Regression found on riscv gcc-11 built with defconfig Following build warnings / errors reported on linux next 20211028.
metadata: git_describe: next-20211028 git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next git_short_log: 503f375baa99 ("Add linux-next specific files for 20211028") target_arch: riscv toolchain: gcc-11
build error : -------------- /builds/linux/arch/riscv/lib/delay.c: In function '__delay': /builds/linux/arch/riscv/lib/delay.c:77:17: error: implicit declaration of function 'cpu_relax' [-Werror=implicit-function-declaration] 77 | cpu_relax(); | ^~~~~~~~~ cc1: some warnings being treated as errors make[2]: *** [/builds/linux/scripts/Makefile.build:288: arch/riscv/lib/delay.o] Error 1
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
build link: ----------- https://builds.tuxbuild.com/208R1uE0CO13gO5XbrrWlqwau7r/build.log
build config: ------------- https://builds.tuxbuild.com/208R1uE0CO13gO5XbrrWlqwau7r/config
# To install tuxmake on your system globally # sudo pip3 install -U tuxmake tuxmake --runtime podman --target-arch riscv --toolchain gcc-11 --kconfig defconfig
-- Linaro LKFT https://lkft.linaro.org