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e77483055c
The kernel enforces that region granularity is >= to the top-level interleave-granularity for the given CXL window. However, when the CXL window interleave is x1, i.e. non-interleaved at the host bridge level, then the specified granularity does not matter. Override the window specified granularity to the CXL minimum so that any valid region granularity is >= to the root granularity. Reported-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Vishal Verma <vishal.l.verma@intel.com> Reviewed-by: Alison Schofield <alison.schofield@intel.com> Link: https://lore.kernel.org/r/165853776917.2430596.16823264262010844458.stgit@dwillia2-xfh.jf.intel.com [djbw: add CXL_DECODER_MIN_GRANULARITY per vishal] Signed-off-by: Dan Williams <dan.j.williams@intel.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.