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Intel Diamond Rapids CPUs include Integrated Memory and I/O Hubs (IMH). The memory controllers within the IMHs provide memory stacks to the processor. Create a new driver for this IMH-based memory controllers rather than applying additional patches to the existing i10nm_edac.c for the following reasons: 1) The memory controllers are not presented as PCI devices; instead, the detection and all their registers have been transitioned to MMIO-based memory spaces. 2) Validation processes are costly. Modifications to i10nm_edac would require extensive validation checks against multiple platforms, including Ice Lake, Sapphire Rapids, Emerald Rapids, Granite Rapids, Sierra Forest, and Grand Ridge. 3) Future Intel CPUs will likely only need patches on top of this new EDAC driver. Validation can be limited to Diamond Rapids servers and future Intel CPU generations. [Tony: Fix kerneldoc for struct local_reg] [randconfig: Added dependencies on NFIT and DMI] Tested-by: Yi Lai <yi1.lai@intel.com> Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com> Link: https://patch.msgid.link/20251119134132.2389472-5-qiuxu.zhuo@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 reStructuredText 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.