# git rev-parse -q --verify 713db356041071d16360e82247de3107ec9ed57f^{commit}
713db356041071d16360e82247de3107ec9ed57f
already have revision, skipping fetch
# git checkout -q -f -B kisskb 713db356041071d16360e82247de3107ec9ed57f
# git clean -qxdf
# < git log -1
# commit 713db356041071d16360e82247de3107ec9ed57f
# Merge: 288b27a06e4f 1b9867eb6120
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Feb 16 11:43:45 2020 -0800
# 
#     Merge tag 'for-5.6-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
#     
#     Pull btrfs fixes from David Sterba:
#      "Two races fixed, memory leak fix, sysfs directory fixup and two new
#       log messages:
#     
#        - two fixed race conditions: extent map merging and truncate vs
#          fiemap
#     
#        - create the right sysfs directory with device information and move
#          the individual device dirs under it
#     
#        - print messages when the tree-log is replayed at mount time or
#          cannot be replayed on remount"
#     
#     * tag 'for-5.6-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
#       btrfs: sysfs, move device id directories to UUID/devinfo
#       btrfs: sysfs, add UUID/devinfo kobject
#       Btrfs: fix race between shrinking truncate and fiemap
#       btrfs: log message when rw remount is attempted with unclean tree-log
#       btrfs: print message when tree-log replay starts
#       Btrfs: fix race between using extent maps and merging them
#       btrfs: ref-verify: fix memory leaks
# < /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 713db356041071d16360e82247de3107ec9ed57f
# < 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:35: 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:14,
                 from /kisskb/src/drivers/tty/serial/sh-sci.c:20:
/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:1348:16: note: 'flags' was declared here
  unsigned long flags;
                ^
/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;
                ^
Completed OK
# rm -rf /kisskb/build/linus_arm64-defconfig_arm64-gcc5.4
# Build took: 0:04:45.210717