On 12/06/2013 12:05 PM, Liu, Jinsong wrote: >> >> Since Peter already said the same, please undo these changes. >> >> Also, how is XSTATE_EAGER used? Should MPX be disabled when xsaveopt >> is disabled on the kernel command line? (Liu, how would this affect >> the KVM patches, too?) >> >> Paolo > > Currently seems no, and if needed we can add a new patch at kvm side accordingly when native mpx patches checked in. > We need to either disable these features in lazy mode, or we need to force eager mode if these features are to be supported. The problem with the latter is that it means forcing eager mode regardless of if anything actually *uses* these features. A third option would be to require applications to use a prctl() or similar to enable eager-save features. Thoughts? -hpa -- 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