@@ -1674,7 +1674,7 @@ static void new_asid(struct vcpu_svm *svm, struct svm_cpu_data *sd)
static u64 svm_get_dr6(struct kvm_vcpu *vcpu)
{
- return to_svm(vcpu)->vmcb->save.dr6;
+ return vcpu->arch.dr6;
}
static void svm_set_dr6(struct kvm_vcpu *vcpu, unsigned long value)
@@ -1693,7 +1693,7 @@ static void svm_sync_dirty_debug_regs(struct kvm_vcpu *vcpu)
get_debugreg(vcpu->arch.db[1], 1);
get_debugreg(vcpu->arch.db[2], 2);
get_debugreg(vcpu->arch.db[3], 3);
- vcpu->arch.dr6 = svm_get_dr6(vcpu);
+ vcpu->arch.dr6 = svm->vmcb->save.dr6;
vcpu->arch.dr7 = svm->vmcb->save.dr7;
vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_WONT_EXIT;
@@ -1739,6 +1739,7 @@ static int db_interception(struct vcpu_svm *svm)
if (!(svm->vcpu.guest_debug &
(KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)) &&
!svm->nmi_singlestep) {
+ vcpu->arch.dr6 = svm->vmcb->save.dr6;
kvm_queue_exception(&svm->vcpu, DB_VECTOR);
return 1;
}
Ensure that the current value of DR6 is always available in vcpu->arch.dr6, so that the get_dr6 callback can just access vcpu->arch.dr6 and becomes redundant. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- arch/x86/kvm/svm/svm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)