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Merge branch 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86 cache control updates from Borislav Petkov:

 - The generalization of the RDT code to accommodate the addition of
   AMD's very similar implementation of the cache monitoring feature.

   This entails a subsystem move into a separate and generic
   arch/x86/kernel/cpu/resctrl/ directory along with adding
   vendor-specific initialization and feature detection helpers.

   Ontop of that is the unification of user-visible strings, both in the
   resctrl filesystem error handling and Kconfig.

   Provided by Babu Moger and Sherry Hurwitz.

 - Code simplifications and error handling improvements by Reinette
   Chatre.

* 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/resctrl: Fix rdt_find_domain() return value and checks
  x86/resctrl: Remove unnecessary check for cbm_validate()
  x86/resctrl: Use rdt_last_cmd_puts() where possible
  MAINTAINERS: Update resctrl filename patterns
  Documentation: Rename and update intel_rdt_ui.txt to resctrl_ui.txt
  x86/resctrl: Introduce AMD QOS feature
  x86/resctrl: Fixup the user-visible strings
  x86/resctrl: Add AMD's X86_FEATURE_MBA to the scattered CPUID features
  x86/resctrl: Rename the config option INTEL_RDT to RESCTRL
  x86/resctrl: Add vendor check for the MBA software controller
  x86/resctrl: Bring cbm_validate() into the resource structure
  x86/resctrl: Initialize the vendor-specific resource functions
  x86/resctrl: Move all the macros to resctrl/internal.h
  x86/resctrl: Re-arrange the RDT init code
  x86/resctrl: Rename the RDT functions and definitions
  x86/resctrl: Rename and move rdt files to a separate directory
This commit is contained in:
Linus Torvalds
2018-12-26 12:17:43 -08:00
parent 42b00f122c 52eb74339a
commit a52fb43a5f
17 changed files with 385 additions and 173 deletions
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MAINTAINERS
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@@ -12717,9 +12717,9 @@ M: Fenghua Yu <fenghua.yu@intel.com>
M: Reinette Chatre <reinette.chatre@intel.com>
L: linux-kernel@vger.kernel.org
S: Supported
F: arch/x86/kernel/cpu/intel_rdt*
F: arch/x86/include/asm/intel_rdt_sched.h
F: Documentation/x86/intel_rdt*
F: arch/x86/kernel/cpu/resctrl/
F: arch/x86/include/asm/resctrl_sched.h
F: Documentation/x86/resctrl*
READ-COPY UPDATE (RCU)
M: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>