Signed-off-by: Fengguang Wu <[email protected]>
---
arch/x86/kvm/Kconfig | 11 +++++++++++
arch/x86/kvm/Makefile | 4 ++++
2 files changed, 15 insertions(+)
--- linux.orig/arch/x86/kvm/Kconfig 2018-12-23 20:09:04.628882396 +0800
+++ linux/arch/x86/kvm/Kconfig 2018-12-23 20:09:04.628882396 +0800
@@ -96,6 +96,17 @@ config KVM_MMU_AUDIT
This option adds a R/W kVM module parameter 'mmu_audit', which allows
auditing of KVM MMU events at runtime.
+config KVM_EPT_IDLE
+ tristate "KVM EPT idle page tracking"
+ depends on KVM_INTEL
+ depends on PROC_PAGE_MONITOR
+ ---help---
+ Provides support for walking EPT to get the A bits on Intel
+ processors equipped with the VT extensions.
+
+ To compile this as a module, choose M here: the module
+ will be called kvm-ept-idle.
+
# OK, it's a little counter-intuitive to do this, but it puts it neatly under
# the virtualization menu.
source drivers/vhost/Kconfig
--- linux.orig/arch/x86/kvm/Makefile 2018-12-23 20:09:04.628882396 +0800
+++ linux/arch/x86/kvm/Makefile 2018-12-23 20:09:04.628882396 +0800
@@ -19,6 +19,10 @@ kvm-y += x86.o mmu.o emulate.o i8259.o
kvm-intel-y += vmx.o pmu_intel.o
kvm-amd-y += svm.o pmu_amd.o
+kvm-ept-idle-y += ept_idle.o
+
obj-$(CONFIG_KVM) += kvm.o
obj-$(CONFIG_KVM_INTEL) += kvm-intel.o
obj-$(CONFIG_KVM_AMD) += kvm-amd.o
+
+obj-$(CONFIG_KVM_EPT_IDLE) += kvm-ept-idle.o