On Thu, Dec 10, 2009 at 08:41:53PM -0600, Kumar Gala wrote:
[snip]
> > +#define DBCR1_USER_DEBUG   (DBCR1_IAC12M | DBCR1_IAC34M)
> > +#define DBCR1_BASE_REG_VALUE       (DBCR1_IAC1US | DBCR1_IAC1ER_10 | \
> > +                            DBCR1_IAC2US | DBCR1_IAC2ER_10 | \
> > +                            DBCR1_IAC3US | DBCR1_IAC3ER_10 | \
> > +                            DBCR1_IAC4US | DBCR1_IAC4ER_10)
> 
> We are we using MSR[IS] IS=0, why not just any Eff address?  In the
> future we might have user as IS = 1, and kernel as IS = 0.

Since the user can't control that directly, we can update this when
and if we change our use of address spaces.

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson
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