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[Xen-ia64-devel] Re: [PATCH 04/15] ia64/pv_ops: introduce pv_info which describes some random info.



Dong, Eddie wrote:
My understanding is that code such as IVT table are well tuned and you
are really difficult to pursuade people to replace those privilege resource access
instruction
to use vdso or something equalvalent such as mov GRx=CRy.  For those C
code
previlige resource access, like Isaku mentioned, we need to consider
native too.

Hi Eddie,

I think binary patching of the ivt makes a lot of sense, I am certainly
not opposed to that. I was more thinking in terms of calls out of the
regular C code.

Cheers,
Jes

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