# git rev-parse -q --verify da0c9ea146cbe92b832f1b0f694840ea8eb33cce^{commit}
da0c9ea146cbe92b832f1b0f694840ea8eb33cce
already have revision, skipping fetch
# git checkout -q -f -B kisskb da0c9ea146cbe92b832f1b0f694840ea8eb33cce
# git clean -qxdf
# < git log -1
# commit da0c9ea146cbe92b832f1b0f694840ea8eb33cce
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Oct 6 14:27:30 2019 -0700
# 
#     Linux 5.4-rc2
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 da0c9ea146cbe92b832f1b0f694840ea8eb33cce
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_pseries_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pseries_defconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_pseries_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
In file included from /kisskb/src/include/linux/list.h:9:0,
                 from /kisskb/src/include/linux/wait.h:7,
                 from /kisskb/src/include/linux/wait_bit.h:8,
                 from /kisskb/src/include/linux/fs.h:6,
                 from /kisskb/src/fs/btrfs/send.c:7:
/kisskb/src/fs/btrfs/send.c: In function 'process_extent':
/kisskb/src/include/linux/kernel.h:37:33: warning: 'clone_src_i_size' may be used uninitialized in this function [-Wmaybe-uninitialized]
 #define IS_ALIGNED(x, a)  (((x) & ((typeof(x))(a) - 1)) == 0)
                                 ^
/kisskb/src/fs/btrfs/send.c:5088:6: note: 'clone_src_i_size' was declared here
  u64 clone_src_i_size;
      ^
Completed OK
# rm -rf /kisskb/build/powerpc-next_pseries_defconfig_powerpc-gcc5
# Build took: 0:02:47.067215