On 2013-02-25 15:04, bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=54471 > > Summary: nVMX: TRUE* MSRs unnecessary > Product: Virtualization > Version: unspecified > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: enhancement > Priority: P1 > Component: kvm > AssignedTo: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx > ReportedBy: nyh@xxxxxxxxxxxxxxxxxxx > Regression: No > > > According to the spec, the TRUE* MSRs are only necessary if bit 55 of VMX_BASIC > is on. Since we don't set this bit, we don't need to provide these MSRs... > So probably we shouldn't. I tend to say we should (i.e. set bit 55) as there is the risk that buggy guests could needlessly get confused when we expose very recent features (like EPT) and do not provide such "old-fashioned" stuff. Jan -- Siemens AG, Corporate Technology, CT RTC ITP SDP-DE Corporate Competence Center Embedded Linux -- 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
