# git rev-parse -q --verify 9453b2d4694c2cb6c30d99e65d4a3deb09e94ac3^{commit}
9453b2d4694c2cb6c30d99e65d4a3deb09e94ac3
already have revision, skipping fetch
# git checkout -q -f -B kisskb 9453b2d4694c2cb6c30d99e65d4a3deb09e94ac3
# git clean -qxdf
# < git log -1
# commit 9453b2d4694c2cb6c30d99e65d4a3deb09e94ac3
# Merge: 429731277dfd f06885b3f3e3
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Oct 18 10:03:23 2020 -0700
# 
#     Merge tag 'for-linus-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
#     
#     Pull UML updates from Richard Weinberger:
#     
#      - Improve support for non-glibc systems
#     
#      - Vector: Add support for scripting and dynamic tap devices
#     
#      - Various fixes for the vector networking driver
#     
#      - Various fixes for time travel mode
#     
#     * tag 'for-linus-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
#       um: vector: Add dynamic tap interfaces and scripting
#       um: Clean up stacktrace dump
#       um: Fix incorrect assumptions about max pid length
#       um: Remove dead usage of TIF_IA32
#       um: Remove redundant NULL check
#       um: change sigio_spinlock to a mutex
#       um: time-travel: Return the sequence number in ACK messages
#       um: time-travel: Fix IRQ handling in time_travel_handle_message()
#       um: Allow static linking for non-glibc implementations
#       um: Some fixes to build UML with musl
#       um: vector: Use GFP_ATOMIC under spin lock
#       um: Fix null pointer dereference in vector_user_bpf
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 9453b2d4694c2cb6c30d99e65d4a3deb09e94ac3
# < make -s -j 120 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 allmodconfig

WARNING: unmet direct dependencies detected for MFD_CORE
  Depends on [n]: HAS_IOMEM [=n]
  Selected by [m]:
  - MFD_HI6421_SPMI [=m] && STAGING [=y] && OF [=y] && SPMI [=m]
# Added to kconfig CONFIG_STANDALONE=y
# Added to kconfig CONFIG_KCOV=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_GCC_PLUGIN_STRUCTLEAK=n
# Added to kconfig CONFIG_GCC_PLUGIN_RANDSTRUCT=n
# Added to kconfig CONFIG_UML_NET=n
# Added to kconfig CONFIG_UML_NET_ETHERTAP=n
# Added to kconfig CONFIG_UML_NET_TUNTAP=n
# Added to kconfig CONFIG_UML_NET_SLIP=n
# Added to kconfig CONFIG_UML_NET_DAEMON=n
# Added to kconfig CONFIG_UML_NET_VDE=n
# Added to kconfig CONFIG_UML_NET_MCAST=n
# Added to kconfig CONFIG_UML_NET_PCAP=n
# Added to kconfig CONFIG_UML_NET_SLIRP=n
# Added to kconfig CONFIG_GCOV_KERNEL=n
# Added to kconfig CONFIG_DEBUG_INFO_BTF=n
# yes \n | make -s -j 120 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 oldconfig
yes: standard output: Broken pipe
# make -s -j 120 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 

WARNING: unmet direct dependencies detected for MFD_CORE
  Depends on [n]: HAS_IOMEM [=n]
  Selected by [m]:
  - MFD_HI6421_SPMI [=m] && STAGING [=y] && OF [=y] && SPMI [=m]

WARNING: unmet direct dependencies detected for MFD_CORE
  Depends on [n]: HAS_IOMEM [=n]
  Selected by [m]:
  - MFD_HI6421_SPMI [=m] && STAGING [=y] && OF [=y] && SPMI [=m]

WARNING: unmet direct dependencies detected for MFD_CORE
  Depends on [n]: HAS_IOMEM [=n]
  Selected by [m]:
  - MFD_HI6421_SPMI [=m] && STAGING [=y] && OF [=y] && SPMI [=m]
/kisskb/src/arch/um/os-Linux/signal.c: In function 'sig_handler_common':
/kisskb/src/arch/um/os-Linux/signal.c:51:1: warning: the frame size of 2976 bytes is larger than 2048 bytes [-Wframe-larger-than=]
 }
 ^
/kisskb/src/arch/um/os-Linux/signal.c: In function 'timer_real_alarm_handler':
/kisskb/src/arch/um/os-Linux/signal.c:95:1: warning: the frame size of 2960 bytes is larger than 2048 bytes [-Wframe-larger-than=]
 }
 ^

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

No libelf found
make[5]: *** [Makefile:285: elfdep] Error 1
make[4]: *** [/kisskb/src/kernel/bpf/preload/Makefile:8: kernel/bpf/preload/libbpf.a] Error 2
make[3]: *** [/kisskb/src/scripts/Makefile.build:500: kernel/bpf/preload] Error 2
make[2]: *** [/kisskb/src/scripts/Makefile.build:500: kernel/bpf] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1777: kernel] Error 2
make[1]: *** Waiting for unfinished jobs....
/kisskb/src/lib/lz4/lz4hc_compress.c: In function 'LZ4HC_compress_generic':
/kisskb/src/lib/lz4/lz4hc_compress.c:579:1: warning: the frame size of 2144 bytes is larger than 2048 bytes [-Wframe-larger-than=]
 }
 ^
make: *** [Makefile:185: __sub-make] Error 2
Command 'make -s -j 120 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_um-allmodconfig_um-x86_64
# Build took: 0:03:10.384620