Re: [Xen-ia64-devel] [PATCH][GFW][RFC] fix EFI_SAL_SET_VECTORS

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

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

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