Re: [Xen-devel] [PATCH v5 07/10] xen/arm: Handle remove foreign mapping

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2013-12-17 at 15:44 +0000, Julien Grall wrote:
> On 12/17/2013 03:21 PM, Ian Campbell wrote:
> > On Tue, 2013-12-17 at 15:06 +0000, Julien Grall wrote:
> >> On 12/17/2013 11:18 AM, Ian Campbell wrote:
> >> The patch #8 which relinquish memory doesn't give the right mfn in
> >> parameters.
> >> It's because, you will need to look for each gfn the translated mfn (you
> >> can't assumed the mfn are contiguous). So the loop will go back to the
> >> version 3.
> > 
> > I'm not sure what you mean.
> > 
> > All I was trying to say is that:
> >     mfn = paddr_to_pfn(pte.bits & PADDR_MASK & PAGE_MASK)
> > is (probably) equivalent to:
> >     mfn = pte.p2m.base
> 
> We didn't talk about the same thing.
> 
> I will use pte.p2m.base for the next version.

Make sure to check that I am right about them being the same ;-)

Ian.


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