# git rev-parse -q --verify 9e4b0d55d84a66dbfede56890501dc96e696059c^{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 9e4b0d55d84a66dbfede56890501dc96e696059c^{commit}
9e4b0d55d84a66dbfede56890501dc96e696059c
# git checkout -q -f -B kisskb 9e4b0d55d84a66dbfede56890501dc96e696059c
# git clean -qxdf
# < git log -1
# commit 9e4b0d55d84a66dbfede56890501dc96e696059c
# Merge: 51895d58c7c0 93cebeb1c21a
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Dec 14 12:18:19 2020 -0800
# 
#     Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
#     
#     Pull crypto updates from Herbert Xu:
#      "API:
#        - Add speed testing on 1420-byte blocks for networking
#     
#       Algorithms:
#        - Improve performance of chacha on ARM for network packets
#        - Improve performance of aegis128 on ARM for network packets
#     
#       Drivers:
#        - Add support for Keem Bay OCS AES/SM4
#        - Add support for QAT 4xxx devices
#        - Enable crypto-engine retry mechanism in caam
#        - Enable support for crypto engine on sdm845 in qce
#        - Add HiSilicon PRNG driver support"
#     
#     * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (161 commits)
#       crypto: qat - add capability detection logic in qat_4xxx
#       crypto: qat - add AES-XTS support for QAT GEN4 devices
#       crypto: qat - add AES-CTR support for QAT GEN4 devices
#       crypto: atmel-i2c - select CONFIG_BITREVERSE
#       crypto: hisilicon/trng - replace atomic_add_return()
#       crypto: keembay - Add support for Keem Bay OCS AES/SM4
#       dt-bindings: Add Keem Bay OCS AES bindings
#       crypto: aegis128 - avoid spurious references crypto_aegis128_update_simd
#       crypto: seed - remove trailing semicolon in macro definition
#       crypto: x86/poly1305 - Use TEST %reg,%reg instead of CMP $0,%reg
#       crypto: x86/sha512 - Use TEST %reg,%reg instead of CMP $0,%reg
#       crypto: aesni - Use TEST %reg,%reg instead of CMP $0,%reg
#       crypto: cpt - Fix sparse warnings in cptpf
#       hwrng: ks-sa - Add dependency on IOMEM and OF
#       crypto: lib/blake2s - Move selftest prototype into header file
#       crypto: arm/aes-ce - work around Cortex-A57/A72 silion errata
#       crypto: ecdh - avoid unaligned accesses in ecdh_set_secret()
#       crypto: ccree - rework cache parameters handling
#       crypto: cavium - Use dma_set_mask_and_coherent to simplify code
#       crypto: marvell/octeontx - Use dma_set_mask_and_coherent to simplify code
#       ...
# < /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 9e4b0d55d84a66dbfede56890501dc96e696059c
# < 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=0x5B0035B8
# 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
# 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-  

Auto-detecting system features:
...                        libelf: [ OFF ]
...                          zlib: [ OFF ]
...                           bpf: [ on  ]

No libelf found
make[5]: *** [Makefile:287: elfdep] Error 1
make[4]: *** [/kisskb/src/kernel/bpf/preload/Makefile:8: kernel/bpf/preload/libbpf.a] Error 2
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [/kisskb/src/scripts/Makefile.build:496: kernel/bpf/preload] Error 2
make[2]: *** [/kisskb/src/scripts/Makefile.build:496: kernel/bpf] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1805: kernel] Error 2
make[1]: *** Waiting for unfinished jobs....
/kisskb/src/samples/seccomp/user-trap.c: In function 'send_fd':
/kisskb/src/samples/seccomp/user-trap.c:50:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
  *((int *)CMSG_DATA(cmsg)) = fd;
  ^
/kisskb/src/samples/seccomp/user-trap.c: In function 'recv_fd':
/kisskb/src/samples/seccomp/user-trap.c:83:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
  return *((int *)CMSG_DATA(cmsg));
  ^
make: *** [Makefile:185: __sub-make] Error 2
Command '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-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4
# Build took: 0:07:16.727631