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-----BEGIN PGP SIGNATURE----- iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAmmGJxsQHGF4Ym9lQGtl cm5lbC5kawAKCRD301j7KXHgpk6+EACamMdw6WU4VVNjUtjT93FuXxor4ioyhowJ myRtKG3ZvYrE63Z8F1dCQE28RXi9n6MhGxabCq8WZVGkhTv27DuaBkDjU4T8oCnP EYhs5a3sdRXfKuIlqVbxuiFdmiPHEP0vh3/MviKx9Ju3/Po3OEWKBalNMevfGkS4 bRNp9IQkAYNSRhGma2ni9Rnc5welWmhpsxUKFdGtPRX53ZlYegiZxKlfKMB4/SQ+ 7XAWKhy9dOGVo4DpLof7mCX6hMeX+FoNkJzF6cTMO/IF//lCLjI9BN4SMiI6mmEN RY6PLJiFraoQx8wdr3J1LtBCNXzzj6cPk6PNHKtsodoafe2oYFNLNgfAa9pHDzfM 12kvy58au0cQG6TnS2eNlqM2GN116mJi+k00E+UW4iaXXtpqcdcBrLlS+Q5hJ78C 9MBLQofv7D06C6kbpxV2pVS1u4oxefjl19wWLqLKx/VytCHrsaTm50n1r0k7YLCc plvPkQRQobqpp2GtcaXcfmsi1Vfu4jzMBAN+rTN4/te0kudNqL9+hPvrejIMEURc 2AcktMAHC8wjpr93dFASXiWh/fdyhV4e2a/D/ML4PXxhnCfnGx5s5Tp/pGjePHEU dLZm9vadmr/Yrdgycf9gQ8mz9IxI9FNJCKbI7lf7+/KJXe7DwngOa6VHNblWBRHv YoX6bG1yQQ== =Q248 -----END PGP SIGNATURE----- Merge tag 'for-7.0/io_uring-20260206' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux Pull io_uring updates from Jens Axboe: - Clean up the IORING_SETUP_R_DISABLED and submitter task checking, mostly just in preparation for relaxing the locking for SINGLE_ISSUER in the future. - Improve IOPOLL by using a doubly linked list to manage completions. Previously it was singly listed, which meant that to complete request N in the chain 0..N-1 had to have completed first. With a doubly linked list we can complete whatever request completes in that order, rather than need to wait for a consecutive range to be available. This reduces latencies. - Improve the restriction setup and checking. Mostly in preparation for adding further features on top of that. Coming in a separate pull request. - Split out task_work and wait handling into separate files. These are mostly nicely abstracted already, but still remained in the io_uring.c file which is on the larger side. - Use GFP_KERNEL_ACCOUNT in a few more spots, where appropriate. - Ensure even the idle io-wq worker exits if a task no longer has any rings open. - Add support for a non-circular submission queue. By default, the SQ ring keeps moving around, even if only a few entries are used for each submission. This can be wasteful in terms of cachelines. If IORING_SETUP_SQ_REWIND is set for the ring when created, each submission will start at offset 0 instead of where we last left off doing submissions. - Various little cleanups * tag 'for-7.0/io_uring-20260206' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (30 commits) io_uring/kbuf: fix memory leak if io_buffer_add_list fails io_uring: Add SPDX id lines to remaining source files io_uring: allow io-wq workers to exit when unused io_uring/io-wq: add exit-on-idle state io_uring/net: don't continue send bundle if poll was required for retry io_uring/rsrc: use GFP_KERNEL_ACCOUNT consistently io_uring/futex: use GFP_KERNEL_ACCOUNT for futex data allocation io_uring/io-wq: handle !sysctl_hung_task_timeout_secs io_uring: fix bad indentation for setup flags if statement io_uring/rsrc: take unsigned index in io_rsrc_node_lookup() io_uring: introduce non-circular SQ io_uring: split out CQ waiting code into wait.c io_uring: split out task work code into tw.c io_uring/io-wq: don't trigger hung task for syzbot craziness io_uring: add IO_URING_EXIT_WAIT_MAX definition io_uring/sync: validate passed in offset io_uring/eventfd: remove unused ctx->evfd_last_cq_tail member io_uring/timeout: annotate data race in io_flush_timeouts() io_uring/uring_cmd: explicitly disallow cancelations for IOPOLL io_uring: fix IOPOLL with passthrough I/O ...
660 lines
16 KiB
660 lines
16 KiB