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Pull io_uring updates from Jens Axboe: - Unify how task_work cancelations are detected, placing it in the task_work running state rather than needing to check the task state - Series cleaning up and moving the cancelation code to where it belongs, in cancel.c - Cleanup of waitid and futex argument handling - Add support for mixed sized SQEs. 6.18 added support for mixed sized CQEs, improving flexibility and efficiency of workloads that need big CQEs. This adds similar support for SQEs, where the occasional need for a 128b SQE doesn't necessitate having all SQEs be 128b in size - Introduce zcrx and SQ/CQ layout queries. The former returns what zcrx features are available. And both return the ring size information to help with allocation size calculation for user provided rings like IORING_SETUP_NO_MMAP and IORING_MEM_REGION_TYPE_USER - Zcrx updates for 6.19. It includes a bunch of small patches, IORING_REGISTER_ZCRX_CTRL and RQ flushing and David's work on sharing zcrx b/w multiple io_uring instances - Series cleaning up ring initializations, notable deduplicating ring size and offset calculations. It also moves most of the checking before doing any allocations, making the code simpler - Add support for getsockname and getpeername, which is mostly a trivial hookup after a bit of refactoring on the networking side - Various fixes and cleanups * tag 'for-6.19/io_uring-20251201' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (68 commits) io_uring: Introduce getsockname io_uring cmd socket: Split out a getsockname helper for io_uring socket: Unify getsockname and getpeername implementation io_uring/query: drop unused io_handle_query_entry() ctx arg io_uring/kbuf: remove obsolete buf_nr_pages and update comments io_uring/register: use correct location for io_rings_layout io_uring/zcrx: share an ifq between rings io_uring/zcrx: add io_fill_zcrx_offsets() io_uring/zcrx: export zcrx via a file io_uring/zcrx: move io_zcrx_scrub() and dependencies up io_uring/zcrx: count zcrx users io_uring/zcrx: add sync refill queue flushing io_uring/zcrx: introduce IORING_REGISTER_ZCRX_CTRL io_uring/zcrx: elide passing msg flags io_uring/zcrx: use folio_nr_pages() instead of shift operation io_uring/zcrx: convert to use netmem_desc io_uring/query: introduce rings info query io_uring/query: introduce zcrx query io_uring: move cq/sq user offset init around io_uring: pre-calculate scq layout ...