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e5d4e96b44
We currently have a build-time check to ensure that the minimum DMA allocation alignment satisfies the constraint that IPA filter and route tables must point to rules that are 128-byte aligned. But what's really important is that the actual allocated DMA memory has that alignment, even if the minimum is smaller than that. Remove the BUILD_BUG_ON() call checking against minimim DMA alignment and instead verify at rutime that the allocated memory is properly aligned. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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.