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value among RDT resources. This patch identifies the least common supported clos value from multiple RDT resource. This is done so as to have consistent capabilities across all resource allocations. From SDM, "The number of CLOS supported for the MBA feature may or may not align with other resources such as L3 CAT. In cases where the RDT features support different numbers of CLOS the lowest numerical CLOS support the common set of features, while higher CLOS may support a subset. For instance, if L3 CAT supports 8 CLOS while MBA supports 4 CLOS, all 8 CLOS would have L3 CAT masks available for cache control, but the upper 4 CLOS would not offer MBA support. In this case the upper 4 CLOS would not be subject to any throttling control. Software can manage supported resources / CLOS in order to either have 1) consistent capabilities across CLOS by using the common subset or 2) enable more flexibility by selectively applying resource control where needed based on careful CLOS and thread mapping". We decided to go with option #1, as it will be more consistent and less prone to user errorw hen programming the resource mask MSRs. Tracked-On: #3715 Signed-off-by: Vijay Dhanraj <vijay.dhanraj@intel.com> Acked-by: Victor Sun <victor.sun@intel.com>
ACRN tools ########## The open source `Project ACRN`_ defines a device hypervisor reference stack and an architecture for running multiple software subsystems, managed securely, on a consolidated system by means of a virtual machine manager. It also defines a reference framework implementation for virtual device emulation, called the "ACRN Device Model". This folder holds the source to a number of tools that facilitate the management, debugging, profiling, and logging of multi-OS systems based on ACRN. You can find out more about Project ACRN and its set of tools on the `Project ACRN documentation`_ website. .. _`Project ACRN`: https://projectacrn.org .. _`Project ACRN documentation`: https://projectacrn.github.io/