Il 26/04/2013 08:43, Jun Nakajima ha scritto: > diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h > index e13b6c5..bd370e7 100644 > --- a/arch/x86/kvm/paging_tmpl.h > +++ b/arch/x86/kvm/paging_tmpl.h > @@ -349,7 +349,12 @@ error: > > walker->fault.vector = PF_VECTOR; > walker->fault.error_code_valid = true; > +#if PTTYPE != PTTYPE_EPT > walker->fault.error_code = errcode; > +#else > + /* Reuse bits [2:0] of EPT violation */ > + walker->fault.error_code = vcpu->arch.exit_qualification & 0x7; > +#endif > walker->fault.address = addr; > walker->fault.nested_page_fault = mmu != vcpu->arch.walk_mmu; > I'm not sure that this is a step in the right direction. errcode is dropped completely, but it would be needed to rebuild bits 3:5 of the exit qualification. Perhaps it is better to access vcpu->arch.exit_qualification in nested_ept_inject_page_fault, and mix it with the error code from walker->fault to compute bits 3:5? Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html