x86/intel_rdt/mba: Add primary support for Memory Bandwidth Allocation (MBA)

Browse source

The MBA feature details like minimum bandwidth supported, bandwidth
granularity etc are obtained via executing CPUID with EAX=10H ,ECX=3.

Setup and initialize the MBA specific extensions to data structures like
global list of RDT resources, RDT resource structure and RDT domain
structure.

[ tglx: Split out the seperate structure and the CBM related parts ]

Signed-off-by: Vikas Shivappa <vikas.shivappa@linux.intel.com>
Cc: ravi.v.shankar@intel.com
Cc: tony.luck@intel.com
Cc: fenghua.yu@intel.com
Cc: vikas.shivappa@intel.com
Link: http://lkml.kernel.org/r/1491611637-20417-5-git-send-email-vikas.shivappa@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

...

This commit is contained in:

Vikas Shivappa 2017-04-07 17:33:53 -07:00 • committed by Thomas Gleixner

parent ab66a33b03

commit 05b93417ce

2 changed files with 110 additions and 3 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

24

arch/x86/include/asm/intel_rdt.h

View file

89

arch/x86/kernel/cpu/intel_rdt.c

View file