KVM: SVM: Add tracepoint for cr_interception (95b28ac9) · Commits · 戴 / test

Add trace_kvm_cr_write and trace_kvm_cr_read for svm. Signed-off-by:

Haiwei Li <lihaiwei@tencent.com> Message-Id: <f3031602-db3b-c4fe-b719-d402663b0a2b@gmail.com> Signed-off-by:

arch/x86/kvm/svm/svm.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2277,6 +2277,7 @@ static int cr_interception(struct vcpu_svm *svm)
		if (cr >= 16) { /* mov to cr */
		cr -= 16;
		val = kvm_register_read(&svm->vcpu, reg);
		trace_kvm_cr_write(cr, val);
		switch (cr) {
		case 0:
		if (!check_selective_cr0_intercepted(svm, val))
		@@ -2322,6 +2323,7 @@ static int cr_interception(struct vcpu_svm *svm)
		return 1;
		}
		kvm_register_write(&svm->vcpu, reg, val);
		trace_kvm_cr_read(cr, val);
		}
		return kvm_complete_insn_gp(&svm->vcpu, err);
		}