185ebb1bca66bd541e5a0f858b6b9cbb9^{commit}
b8e382a185ebb1bca66bd541e5a0f858b6b9cbb9
already have revision, skipping fetch
# git checkout -q -f -B kisskb b8e382a185ebb1bca66bd541e5a0f858b6b9cbb9
# git clean -qxdf
# < git log -1
# commit b8e382a185ebb1bca66bd541e5a0f858b6b9cbb9
# Merge: 4746104a6f59 fe6e096a5bbf
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Dec 21 15:16:56 2019 -0800
# 
#     Merge tag 'trace-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
#     
#     Pull tracing fixes from Steven Rostedt:
#     
#      - Fix memory leak on error path of process_system_preds()
#     
#      - Lock inversion fix with updating tgid recording option
#     
#      - Fix histogram compare function on big endian machines
#     
#      - Fix histogram trigger function on big endian machines
#     
#      - Make trace_printk() irq sync on init for kprobe selftest correctness
#     
#     * tag 'trace-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
#       tracing: Fix endianness bug in histogram trigger
#       samples/trace_printk: Wait for IRQ work to finish
#       tracing: Fix lock inversion in trace_event_enable_tgid_record()
#       tracing: Have the histogram compare functions convert to u64 first
#       tracing: Avoid memory leak in process_system_preds()
# < /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 b8e382a185ebb1bca66bd541e5a0f858b6b9cbb9
# < make -s -j 48 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 48 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: 0:04:34.424801