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747bf88c61
This patch checks if an MMU mapping is erroneous in that the physical address that is being mapped is NOT divisible by the page size. If that thing happens, then the H/W will issue a transaction which will be translated to a wrong address, because part of the address will not be taken (the remainder of address/page size). Because the physical address is being handled by the driver, a WARN is suitable here as it implies a bug in the driver code itself and not a user bug. Signed-off-by: Oded Gabbay <oded.gabbay@gmail.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.