# git rev-parse -q --verify 1c273e10bc0cc7efb933e0ca10e260cdfc9f0b8c^{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 1c273e10bc0cc7efb933e0ca10e260cdfc9f0b8c^{commit}
1c273e10bc0cc7efb933e0ca10e260cdfc9f0b8c
# git checkout -q -f -B kisskb 1c273e10bc0cc7efb933e0ca10e260cdfc9f0b8c
# git clean -qxdf
# < git log -1
# commit 1c273e10bc0cc7efb933e0ca10e260cdfc9f0b8c
# Merge: d626c692aaeb 6980d29ce4da
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Mar 19 17:32:30 2021 -0700
# 
#     Merge tag 'zonefs-5.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
#     
#     Pull zonefs fixes from Damien Le Moal:
#     
#      - fix inode write open reference count (Chao)
#     
#      - Fix wrong write offset for asynchronous O_APPEND writes (me)
#     
#      - Prevent use of sequential zone file as swap files (me)
#     
#     * tag 'zonefs-5.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
#       zonefs: fix to update .i_wr_refcnt correctly in zonefs_open_zone()
#       zonefs: Fix O_APPEND async write handling
#       zonefs: prevent use of seq files as swap file
# < /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 1c273e10bc0cc7efb933e0ca10e260cdfc9f0b8c
# < 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=0x43E0D193
# 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
# 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:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:25: 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: 0:02:53.411161