Re: [Xen-ia64-devel] privilege level of PV domain

[Juergen Gross <juergen.gross@xxxxxxxxxxxxxxxxxxx>]

tgingold@xxxxxxx wrote:
> Quoting J?«ärgen Gro?©Î <juergen.gross@xxxxxxxxxxxxxxxxxxx>:
> 
>> Isaku Yamahata wrote:
>>> On Mon, Jun 25, 2007 at 08:34:02AM +0200, J?«ärgen Gro?©Î wrote:
>> Thanks!
>> My plan is to make a patch first which uses a '#define' for the privilege
>> level instead the hard coded '2'. This should minimize a possible negative
>> impact.
> 
> Enabling 3 levels is certainly a good idea.
> Just be very careful: the 2 is hard-coded and the level compression is
> often done simply by or-ing 2.  You have to replace the or with a max!

I've seen it, thanks.
So far I've found the following places:
- checking and setting of cr.ipsr in various assembler sources
- setting of ar_rsc
- setting of page attributes (_PAGE_PL_2)
- psr evaluation
I did nothing in the vmx*.[ch] sources.
Anything I might have missed?

Juergen

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Juergen Gross                             Principal Developer
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