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Logan Gunthorpe
5d52e1abcd
Any requests that traverse the host bridge will need to be mapped into the IOMMU, so call dma_map_sg() inside pci_p2pdma_map_sg() when appropriate. Similarly, call dma_unmap_sg() inside pci_p2pdma_unmap_sg(). Link: https://lore.kernel.org/r/[email protected] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Logan Gunthorpe <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]>
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.