# git rev-parse -q --verify 8ca5297e7e38f2dc8c753d33a5092e7be181fff0^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 8ca5297e7e38f2dc8c753d33a5092e7be181fff0^{commit}
8ca5297e7e38f2dc8c753d33a5092e7be181fff0
# git checkout -q -f -B kisskb 8ca5297e7e38f2dc8c753d33a5092e7be181fff0
# git clean -qxdf
# < git log -1
# commit 8ca5297e7e38f2dc8c753d33a5092e7be181fff0
# Merge: b0030af53a74 8ac27f2c6eac
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Apr 29 14:32:00 2021 -0700
# 
#     Merge tag 'kconfig-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
#     
#     Pull Kconfig updates from Masahiro Yamada:
#     
#      - Change 'option defconfig' to the environment variable
#        KCONFIG_DEFCONFIG_LIST
#     
#      - Refactor tinyconfig without using allnoconfig_y
#     
#      - Remove 'option allnoconfig_y' syntax
#     
#      - Change 'option modules' to 'modules'
#     
#      - Do not use /boot/config-* etc. as base config for cross-compilation
#     
#      - Fix a search bug in nconf
#     
#      - Various code cleanups
#     
#     * tag 'kconfig-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (34 commits)
#       kconfig: refactor .gitignore
#       kconfig: highlight xconfig 'comment' lines with '***'
#       kconfig: highlight gconfig 'comment' lines with '***'
#       kconfig: gconf: remove unused code
#       kconfig: remove unused PACKAGE definition
#       kconfig: nconf: stop endless search loops
#       kconfig: split menu.c out of parser.y
#       kconfig: nconf: refactor in print_in_middle()
#       kconfig: nconf: remove meaningless wattrset() call from show_menu()
#       kconfig: nconf: change set_config_filename() to void function
#       kconfig: nconf: refactor attributes setup code
#       kconfig: nconf: remove unneeded default for menu prompt
#       kconfig: nconf: get rid of (void) casts from wattrset() calls
#       kconfig: nconf: fix NORMAL attributes
#       kconfig: mconf,nconf: remove unneeded '\0' termination after snprintf()
#       kconfig: use /boot/config-* etc. as DEFCONFIG_LIST only for native build
#       kconfig: change sym_change_count to a boolean flag
#       kconfig: nconf: fix core dump when searching in empty menu
#       kconfig: lxdialog: A spello fix and a punctuation added
#       kconfig: streamline_config.pl: Couple of typo fixes
#       ...
# < /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 8ca5297e7e38f2dc8c753d33a5092e7be181fff0
# < make -s -j 24 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
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 24 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 24 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:4742:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 24 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-  
/kisskb/src/arch/arm64/Makefile:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
/kisskb/src/arch/arm64/Makefile:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
libbpf.c:47:20: fatal error: libelf.h: No such file or directory
compilation terminated.
make[6]: *** [/kisskb/src/tools/build/Makefile.build:97: /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4/kernel/bpf/preload/staticobjs/libbpf.o] Error 1
make[5]: *** [Makefile:158: /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4/kernel/bpf/preload/staticobjs/libbpf-in.o] Error 2
make[4]: *** [/kisskb/src/kernel/bpf/preload/Makefile:11: kernel/bpf/preload/libbpf.a] Error 2
make[3]: *** [/kisskb/src/scripts/Makefile.build:515: kernel/bpf/preload] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/scripts/Makefile.build:515: kernel/bpf] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1855: kernel] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:215: __sub-make] Error 2
Command 'make -s -j 24 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: 0:02:46.303856