# git rev-parse -q --verify a1ca8e7147d07cb8649c618bc9902a9a7e6444e1^{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 a1ca8e7147d07cb8649c618bc9902a9a7e6444e1^{commit}
a1ca8e7147d07cb8649c618bc9902a9a7e6444e1
# git checkout -q -f -B kisskb a1ca8e7147d07cb8649c618bc9902a9a7e6444e1
# git clean -qxdf
# < git log -1
# commit a1ca8e7147d07cb8649c618bc9902a9a7e6444e1
# Merge: 63b0c403394d 58bc6d1be2f3
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Aug 30 10:18:07 2021 -0700
# 
#     Merge tag 'fs_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
#     
#     Pull UDF and isofs updates from Jan Kara:
#      "Several smaller fixes and cleanups in UDF and isofs"
#     
#     * tag 'fs_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
#       udf_get_extendedattr() had no boundary checks.
#       isofs: joliet: Fix iocharset=utf8 mount option
#       udf: Fix iocharset=utf8 mount option
#       udf: Get rid of 0-length arrays in struct fileIdentDesc
#       udf: Get rid of 0-length arrays
#       udf: Remove unused declaration
#       udf: Check LVID earlier
# < /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 a1ca8e7147d07cb8649c618bc9902a9a7e6444e1
# < make -s -j 32 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
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 32 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 32 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:7020:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 32 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-  
warning: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
warning: LSE atomics not supported by binutils
/kisskb/src/kernel/trace/trace_osnoise.c: In function 'start_kthread':
/kisskb/src/kernel/trace/trace_osnoise.c:1515:8: warning: 'main' is usually a function [-Wmain]
  void *main = osnoise_main;
        ^
Completed OK
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4
# Build took: 0:04:46.278091