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Linus Torvalds
b1011b2b45
Pull io_uring fixes from Jens Axboe: - Correctly cap iov_iter->nr_segs for imports of registered buffers, both kbuf and normal ones. Three cleanups to make it saner first, then two fixes for each of the buffer types. This fixes a performance regression where partial buffer usage doesn't trim the tail number of segments, leading the block layer to iterate the IOs to check if it needs splitting. - Two patches tweaking the newly introduced zero-copy rx API, mostly to keep the API consistent once we add multiple interface queues per ring support in the 6.16 release. - zc rx unmapping fix for a dead device * tag 'io_uring-6.15-20250418' of git://git.kernel.dk/linux: io_uring/zcrx: fix late dma unmap for a dead dev io_uring/rsrc: ensure segments counts are correct on kbuf buffers io_uring/rsrc: send exact nr_segs for fixed buffer io_uring/rsrc: refactor io_import_fixed io_uring/rsrc: separate kbuf offset adjustments io_uring/rsrc: don't skip offset calculation io_uring/zcrx: add pp to ifq conversion helper io_uring/zcrx: return ifq id to the user
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.