Re: [Xen-devel] [PATCH] xen/arm: Correctly implement domain_page_map_to_mfn

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2014-02-06 at 12:03 +0000, George Dunlap wrote:
> On 02/06/2014 12:02 PM, Ian Campbell wrote:
> > On Wed, 2014-02-05 at 14:51 +0000, George Dunlap wrote:
> >> On 02/05/2014 02:16 PM, Julien Grall wrote:
> >>> The function domain_page_map_to_mfn can be used to translate a virtual
> >>> address mapped by both map_domain_page and map_domain_page_global.
> >>> The former is using vmap to map the mfn, therefore domain_page_map_to_mfn
> >>> will always fail because the address is not in DOMHEAP range.
> >>>
> >>> Check if the address is in vmap range and use __pa to translate it.
> >>>
> >>> This patch fix guest shutdown when the event fifo is used.
> >>>
> >>> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
> >> I assume this brings the arm paths into line with the x86 functionality?
> > Yes, functionality which is now expected by common code as well (FIFO
> > evthcn stuff).
> 
> In that case:
> 
> Release-acked-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>

Thanks, applied.


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