# git rev-parse -q --verify b91db6a0b52e019b6bdabea3f1dbe36d85c7e52c^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify b91db6a0b52e019b6bdabea3f1dbe36d85c7e52c^{commit}
b91db6a0b52e019b6bdabea3f1dbe36d85c7e52c
# git checkout -q -f -B kisskb b91db6a0b52e019b6bdabea3f1dbe36d85c7e52c
# git clean -qxdf
# < git log -1
# commit b91db6a0b52e019b6bdabea3f1dbe36d85c7e52c
# Merge: 3b629f8d6dc0 cf30da90bc3a
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Aug 30 19:39:59 2021 -0700
# 
#     Merge tag 'for-5.15/io_uring-vfs-2021-08-30' of git://git.kernel.dk/linux-block
#     
#     Pull io_uring mkdirat/symlinkat/linkat support from Jens Axboe:
#      "This adds io_uring support for mkdirat, symlinkat, and linkat"
#     
#     * tag 'for-5.15/io_uring-vfs-2021-08-30' of git://git.kernel.dk/linux-block:
#       io_uring: add support for IORING_OP_LINKAT
#       io_uring: add support for IORING_OP_SYMLINKAT
#       io_uring: add support for IORING_OP_MKDIRAT
#       namei: update do_*() helpers to return ints
#       namei: make do_linkat() take struct filename
#       namei: add getname_uflags()
#       namei: make do_symlinkat() take struct filename
#       namei: make do_mknodat() take struct filename
#       namei: make do_mkdirat() take struct filename
#       namei: change filename_parentat() calling conventions
#       namei: ignore ERR/NULL names in putname()
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 b91db6a0b52e019b6bdabea3f1dbe36d85c7e52c
# < make -s -j 10 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  randconfig
# Added to kconfig CONFIG_STANDALONE=y
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n
# Added to kconfig CONFIG_GCC_PLUGINS=n
# Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n
# Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n
# Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n
# Added to kconfig CONFIG_BPF_PRELOAD=n
# Added to kconfig 
# < make -s -j 10 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 10 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
.config:7349:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
.config:7351:warning: override: reassigning to symbol GCC_PLUGINS
# make -s -j 10 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  
arch/x86/crypto/sm4-aesni-avx-asm_64.o: warning: objtool: sm4_aesni_avx_crypt8()+0x8: sibling call from callable instruction with modified stack frame
/bin/sh: 1: zstd: not found
cat: write error: Broken pipe
make[3]: *** [/kisskb/src/arch/x86/boot/compressed/Makefile:136: arch/x86/boot/compressed/vmlinux.bin.zst] Error 127
make[3]: *** Deleting file 'arch/x86/boot/compressed/vmlinux.bin.zst'
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/arch/x86/boot/Makefile:115: arch/x86/boot/compressed/vmlinux] Error 2
make[1]: *** [/kisskb/src/arch/x86/Makefile:253: bzImage] Error 2
make: *** [Makefile:220: __sub-make] Error 2
Command 'make -s -j 10 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8
# Build took: 0:07:13.921614