# git rev-parse -q --verify 4b6c093e21d36bede0fd88fd0aeb3b03647260e4^{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 4b6c093e21d36bede0fd88fd0aeb3b03647260e4^{commit}
4b6c093e21d36bede0fd88fd0aeb3b03647260e4
# git checkout -q -f -B kisskb 4b6c093e21d36bede0fd88fd0aeb3b03647260e4
# git clean -qxdf
# < git log -1
# commit 4b6c093e21d36bede0fd88fd0aeb3b03647260e4
# Merge: d84835b118ed c1e2b8422bf9
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Aug 15 20:36:42 2020 -0700
# 
#     Merge tag 'block-5.9-2020-08-14' of git://git.kernel.dk/linux-block
#     
#     Pull block fixes from Jens Axboe:
#      "A few fixes on the block side of things:
#     
#        - Discard granularity fix (Coly)
#     
#        - rnbd cleanups (Guoqing)
#     
#        - md error handling fix (Dan)
#     
#        - md sysfs fix (Junxiao)
#     
#        - Fix flush request accounting, which caused an IO slowdown for some
#          configurations (Ming)
#     
#        - Properly propagate loop flag for partition scanning (Lennart)"
#     
#     * tag 'block-5.9-2020-08-14' of git://git.kernel.dk/linux-block:
#       block: fix double account of flush request's driver tag
#       loop: unset GENHD_FL_NO_PART_SCAN on LOOP_CONFIGURE
#       rnbd: no need to set bi_end_io in rnbd_bio_map_kern
#       rnbd: remove rnbd_dev_submit_io
#       md-cluster: Fix potential error pointer dereference in resize_bitmaps()
#       block: check queue's limits.discard_granularity in __blkdev_issue_discard()
#       md: get sysfs entry after redundancy attr group create
# < /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 4b6c093e21d36bede0fd88fd0aeb3b03647260e4
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  randconfig
KCONFIG_SEED=0xB990FCA2
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  help
# make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  olddefconfig
.config:5659:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:26: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:26: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
/kisskb/src/arch/arm64/boot/dts/qcom/ipq6018.dtsi:127.3-14: Warning (dma_ranges_format): /soc:dma-ranges: empty "dma-ranges" property but its #address-cells (1) differs from / (2)
/kisskb/src/arch/arm64/boot/dts/qcom/ipq6018.dtsi:127.3-14: Warning (dma_ranges_format): /soc:dma-ranges: empty "dma-ranges" property but its #size-cells (1) differs from / (2)
arch/arm64/Makefile:26: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
Completed OK
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4
# Build took: 0:06:42.265209