reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?id=545e6e52fadd5e04524e00f23b59635496318716
        git remote add axboe-block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
        git fetch --no-tags axboe-block io_uring-handle
        git checkout 545e6e52fadd5e04524e00f23b59635496318716
        # save the config file
        make W=1 ARCH=um olddefconfig
        make W=1 ARCH=um