# git rev-parse -q --verify 12975989976505c36ae24229eff0cff35dc5b61a^{commit}
12975989976505c36ae24229eff0cff35dc5b61a
already have revision, skipping fetch
# git checkout -q -f -B kisskb 12975989976505c36ae24229eff0cff35dc5b61a
# git clean -qxdf
# < git log -1
# commit 12975989976505c36ae24229eff0cff35dc5b61a
# Author: Stephen Rothwell <sfr@canb.auug.org.au>
# Date:   Wed Feb 12 13:56:38 2020 +1100
# 
#     Add linux-next specific files for 20200212
#     
#     Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 12975989976505c36ae24229eff0cff35dc5b61a
# < make -s -j 10 ARCH=arm64 O=/kisskb/build/linux-next_arm64-allmodconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  allmodconfig
# make -s -j 10 ARCH=arm64 O=/kisskb/build/linux-next_arm64-allmodconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  
/kisskb/src/fs/btrfs/volumes.c: In function 'btrfs_scratch_superblocks':
/kisskb/src/fs/btrfs/volumes.c:7338:3: warning: ignoring return value of 'write_one_page', declared with attribute warn_unused_result [-Wunused-result]
   write_one_page(page);
   ^~~~~~~~~~~~~~~~~~~~
Completed OK
# rm -rf /kisskb/build/linux-next_arm64-allmodconfig_arm64-gcc8
# Build took: 0:50:27.193409