[PATCH v2 1/6] KVM: x86: SVM: add module param to control LBR virtualization

From: Maxim Levitsky
Date: Mon Nov 01 2021 - 10:04:07 EST


This is useful for debug and also makes it consistent with
the rest of the SVM optional features.

Signed-off-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx>
---
arch/x86/kvm/svm/svm.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 21bb81710e0f6..2b5f8e10d686d 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -186,12 +186,13 @@ module_param(vls, int, 0444);
static int vgif = true;
module_param(vgif, int, 0444);

+static int tsc_scaling = true;
+module_param(tsc_scaling, int, 0444);
+
/* enable/disable LBR virtualization */
static int lbrv = true;
module_param(lbrv, int, 0444);

-static int tsc_scaling = true;
-module_param(tsc_scaling, int, 0444);

/*
* enable / disable AVIC. Because the defaults differ for APICv
--
2.26.3