Gleb Natapov wrote: > On Tue, Feb 16, 2010 at 10:16:12AM +0100, Jan Kiszka wrote: >> Found while browsing Xen code: While we assume that the STI interrupt >> shadow also inplies virtual NMI blocking, some processors may have a >> different opinion (SDM 3: 22.3). To avoid misunderstandings that would >> cause endless VM entry attempts, translate STI into MOV SS blocking when >> requesting the NMI window. >> > Why not just remove "block by STI" check in vmx_nmi_allowed()? IIRC this > is documented that on some CPUs STI does not block NMI. >
Probably because we will stumble and fall on those CPUs that do care. Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
