diff mbox series

[RFC,v7,15/78] KVM: x86: export .msr_write_intercepted()

Message ID 20200207181636.1065-16-alazar@bitdefender.com (mailing list archive)
State New, archived
Headers show
Series VM introspection | expand

Commit Message

Adalbert Lazăr Feb. 7, 2020, 6:15 p.m. UTC 
From: Nicușor Cîțu <ncitu@bitdefender.com>

This function will be used to test if a MSR access is already tracked.

Signed-off-by: Nicușor Cîțu <ncitu@bitdefender.com>
Signed-off-by: Adalbert Lazăr <alazar@bitdefender.com>
---
 arch/x86/include/asm/kvm_host.h | 1 +
 arch/x86/kvm/svm.c              | 1 +
 arch/x86/kvm/vmx/vmx.c          | 1 +
 3 files changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 4d43f5479c0c..8cdb6cece618 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1056,6 +1056,7 @@  struct kvm_x86_ops {
 	void (*update_bp_intercept)(struct kvm_vcpu *vcpu);
 	int (*get_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr);
 	int (*set_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr);
+	bool (*msr_write_intercepted)(struct kvm_vcpu *vcpu, u32 msr);
 	u64 (*get_segment_base)(struct kvm_vcpu *vcpu, int seg);
 	void (*get_segment)(struct kvm_vcpu *vcpu,
 			    struct kvm_segment *var, int seg);
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index bf1f2bca5357..e3369562d6fe 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -7353,6 +7353,7 @@  static struct kvm_x86_ops svm_x86_ops __ro_after_init = {
 	.get_msr_feature = svm_get_msr_feature,
 	.get_msr = svm_get_msr,
 	.set_msr = svm_set_msr,
+	.msr_write_intercepted = msr_write_intercepted,
 	.get_segment_base = svm_get_segment_base,
 	.get_segment = svm_get_segment,
 	.set_segment = svm_set_segment,
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 8709a26736d9..36dfb95ea578 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7828,6 +7828,7 @@  static struct kvm_x86_ops vmx_x86_ops __ro_after_init = {
 	.get_msr_feature = vmx_get_msr_feature,
 	.get_msr = vmx_get_msr,
 	.set_msr = vmx_set_msr,
+	.msr_write_intercepted = msr_write_intercepted,
 	.get_segment_base = vmx_get_segment_base,
 	.get_segment = vmx_get_segment,
 	.set_segment = vmx_set_segment,