Re: [Xen-ia64-devel]Question about priv_ptc_e

[Tristan Gingold <Tristan.Gingold@xxxxxxxx>]

Le Vendredi 10 Mars 2006 09:27, Xu, Anthony a écrit :
> From: Tristan Gingold [mailto:Tristan.Gingold@xxxxxxxx]
>
> >Sent: 2006年3月10日 16:13
> >This is the way fc is privatized.
> >You need to privatize fc because its semantic is different in CPL0 and CPL
> > != 0.  You couldn't use a break (at least during the privatize area), so
> > Dan used a priv op with special registers.
> >
> >Maybe this area is over and this could be now cleaned.
>
> Understand, so the question changes to,
> Doesn't fc use register whose index is larger than 63?
It may, but it don't.
I suppose privatize checks this.  According to Dan work, the answer is no.
Note we only speak about fc in kernel.

Tristan.


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