On Wed, Feb 01, 2012 at 12:27:00PM +0200, Avi Kivity wrote: > If the guest thinks it's an AMD, it will not have prepared the SYSENTER MSRs, > and if the guest executes SYSENTER in compatibility mode, it will fails. > > Detect this condition and #UD instead, like the spec says.
Note the SYSENTER_CS & 0xfffc == 0 check protects against a fatal error (unlike the SYSCALL bug), in case of zeroed MSRs. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
