# git rev-parse -q --verify ad347abe4a9876b1f65f408ab467137e88f77eb4^{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 ad347abe4a9876b1f65f408ab467137e88f77eb4^{commit}
ad347abe4a9876b1f65f408ab467137e88f77eb4
# git checkout -q -f -B kisskb ad347abe4a9876b1f65f408ab467137e88f77eb4
# git clean -qxdf
# < git log -1
# commit ad347abe4a9876b1f65f408ab467137e88f77eb4
# Merge: 548843c096d0 3e08a9f9760f
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Jun 11 17:05:03 2021 -0700
# 
#     Merge tag 'trace-v5.13-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
#     
#     Pull tracing fixes from Steven Rostedt:
#     
#      - Fix the length check in the temp buffer filter
#     
#      - Fix build failure in bootconfig tools for "fallthrough" macro
#     
#      - Fix error return of bootconfig apply_xbc() routine
#     
#     * tag 'trace-v5.13-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
#       tracing: Correct the length check which causes memory corruption
#       ftrace: Do not blindly read the ip address in ftrace_bug()
#       tools/bootconfig: Fix a build error accroding to undefined fallthrough
#       tools/bootconfig: Fix error return code in apply_xbc()
# < /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 ad347abe4a9876b1f65f408ab467137e88f77eb4
# < make -s -j 48 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 48 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 48 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:7330:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 48 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: 0:06:31.649200