On Wed, May 14, 2008 at 10:43:24AM +0200, tgingold@xxxxxxx wrote:
> Quoting Isaku Yamahata <yamahata@xxxxxxxxxxxxx>:
>
> > On Tue, May 13, 2008 at 12:24:16PM +0200, tgingold@xxxxxxx wrote:
> > > > The uncached physical addresses are hard coded, but they aren't
> > > > relocated when switching to virtual address mode.
> > >
> > > I am not sure ConvertPointer is able to deal with uncached addresses.
> > Anyway,
> > > using normal addresses should be harmless.
> >
> > I guess that the original auther concerned about a race so that
> > he used uncached addresses.
>
> I don't catch your point. Uncached addresses won't prevent races.
No, it doesn't prevent.
I don't understand why uncached address was used either.
I had tried to guess the code intention, but I'm not sure.
Kaz, any comment?
--
yamahata
_______________________________________________
Xen-ia64-devel mailing list
Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-ia64-devel
|