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Alice Ryhl <aliceryhl@google.com> says: This series adds support for the `struct iov_iter` type. This type represents an IO buffer for reading or writing, and can be configured for either direction of communication. In Rust, we define separate types for reading and writing. This will ensure that you cannot mix them up and e.g. call copy_from_iter in a read_iter syscall. To use the new abstractions, miscdevices are given new methods read_iter and write_iter that can be used to implement the read/write syscalls on a miscdevice. The miscdevice sample is updated to provide read/write operations. Intended for Greg's miscdevice tree. Link: https://lore.kernel.org/r/20250822-iov-iter-v5-0-6ce4819c2977@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.