On 06/28/2015 07:34 AM, Prarit Bhargava wrote:
>>
>> Seriously, though, it would be straightforward to make it handle a
>> more general list, complete with non-architectural stuff (such as the
>> upcoming PPERF in Skylake).
>
> Is it easier to blacklist MSRs we don't want generally exposed, or only expose
> the ones that we think are safe? That's sort of a devil's advocate sort of
> question ;) and I'm wondering what the shorter list is.
>
The second is the only option. Blacklisting MSRs is not safe, as you
have no idea what new MSRs might be introduced.
-hpa
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