reproduce (this is a W=1 build):
        # https://github.com/jcmvbkbc/linux-xtensa/commit/de5a96ec7f9b35d9493bc022d16cd1a03ff73798
        git remote add jcmvbkbc-xtensa https://github.com/jcmvbkbc/linux-xtensa
        git fetch --no-tags jcmvbkbc-xtensa xtensa-6.11-rc6-esp32
        git checkout de5a96ec7f9b35d9493bc022d16cd1a03ff73798
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/misc/ kernel/events/