x86/intel_rdt: Pick up L3/L2 RDT parameters from CPUID
authorFenghua Yu <fenghua.yu@intel.com>
Sat, 22 Oct 2016 13:19:55 +0000 (06:19 -0700)
committerThomas Gleixner <tglx@linutronix.de>
Wed, 26 Oct 2016 21:12:39 +0000 (23:12 +0200)
commitc1c7c3f9d6bb6999a45f66ea4c6bfbcab87ff34b
treea7203eb53c01ae0aef7445edced20a8b78a57cbc
parent113c60970cf41723891e3a1b303517eaf8510bb5
x86/intel_rdt: Pick up L3/L2 RDT parameters from CPUID

Define struct rdt_resource to hold all the parameterized values for an RDT
resource and fill in the CPUID enumerated values from leaf 0x10 if
available. Hard code them for the MSR detected Haswells.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Cc: "Ravi V Shankar" <ravi.v.shankar@intel.com>
Cc: "Tony Luck" <tony.luck@intel.com>
Cc: "David Carrillo-Cisneros" <davidcc@google.com>
Cc: "Sai Prakhya" <sai.praneeth.prakhya@intel.com>
Cc: "Peter Zijlstra" <peterz@infradead.org>
Cc: "Stephane Eranian" <eranian@google.com>
Cc: "Dave Hansen" <dave.hansen@intel.com>
Cc: "Shaohua Li" <shli@fb.com>
Cc: "Nilay Vaish" <nilayvaish@gmail.com>
Cc: "Vikas Shivappa" <vikas.shivappa@linux.intel.com>
Cc: "Ingo Molnar" <mingo@elte.hu>
Cc: "Borislav Petkov" <bp@suse.de>
Cc: "H. Peter Anvin" <h.peter.anvin@intel.com>
Link: http://lkml.kernel.org/r/1477142405-32078-9-git-send-email-fenghua.yu@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/include/asm/intel_rdt.h
arch/x86/kernel/cpu/intel_rdt.c