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c0a4191c27
SWIOTLB's includes have become a great big mess. Restore some order by consolidating the random different blocks, sorting alphabetically, and purging some clearly unnecessary entries - linux/io.h is now included unconditionally, so need not be duplicated in the restricted DMA pool case; similarly, linux/io.h subsumes asm/io.h; and by now it's a mystery why asm/dma.h was ever here at all. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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 Restructured Text 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.