Re: [Xen-devel] Re: Xen with grsec?

[Jacob Gorm Hansen <jacobg@xxxxxxx>]

Milan Holzäpfel wrote:
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> What about hardware implementations? IIRC, the Athlon64 processors
> (amongst others) implement such feature in hardware?  While I know that
> there's usable version of Xen for AMD64 so far, can this feature also be
> used in 32-Bit-mode?  (On the other hand, I'm not aware whether PaX will
> use this feature or not...) 
> ...just jumping in because I'm interested in this too...
I suppose that would just work, though I think it requires PAE mode (64 
bit page table entries), does Xen support PAE now, I guess it does?
There was another similar patch from Redhat using segments instead of 
playing with the TLB, that will probably work with few or no modifications.
Jacob


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