On Wed, 26 Jun 2013 22:45:50 -0700, Ed Jaffe wrote:

>AFAIK, there is only one 4K range of virtual addresses guaranteed to
>generate 0C4 now and forever: 7FFFF000 - 7FFFFFFF.

I didn't know that.  Is it documented anywhere?

The 4K range from 00000000 - 00000FFF is key 0 storage and, as such, 
is protected from stores by unauthorized programs.

-- 
Tom Marchant

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