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What ipa_table_valid() (and ipa_table_valid_one(), which it calls) does is ensure that the memory regions that hold routing and filter tables have reasonable size. Specifically, it checks that the size of a region is sufficient (or rather, exactly the right size) to hold the maximum number of entries supported by the driver. (There is an additional check that's erroneous, but in practice it is never reached.) Recently ipa_table_mem_valid() was added, which is called by ipa_table_init(). That function verifies that all table memory regions are of sufficient size, and requires hashed tables to have zero size if hashing is not supported. It only ensures the filter table is large enough to hold the number of endpoints that support filtering, but that is adequate. Therefore everything that ipa_table_valid() does is redundant, so get rid of it. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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.