tree: https://github.com/omap-audio/linux-audio peter/linux-next-wip head: d08c31cfb65e8197b0ab607484d26fc48366dcee commit: 593365467b869247ed6ee30c1ba92b553b4d5a3c [5558/6167] io_uring: use slist for completion batching config: m68k-buildonly-randconfig-r003-20211002 (attached as .config) compiler: m68k-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/omap-audio/linux-audio/commit/593365467b869247ed6ee30c... git remote add omap-audio https://github.com/omap-audio/linux-audio git fetch --no-tags omap-audio peter/linux-next-wip git checkout 593365467b869247ed6ee30c1ba92b553b4d5a3c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): fs/io_uring.c: In function 'io_queue_async_work': fs/io_uring.c:1456:61: error: parameter 'locked' set but not used [-Werror=unused-but-set-parameter] 1456 | static void io_queue_async_work(struct io_kiocb *req, bool *locked) | ~~~~~~^~~~~~ fs/io_uring.c: In function '__io_submit_flush_completions': 2335 | struct io_wq_work_node *node, *prev; | ^~~~ cc1: all warnings being treated as errors vim +/prev +2335 fs/io_uring.c 2331 2332 static void __io_submit_flush_completions(struct io_ring_ctx *ctx) 2333 __must_hold(&ctx->uring_lock) 2334 { 2336 struct io_submit_state *state = &ctx->submit_state; 2337 struct req_batch rb; 2338 2339 spin_lock(&ctx->completion_lock); 2340 wq_list_for_each(node, prev, &state->compl_reqs) { 2341 struct io_kiocb *req = container_of(node, struct io_kiocb, 2342 comp_list); 2343 2344 __io_cqring_fill_event(ctx, req->user_data, req->result, 2345 req->compl.cflags); 2346 } 2347 io_commit_cqring(ctx); 2348 spin_unlock(&ctx->completion_lock); 2349 io_cqring_ev_posted(ctx); 2350 2351 io_init_req_batch(&rb); 2352 node = state->compl_reqs.first; 2353 do { 2354 struct io_kiocb *req = container_of(node, struct io_kiocb, 2355 comp_list); 2356 2357 node = req->comp_list.next; 2358 if (req_ref_put_and_test(req)) 2359 io_req_free_batch(&rb, req, &ctx->submit_state); 2360 } while (node); 2361 2362 io_req_free_batch_finish(ctx, &rb); 2363 INIT_WQ_LIST(&state->compl_reqs); 2364 } 2365 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org