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251c4db699
Implement the io_pgtable_ops->unmap_pages() callback for AMD driver and deprecate io_pgtable_ops->unmap callback. Also if fetch_pte() returns NULL then return from unmap_mapages() instead of trying to continue to unmap remaining pages. Suggested-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Vasant Hegde <vasant.hegde@amd.com> Link: https://lore.kernel.org/r/20220825063939.8360-3-vasant.hegde@amd.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.