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Groups > linux.kernel > #1555179

[PATCH v3 9/9] arm64: KVM: Enable support for the host pmu

From Punit Agrawal <punit.agrawal@arm.com>
Newsgroups linux.kernel
Subject [PATCH v3 9/9] arm64: KVM: Enable support for the host pmu
Date 2017-01-10 12:50 +0100
Message-ID <sY36a-N3-21@gated-at.bofh.it> (permalink)
References <sY2Wu-JF-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Add the Kconfig option and Makefile update the enable the recently added
host pmu.

Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Cc: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
---
 arch/arm64/kvm/Kconfig  | 4 ++++
 arch/arm64/kvm/Makefile | 1 +
 2 files changed, 5 insertions(+)

diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
index 52cb7ad9b2fd..c147a3077dab 100644
--- a/arch/arm64/kvm/Kconfig
+++ b/arch/arm64/kvm/Kconfig
@@ -16,6 +16,9 @@ menuconfig VIRTUALIZATION
 
 if VIRTUALIZATION
 
+config KVM_HOST_PMU
+        bool
+
 config KVM
 	bool "Kernel-based Virtual Machine (KVM) support"
 	depends on OF
@@ -31,6 +34,7 @@ config KVM
 	select KVM_VFIO
 	select HAVE_KVM_EVENTFD
 	select HAVE_KVM_IRQFD
+	select KVM_HOST_PMU if PERF_EVENTS
 	select KVM_ARM_PMU if HW_PERF_EVENTS
 	select HAVE_KVM_MSI
 	select HAVE_KVM_IRQCHIP
diff --git a/arch/arm64/kvm/Makefile b/arch/arm64/kvm/Makefile
index d50a82a16ff6..3bdac93784e2 100644
--- a/arch/arm64/kvm/Makefile
+++ b/arch/arm64/kvm/Makefile
@@ -34,3 +34,4 @@ kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-its.o
 kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/irqchip.o
 kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/arch_timer.o
 kvm-$(CONFIG_KVM_ARM_PMU) += $(KVM)/arm/pmu.o
+kvm-$(CONFIG_KVM_HOST_PMU) += $(KVM)/arm/host_pmu.o
-- 
2.11.0

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Thread

[PATCH v3 0/9] Add support for monitoring guest TLB operations Punit Agrawal <punit.agrawal@arm.com> - 2017-01-10 12:40 +0100
  [PATCH v3 3/9] KVM: Add event to trace tlb invalidations Punit Agrawal <punit.agrawal@arm.com> - 2017-01-10 12:50 +0100
  [PATCH v3 7/9] kvm: host_pmu: Add support for tracking guest TLB operations Punit Agrawal <punit.agrawal@arm.com> - 2017-01-10 12:50 +0100
  [PATCH v3 9/9] arm64: KVM: Enable support for the host pmu Punit Agrawal <punit.agrawal@arm.com> - 2017-01-10 12:50 +0100
  [PATCH v3 2/9] KVM: Track the pid of the VM process Punit Agrawal <punit.agrawal@arm.com> - 2017-01-10 12:50 +0100
  [PATCH v3 5/9] arm64: KVM: Handle trappable TLB instructions Punit Agrawal <punit.agrawal@arm.com> - 2017-01-10 12:50 +0100
  [PATCH v3 4/9] arm: KVM: Handle trappable TLB instructions Punit Agrawal <punit.agrawal@arm.com> - 2017-01-10 12:50 +0100
  [PATCH v3 8/9] arm: KVM: Enable support for host pmu Punit Agrawal <punit.agrawal@arm.com> - 2017-01-10 12:50 +0100
  [PATCH v3 6/9] kvm: arm/arm64: Add host pmu to support VM introspection Punit Agrawal <punit.agrawal@arm.com> - 2017-01-10 12:50 +0100

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