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

To: J?«ärgen Gro?©Î <juergen.gross@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-ia64-devel] privilege level of PV domain
From: tgingold@xxxxxxx
Date: Mon, 25 Jun 2007 10:08:07 +0200
Cc: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>, xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
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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!

Tristan.

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