[PATCH 04/15] ia64/pv_ops: introduce pv_info which describes some random info.
Jes Sorensen
jes at sgi.com
Tue Apr 22 06:55:54 PDT 2008
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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