# git rev-parse -q --verify d33bec7b3dfa36691ed53ccaaf187d90b53be852^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify d33bec7b3dfa36691ed53ccaaf187d90b53be852^{commit}
d33bec7b3dfa36691ed53ccaaf187d90b53be852
# git checkout -q -f -B kisskb d33bec7b3dfa36691ed53ccaaf187d90b53be852
# git clean -qxdf
# < git log -1
# commit d33bec7b3dfa36691ed53ccaaf187d90b53be852
# Merge: 0c72b292de0b be9c6bad9b46
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Sep 28 07:27:29 2021 -0700
# 
#     Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
#     
#     Pull virtio/vdpa fixes from Michael Tsirkin:
#      "Fixes up some issues in rc1"
#     
#     * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
#       vdpa: potential uninitialized return in vhost_vdpa_va_map()
#       vdpa/mlx5: Avoid executing set_vq_ready() if device is reset
#       vdpa/mlx5: Clear ready indication for control VQ
#       vduse: Cleanup the old kernel states after reset failure
#       vduse: missing error code in vduse_init()
#       virtio: don't fail on !of_device_is_compatible
# < /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 d33bec7b3dfa36691ed53ccaaf187d90b53be852
# < 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:3997: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-  
  MKDIR     /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8/tools/bpf/resolve_btfids//libbpf
  MKDIR     /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8/tools/bpf/resolve_btfids//libsubcmd
  LINK     resolve_btfids
BTF: .tmp_vmlinux.btf: pahole (pahole) is not available
Failed to generate BTF for vmlinux
Try to disable CONFIG_DEBUG_INFO_BTF
make[1]: *** [/kisskb/src/Makefile:1183: vmlinux] Error 1
make: *** [Makefile:219: __sub-make] Error 2
Command '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-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8
# Build took: 0:03:41.098318