# git rev-parse -q --verify b961f8dc8976c091180839f4483d67b7c2ca2578^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify b961f8dc8976c091180839f4483d67b7c2ca2578^{commit}
b961f8dc8976c091180839f4483d67b7c2ca2578
# git checkout -q -f -B kisskb b961f8dc8976c091180839f4483d67b7c2ca2578
# git clean -qxdf
# < git log -1
# commit b961f8dc8976c091180839f4483d67b7c2ca2578
# Merge: a58dfea29731 65a6543da386
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Jun 11 16:10:08 2020 -0700
# 
#     Merge tag 'io_uring-5.8-2020-06-11' of git://git.kernel.dk/linux-block
#     
#     Pull io_uring fixes from Jens Axboe:
#      "A few late stragglers in here. In particular:
#     
#        - Validate full range for provided buffers (Bijan)
#     
#        - Fix bad use of kfree() in buffer registration failure (Denis)
#     
#        - Don't allow close of ring itself, it's not fully safe. Making it
#          fully safe would require making the system call more expensive,
#          which isn't worth it.
#     
#        - Buffer selection fix
#     
#        - Regression fix for O_NONBLOCK retry
#     
#        - Make IORING_OP_ACCEPT honor O_NONBLOCK (Jiufei)
#     
#        - Restrict opcode handling for SQ/IOPOLL (Pavel)
#     
#        - io-wq work handling cleanups and improvements (Pavel, Xiaoguang)
#     
#        - IOPOLL race fix (Xiaoguang)"
#     
#     * tag 'io_uring-5.8-2020-06-11' of git://git.kernel.dk/linux-block:
#       io_uring: fix io_kiocb.flags modification race in IOPOLL mode
#       io_uring: check file O_NONBLOCK state for accept
#       io_uring: avoid unnecessary io_wq_work copy for fast poll feature
#       io_uring: avoid whole io_wq_work copy for requests completed inline
#       io_uring: allow O_NONBLOCK async retry
#       io_wq: add per-wq work handler instead of per work
#       io_uring: don't arm a timeout through work.func
#       io_uring: remove custom ->func handlers
#       io_uring: don't derive close state from ->func
#       io_uring: use kvfree() in io_sqe_buffer_register()
#       io_uring: validate the full range of provided buffers for access
#       io_uring: re-set iov base/len for buffer select retry
#       io_uring: move send/recv IOPOLL check into prep
#       io_uring: deduplicate io_openat{,2}_prep()
#       io_uring: do build_open_how() only once
#       io_uring: fix {SQ,IO}POLL with unsupported opcodes
#       io_uring: disallow close of ring itself
# < /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 b961f8dc8976c091180839f4483d67b7c2ca2578
# < make -s -j 8 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=0x41F9514B
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 8 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 8 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:5019:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 8 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)
Completed OK
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4
# Build took: 0:06:22.827038