# git rev-parse -q --verify 002c0aef109067168ae68ee69b5ce67edc2e63c1^{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 002c0aef109067168ae68ee69b5ce67edc2e63c1^{commit}
002c0aef109067168ae68ee69b5ce67edc2e63c1
# git checkout -q -f -B kisskb 002c0aef109067168ae68ee69b5ce67edc2e63c1
# git clean -qxdf
# < git log -1
# commit 002c0aef109067168ae68ee69b5ce67edc2e63c1
# Merge: 1e6907d58cf0 a9ed27a76415
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Aug 21 08:11:22 2021 -0700
# 
#     Merge tag 'block-5.14-2021-08-20' of git://git.kernel.dk/linux-block
#     
#     Pull block fixes from Jens Axboe:
#      "Three fixes from Ming Lei that should go into 5.14:
#     
#        - Fix for a kernel panic when iterating over tags for some cases
#          where a flush request is present, a regression in this cycle.
#     
#        - Request timeout fix
#     
#        - Fix flush request checking"
#     
#     * tag 'block-5.14-2021-08-20' of git://git.kernel.dk/linux-block:
#       blk-mq: fix is_flush_rq
#       blk-mq: fix kernel panic during iterating over flush request
#       blk-mq: don't grab rq's refcount in blk_mq_check_expired()
# < /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 002c0aef109067168ae68ee69b5ce67edc2e63c1
# < make -s -j 120 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  randconfig
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 120 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  help
# make -s -j 120 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  olddefconfig
.config:5158:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 120 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  
Completed OK
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8
# Build took: 0:04:30.715839