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The driver is designed to support error detection and reporting for Cortex A72 cores, specifically within their L1 and L2 cache systems. The errors are detected by reading CPU/L2 memory error syndrome registers. Unfortunately there is no robust way to inject errors into the caches, so this driver doesn't contain any code to actually test it. It has been tested though with code taken from an older version [1] of this driver. For reasons stated in thread [1], the error injection code is not suitable for mainline, so it is removed from the driver. [1] https://lore.kernel.org/all/1521073067-24348-1-git-send-email-york.sun@nxp.com/#t [ bp: minor touchups. ] Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Co-developed-by: Vijay Balakrishna <vijayb@linux.microsoft.com> Signed-off-by: Vijay Balakrishna <vijayb@linux.microsoft.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/1752714390-27389-2-git-send-email-vijayb@linux.microsoft.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.