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Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 0ee828f60d05..f0fa610bed91 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1072,7 +1072,7 @@ static void kvm_update_dr0123(struct kvm_vcpu *vcpu)
}
}
-static void kvm_update_dr7(struct kvm_vcpu *vcpu)
+void kvm_update_dr7(struct kvm_vcpu *vcpu)
{
unsigned long dr7;
@@ -1085,6 +1085,7 @@ static void kvm_update_dr7(struct kvm_vcpu *vcpu)
if (dr7 & DR7_BP_EN_MASK)
vcpu->arch.switch_db_regs |= KVM_DEBUGREG_BP_ENABLED;
}
+EXPORT_SYMBOL_GPL(kvm_update_dr7);
static u64 kvm_dr6_fixed(struct kvm_vcpu *vcpu)
{
@@ -7778,16 +7779,6 @@ static void inject_pending_event(struct kvm_vcpu *vcpu, bool *req_immediate_exit
X86_EFLAGS_RF);
if (vcpu->arch.exception.nr == DB_VECTOR) {
- /*
- * This code assumes that nSVM doesn't use
- * check_nested_events(). If it does, the
- * DR6/DR7 changes should happen before L1
- * gets a #VMEXIT for an intercepted #DB in
- * L2. (Under VMX, on the other hand, the
- * DR6/DR7 changes should not happen in the
- * event of a VM-exit to L1 for an intercepted
- * #DB in L2.)
- */
kvm_deliver_exception_payload(vcpu);
if (vcpu->arch.dr7 & DR7_GD) {
vcpu->arch.dr7 &= ~DR7_GD;