On Mon, Dec 24, 2007 at 08:50:13AM +0200, Avi Kivity wrote:
> Marcelo Tosatti wrote:
> >On Sun, Dec 23, 2007 at 10:41:07AM +0200, Avi Kivity wrote:
> >  
> >>Avi Kivity wrote:
> >>    
> >>>Exactly.  But it is better to be explicit about it and pass the page
> >>>directly like you did before.  I hate to make you go back-and-fourth,
> >>>but I did not understand the issue completely before.
> >>>
> >>>      
> >>btw, the call to gfn_to_page() can happen in page_fault() instead of
> >>walk_addr(); that will reduce the amount of error handling, and will
> >>simplify the callers to walk_addr() that don't need the page.
> >>    
> >
> >But the gfn in question is only known at walk_addr() time, so thats not
> >possible.
> >  
> 
> It's just walker->gfn; certainly it is known in page_fault().

Oh, you mean to grab walker->gfn before fetch() ?

Yeah, that makes sense.


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