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Configure mbm_event mode on AMD platforms. On AMD platforms, it is recommended to use the mbm_event mode, if supported, to prevent the hardware from resetting counters between reads. This can result in misleading values or display "Unavailable" if no counter is assigned to the event. Enable mbm_event mode, known as ABMC (Assignable Bandwidth Monitoring Counters) on AMD, by default if the system supports it. Update ABMC across all logical processors within the resctrl domain to ensure proper functionality. Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com> Link: https://lore.kernel.org/cover.1757108044.git.babu.moger@amd.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.