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To date the per-device-partition DPA range information has only been used for enumeration purposes. In preparation for allocating regions from available DPA capacity, convert those ranges into DPA-type resource trees. With resources and the new add_dpa_res() helper some open coded end address calculations and debug prints can be cleaned. The 'cxlds->pmem_res' and 'cxlds->ram_res' resources are child resources of the total-device DPA space and they in turn will host DPA allocations from cxl_endpoint_decoder instances (tracked by cxled->dpa_res). Cc: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/165603878921.551046.8127845916514734142.stgit@dwillia2-xfh 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.