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e2addba493
iommu-dma does not explicitly reference min_align_mask since we already assume that will be less than or equal to any typical IOVA granule. We wouldn't realistically expect to see the case where it is larger, and that would be non-trivial to support, however for the sake of reasoning (particularly around the interaction with SWIOTLB), let's clearly enforce the assumption. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Reviewed-by: Michael Kelley <mhklinux@outlook.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/dbb4d2d8e5d1691ac9a6c67e9758904e6c447ba5.1709553942.git.robin.murphy@arm.com Signed-off-by: Joerg Roedel <jroedel@suse.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.