# git rev-parse -q --verify 9c0d27fe84e1c415288350896f1b01c5aa3c9a5e^{commit}
9c0d27fe84e1c415288350896f1b01c5aa3c9a5e
already have revision, skipping fetch
# git checkout -q -f -B kisskb 9c0d27fe84e1c415288350896f1b01c5aa3c9a5e
# git clean -qxdf
# < git log -1
# commit 9c0d27fe84e1c415288350896f1b01c5aa3c9a5e
# Merge: 7917c8f32b6d 69a106c00e85
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Sat Mar 9 14:15:57 2019 +0100
# 
#     Merge branch 'locking/urgent'
# < /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 9c0d27fe84e1c415288350896f1b01c5aa3c9a5e
# < make -s -j 120 ARCH=arm64 O=/kisskb/build/tip_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# make -s -j 120 ARCH=arm64 O=/kisskb/build/tip_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/list.h:9:0,
                 from /kisskb/src/include/linux/rculist.h:10,
                 from /kisskb/src/include/linux/pid.h:5,
                 from /kisskb/src/include/linux/sched.h:14,
                 from /kisskb/src/kernel/sched/sched.h:5,
                 from /kisskb/src/kernel/sched/cpufreq_schedutil.c:11:
/kisskb/src/kernel/sched/cpufreq_schedutil.c: In function 'sugov_iowait_boost':
/kisskb/src/include/linux/kernel.h:856:29: warning: comparison of distinct pointer types lacks a cast
   (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
                             ^
/kisskb/src/include/linux/kernel.h:870:4: note: in expansion of macro '__typecheck'
   (__typecheck(x, y) && __no_side_effects(x, y))
    ^
/kisskb/src/include/linux/kernel.h:880:24: note: in expansion of macro '__safe_cmp'
  __builtin_choose_expr(__safe_cmp(x, y), \
                        ^
/kisskb/src/include/linux/kernel.h:889:19: note: in expansion of macro '__careful_cmp'
 #define min(x, y) __careful_cmp(x, y, <)
                   ^
/kisskb/src/kernel/sched/cpufreq_schedutil.c:346:26: note: in expansion of macro 'min'
   sg_cpu->iowait_boost = min(sg_cpu->iowait_boost << 1, SCHED_CAPACITY_SCALE);
                          ^
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:1338:16: note: 'flags' was declared here
  unsigned long flags;
                ^
Completed OK
# rm -rf /kisskb/build/tip_arm64-defconfig_arm64-gcc5.4
# Build took: 0:02:21.277009