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141cb5c482
The default input measurement to the mba_sc feedback loop for memory bandwidth control when the user mounts with the "mba_MBps" option is the local bandwidth event. But some systems may not support a local bandwidth event. When local bandwidth event is not supported, check for support of total bandwidth and use that instead. Relax the mount option check to allow use of the "mba_MBps" option for systems when only total bandwidth monitoring is supported. Also update the error message. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com> Tested-by: Babu Moger <babu.moger@amd.com> Link: https://lore.kernel.org/r/20241206163148.83828-6-tony.luck@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.