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The HMAT messages printed at boot, beyond being noisy, can also print details for nodes that are not yet enabled. The primary method to consume HMAT details is via sysfs, and the sysfs interface gates what is emitted by whether the node is online or not. Hide the messages by default by moving them from "info" to "debug" log level. Otherwise, these prints are just a pretty-print way to dump the ACPI HMAT table. It has always been the case that post-analysis was required for these messages to map proximity-domains to Linux NUMA nodes, and as Priya points out that analysis also needs to consider whether the proximity domain is marked "enabled" in the SRAT. Reported-by: Priya Autee <priya.v.autee@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://patch.msgid.link/170668982094.318782.2963631284830500182.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dave Jiang <dave.jiang@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.