[PATCH v2 03/32] x86/intel,cqm: add CONFIG_INTEL_RDT configuration flag

David Carrillo-Cisneros
2016-05-11T23:10:49Z

Add Intel's PQR as its own build target with no build dependency
on CQM. Add CONFIG_INTEL_RDT as a configuration flag that builds PQR
and related drivers (currently CQM, future: MBM, CAT, CDP).

Reviewed-by: Stephane Eranian <eranian@google.com>
Signed-off-by: David Carrillo-Cisneros <davidcc@google.com>
---
arch/x86/Kconfig | 7 +++++++
arch/x86/events/intel/Makefile | 3 ++-
arch/x86/kernel/cpu/Makefile | 4 ++++
3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a494fa3..52a7edc 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -160,6 +160,13 @@ config X86
select ARCH_USES_HIGH_VMA_FLAGS if X86_INTEL_MEMORY_PROTECTION_KEYS
select ARCH_HAS_PKEYS if X86_INTEL_MEMORY_PROTECTION_KEYS

+config INTEL_RDT
+ def_bool y
+ depends on PERF_EVENTS && CPU_SUP_INTEL
+ ---help---
+ Enable Resource Director Technology (RDT) for Intel Xeon Microprocessors.
+ RDT includes Cache Monitoring Technology (CMT aka CQM).
+
config INSTRUCTION_DECODER
def_bool y
depends on KPROBES || PERF_EVENTS || UPROBES
diff --git a/arch/x86/events/intel/Makefile b/arch/x86/events/intel/Makefile
index 3660b2c..7e610bf 100644
--- a/arch/x86/events/intel/Makefile
+++ b/arch/x86/events/intel/Makefile
@@ -1,4 +1,4 @@
-obj-$(CONFIG_CPU_SUP_INTEL) += core.o bts.o cqm.o
+obj-$(CONFIG_CPU_SUP_INTEL) += core.o bts.o
obj-$(CONFIG_CPU_SUP_INTEL) += ds.o knc.o
obj-$(CONFIG_CPU_SUP_INTEL) += lbr.o p4.o p6.o pt.o
obj-$(CONFIG_PERF_EVENTS_INTEL_RAPL) += intel-rapl.o
@@ -7,3 +7,4 @@ obj-$(CONFIG_PERF_EVENTS_INTEL_UNCORE) += intel-uncore.o
intel-uncore-objs := uncore.o uncore_nhmex.o uncore_snb.o uncore_snbep.o
obj-$(CONFIG_PERF_EVENTS_INTEL_CSTATE) += intel-cstate.o
intel-cstate-objs := cstate.o
+obj-$(CONFIG_INTEL_RDT) += cqm.o
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index 4a8697f..87e6279 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -34,6 +34,10 @@ obj-$(CONFIG_CPU_SUP_CENTAUR) += centaur.o
obj-$(CONFIG_CPU_SUP_TRANSMETA_32) += transmeta.o
obj-$(CONFIG_CPU_SUP_UMC_32) += umc.o

+ifdef CONFIG_CPU_SUP_INTEL
+obj-$(CONFIG_INTEL_RDT) += pqr_common.o
+endif
+
obj-$(CONFIG_X86_MCE) += mcheck/
obj-$(CONFIG_MTRR) += mtrr/
obj-$(CONFIG_MICROCODE) += microcode/
--
2.8.0.rc3.226.g39d4020