# git rev-parse -q --verify 7cc2a8ea104820dd9e702202621e8fd4d9f6c8cf^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify 7cc2a8ea104820dd9e702202621e8fd4d9f6c8cf^{commit}
7cc2a8ea104820dd9e702202621e8fd4d9f6c8cf
# git checkout -q -f -B kisskb 7cc2a8ea104820dd9e702202621e8fd4d9f6c8cf
# git clean -qxdf
# < git log -1
# commit 7cc2a8ea104820dd9e702202621e8fd4d9f6c8cf
# Merge: c93493b7cd40 e7eea44eefbd
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Jul 2 15:13:51 2020 -0700
# 
#     Merge tag 'block-5.8-2020-07-01' of git://git.kernel.dk/linux-block
#     
#     Pull block fixes from Jens Axboe:
#     
#      - Use kvfree_sensitive() for the block keyslot free (Eric)
#     
#      - Sync blk-mq debugfs flags (Hou)
#     
#      - Memory leak fix in virtio-blk error path (Hou)
#     
#     * tag 'block-5.8-2020-07-01' of git://git.kernel.dk/linux-block:
#       virtio-blk: free vblk-vqs in error path of virtblk_probe()
#       block/keyslot-manager: use kvfree_sensitive()
#       blk-mq-debugfs: update blk_queue_flag_name[] accordingly for new flags
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-ld --version
# < git log --format=%s --max-count=1 7cc2a8ea104820dd9e702202621e8fd4d9f6c8cf
# < make -s -j 48 ARCH=arm O=/kisskb/build/linus_mainstone_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  mainstone_defconfig
# < make -s -j 48 ARCH=arm O=/kisskb/build/linus_mainstone_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  help
# make -s -j 48 ARCH=arm O=/kisskb/build/linus_mainstone_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  olddefconfig
# make -s -j 48 ARCH=arm O=/kisskb/build/linus_mainstone_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  
Completed OK
# rm -rf /kisskb/build/linus_mainstone_defconfig_arm-gcc4.9
# Build took: 0:00:44.121797