Commit 4aebd0e9 authored by Ladi Prosek's avatar Ladi Prosek Committed by Paolo Bonzini
Browse files

KVM: SVM: introduce disable_nmi_singlestep helper 



Just moving the code to a new helper in preparation for following
commits.

Signed-off-by: default avatarLadi Prosek <lprosek@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 525df861

arch/x86/kvm/svm.c

+9 −4
Original line number Diff line number Diff line
@@ -963,6 +963,14 @@ static void svm_disable_lbrv(struct vcpu_svm *svm) 
	set_msr_interception(msrpm, MSR_IA32_LASTINTTOIP, 0, 0);

}



static void disable_nmi_singlestep(struct vcpu_svm *svm)

{

	svm->nmi_singlestep = false;

	if (!(svm->vcpu.guest_debug & KVM_GUESTDBG_SINGLESTEP))

		svm->vmcb->save.rflags &=

			~(X86_EFLAGS_TF | X86_EFLAGS_RF);

}



/* Note:

 * This hash table is used to map VM_ID to a struct kvm_arch,

 * when handling AMD IOMMU GALOG notification to schedule in
@@ -2111,10 +2119,7 @@ static int db_interception(struct vcpu_svm *svm) 
	}



	if (svm->nmi_singlestep) {

		svm->nmi_singlestep = false;

		if (!(svm->vcpu.guest_debug & KVM_GUESTDBG_SINGLESTEP))

			svm->vmcb->save.rflags &=

				~(X86_EFLAGS_TF | X86_EFLAGS_RF);

		disable_nmi_singlestep(svm);

	}



	if (svm->vcpu.guest_debug &