On 07/24/2013 12:48 PM, H. Peter Anvin wrote: > On 07/23/2013 09:37 PM, Jason Wang wrote: >> On 07/23/2013 10:48 PM, H. Peter Anvin wrote: >>> On 07/23/2013 06:55 AM, KY Srinivasan wrote: >>>> This strategy of hypervisor detection based on some detection order IMHO >>>> is not >>>> a robust detection strategy. The current scheme works since the only >>>> hypervisor emulated >>>> (by other hypervisors happens to be Hyper-V). What if this were to change. >>>> >>> One strategy would be to pick the *last* one in the CPUID list, since >>> the ones before it are logically the one(s) being emulated... >>> >>> -hpa >>> >> How about simply does a reverse loop from 0x40010000 to 0x40010000? >> > Not all systems like being poked too far into hyperspace. Just remember > the last match and walk the list. > > -hpa >
Ok, but it raises a question - how to know it was the 'last' match without knowing all signatures of other hyper-visor? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
