Re: [PATCH v3 1/7] KVM: x86: nSVM: correctly virtualize LBR msrs when L2 is running

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On 3/1/22 15:36, Maxim Levitsky wrote:
+void svm_copy_lbrs(struct vmcb *from_vmcb, struct vmcb *to_vmcb)
+{
+	to_vmcb->save.dbgctl		= from_vmcb->save.dbgctl;
+	to_vmcb->save.br_from		= from_vmcb->save.br_from;
+	to_vmcb->save.br_to		= from_vmcb->save.br_to;
+	to_vmcb->save.last_excp_from	= from_vmcb->save.last_excp_from;
+	to_vmcb->save.last_excp_to	= from_vmcb->save.last_excp_to;
+
+	vmcb_mark_dirty(to_vmcb, VMCB_LBR);
+}
+

I think "struct vmcb *to_vmcb, struct vmcb *from_vmcb" is more common (e.g. svm_copy_vmrun_state, svm_copy_vmloadsave_state).

Paolo



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