Jan Beulich wrote:
quoted text
> Hmm? There's 11 bits available - why would anyone want to assign bits
> from the sufficiently official (at least as far as AMD is concerned, I'm not
> sure I saw a precise statement on Intel's side) frame number bits?

The Intel docs list those 11 bits as available to software, and are not 
reserved for any future flags they may want to add.  I was a bit 
surprised too.

quoted text
>  And
> even if they would, it would certainly take some control register bit to
> enable the feature, so shrinking the mask if that would ever happen
> would seem more appropriate.
>   

I suppose.

quoted text
> Bottom line - I'd suggest pushing both 32- and 64-bits up to 52.
>   

We could have an auction:

    Do I hear 46? 47? 48?  50?  52!  Going once, twice, 52 bits!

Anyway, we can fix it later in a separate patch.  This is a 
change-as-little-as-possible bugfix patch.

    J
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