# git gc
# git rev-parse -q --verify c605c39677b9842b0566013e0cf30bc13e90bdbc^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify c605c39677b9842b0566013e0cf30bc13e90bdbc^{commit}
c605c39677b9842b0566013e0cf30bc13e90bdbc
# git checkout -q -f -B kisskb c605c39677b9842b0566013e0cf30bc13e90bdbc
# git clean -qxdf
# < git log -1
# commit c605c39677b9842b0566013e0cf30bc13e90bdbc
# Merge: c0f7e49fc480 32c2d33e0b7c
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Sep 11 10:28:14 2021 -0700
# 
#     Merge tag 'io_uring-5.15-2021-09-11' of git://git.kernel.dk/linux-block
#     
#     Pull io_uring fixes from Jens Axboe:
#     
#      - Fix an off-by-one in a BUILD_BUG_ON() check. Not a real issue right
#        now as we have plenty of flags left, but could become one. (Hao)
#     
#      - Fix lockdep issue introduced in this merge window (me)
#     
#      - Fix a few issues with the worker creation (me, Pavel, Qiang)
#     
#      - Fix regression with wq_has_sleeper() for IOPOLL (Pavel)
#     
#      - Timeout link error propagation fix (Pavel)
#     
#     * tag 'io_uring-5.15-2021-09-11' of git://git.kernel.dk/linux-block:
#       io_uring: fix off-by-one in BUILD_BUG_ON check of __REQ_F_LAST_BIT
#       io_uring: fail links of cancelled timeouts
#       io-wq: fix memory leak in create_io_worker()
#       io-wq: fix silly logic error in io_task_work_match()
#       io_uring: drop ctx->uring_lock before acquiring sqd->lock
#       io_uring: fix missing mb() before waitqueue_active
#       io-wq: fix cancellation on create-worker failure
# < /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 c605c39677b9842b0566013e0cf30bc13e90bdbc
# < 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
# 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-  
/kisskb/src/scripts/dtc/include-prefixes/arm/bcm2711-rpi-4-b.dts:220.10-231.4: Warning (pci_device_reg): /scb/pcie@7d500000/pci@1,0: PCI unit address format error, expected "0,0"
/kisskb/src/scripts/dtc/include-prefixes/arm/bcm2711-rpi-4-b.dts:220.10-231.4: Warning (pci_device_reg): /scb/pcie@7d500000/pci@1,0: PCI unit address format error, expected "0,0"
Completed OK
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8
# Build took: 0:05:18.120276