reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?id=8b0d733b6f3b938e1fef6b8abc3bc9dcefb73551 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-rsrc git checkout 8b0d733b6f3b938e1fef6b8abc3bc9dcefb73551 # 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 io_uring/