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xen-ia64-devel
Re: [Xen-ia64-devel] privilege level of PV domain
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
--
Juergen Gross Principal Developer
IP SW OS6 Telephone: +49 (0) 89 636 47950
Fujitsu Siemens Computers e-mail: juergen.gross@xxxxxxxxxxxxxxxxxxx
Otto-Hahn-Ring 6 Internet: www.fujitsu-siemens.com
D-81739 Muenchen Company details: www.fujitsu-siemens.com/imprint.html
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