Re: [Xen-devel] Xen HVM regression on certain Intel CPUs

["H. Peter Anvin" <hpa@xxxxxxxxx>]

On 03/27/2013 10:40 AM, Stefan Bader wrote:
> On 27.03.2013 18:30, H. Peter Anvin wrote:
>> On 03/27/2013 10:28 AM, Stefan Bader wrote:
>>> 
>>> I will need more time to look into this (and unlikely today)
>>> but it feels like at least the cpuid flags passed on to HVM
>>> guest may be not influenced by the smep boot argument. Probably
>>> rather something I could do by masking in the config of the
>>> guest (which could be another pain as I normally configure
>>> those via libvirt).
>>> 
>> 
>> There is an "nosmep" kernel command line option.
> 
> Ignoring it on that side does help.
> 

As one would expect.  Are CPUID and /proc/cpuinfo still consistent
across all CPUs inside the HVM?

        -hpa



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