# git rev-parse -q --verify 6efb943b8616ec53a5e444193dccf1af9ad627b5^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 6efb943b8616ec53a5e444193dccf1af9ad627b5^{commit}
6efb943b8616ec53a5e444193dccf1af9ad627b5
# git checkout -q -f -B kisskb 6efb943b8616ec53a5e444193dccf1af9ad627b5
# git clean -qxdf
# < git log -1
# commit 6efb943b8616ec53a5e444193dccf1af9ad627b5
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun May 9 14:17:44 2021 -0700
# 
#     Linux 5.13-rc1
# < /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 6efb943b8616ec53a5e444193dccf1af9ad627b5
# < 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:6302: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-  
/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld: Unexpected GOT/PLT entries detected!
/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld: Unexpected run-time procedure linkages detected!
drivers/gpu/drm/rcar-du/rcar_du_crtc.o: In function `rcar_du_cmm_setup':
rcar_du_crtc.c:(.text+0x21c): undefined reference to `rcar_cmm_setup'
drivers/gpu/drm/rcar-du/rcar_du_crtc.o: In function `rcar_du_crtc_atomic_enable':
rcar_du_crtc.c:(.text+0x143c): undefined reference to `rcar_cmm_enable'
drivers/gpu/drm/rcar-du/rcar_du_crtc.o: In function `rcar_du_crtc_atomic_disable':
rcar_du_crtc.c:(.text+0x1d60): undefined reference to `rcar_cmm_disable'
drivers/gpu/drm/rcar-du/rcar_du_kms.o: In function `rcar_du_modeset_init':
rcar_du_kms.c:(.text+0x854): undefined reference to `rcar_cmm_init'
make[1]: *** [/kisskb/src/Makefile:1191: vmlinux] Error 1
make: *** [Makefile:215: __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: 0:05:05.761590