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x86/intel_rdt: Introduce a common compile option for RDT

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We currently have a CONFIG_RDT_A which is for RDT(Resource directory
technology) allocation based resctrl filesystem interface. As a
preparation to add support for RDT monitoring as well into the same
resctrl filesystem, change the config option to be CONFIG_RDT which
would include both RDT allocation and monitoring code.

No functional change.

Signed-off-by: Vikas Shivappa <vikas.shivappa@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: ravi.v.shankar@intel.com
Cc: tony.luck@intel.com
Cc: fenghua.yu@intel.com
Cc: peterz@infradead.org
Cc: eranian@google.com
Cc: vikas.shivappa@intel.com
Cc: ak@linux.intel.com
Cc: davidcc@google.com
Cc: reinette.chatre@intel.com
Link: http://lkml.kernel.org/r/1501017287-28083-4-git-send-email-vikas.shivappa@linux.intel.com
This commit is contained in:
Vikas Shivappa 2017-07-25 14:14:22 -07:00 committed by Thomas Gleixner
parent 1640ae9471
commit f01d7d51f5
4 changed files with 10 additions and 10 deletions
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12
arch/x86/Kconfig
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@ -424,16 +424,16 @@ config GOLDFISH
def_bool y
depends on X86_GOLDFISH
config INTEL_RDT_A
bool "Intel Resource Director Technology Allocation support"
config INTEL_RDT
bool "Intel Resource Director Technology support"
default n
depends on X86 && CPU_SUP_INTEL
select KERNFS
help
Select to enable resource allocation which is a sub-feature of
Intel Resource Director Technology(RDT). More information about
RDT can be found in the Intel x86 Architecture Software
Developer Manual.
Select to enable resource allocation and monitoring which are
sub-features of Intel Resource Director Technology(RDT). More
information about RDT can be found in the Intel x86
Architecture Software Developer Manual.
Say N if unsure.

4
arch/x86/include/asm/intel_rdt.h
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@ -1,7 +1,7 @@
#ifndef _ASM_X86_INTEL_RDT_H
#define _ASM_X86_INTEL_RDT_H
#ifdef CONFIG_INTEL_RDT_A
#ifdef CONFIG_INTEL_RDT
#include <linux/sched.h>
#include <linux/kernfs.h>
@ -282,5 +282,5 @@ static inline void intel_rdt_sched_in(void)
static inline void intel_rdt_sched_in(void) {}
#endif /* CONFIG_INTEL_RDT_A */
#endif /* CONFIG_INTEL_RDT */
#endif /* _ASM_X86_INTEL_RDT_H */

2
arch/x86/kernel/cpu/Makefile
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@ -33,7 +33,7 @@ obj-$(CONFIG_CPU_SUP_CENTAUR) += centaur.o
obj-$(CONFIG_CPU_SUP_TRANSMETA_32) += transmeta.o
obj-$(CONFIG_CPU_SUP_UMC_32) += umc.o
obj-$(CONFIG_INTEL_RDT_A) += intel_rdt.o intel_rdt_rdtgroup.o intel_rdt_schemata.o
obj-$(CONFIG_INTEL_RDT) += intel_rdt.o intel_rdt_rdtgroup.o intel_rdt_schemata.o
obj-$(CONFIG_X86_MCE) += mcheck/
obj-$(CONFIG_MTRR) += mtrr/

2
include/linux/sched.h
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@ -898,7 +898,7 @@ struct task_struct {
/* cg_list protected by css_set_lock and tsk->alloc_lock: */
struct list_head cg_list;
#endif
#ifdef CONFIG_INTEL_RDT_A
#ifdef CONFIG_INTEL_RDT
int closid;
#endif
#ifdef CONFIG_FUTEX