Re: [Xen-devel] Dom0 physical networking/swiotlb/something issue in 3.7-rc1

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 09.11.12 at 11:36, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
> In the forward ported kernels, those two checks are however
> accompanied by range_needs_mapping() (aka
> range_straddles_page_boundary()) checks, which ought to
> take care of this. There is brokenness there with the invocations
> of gnttab_dma_map_page(), but only if the initial offset is at
> least PAGE_SIZE - will have to check whether that occurs.

And indeed, fixing this also makes the problem go away when
the allocation order doesn't get forced to zero. So presumably
there's also only that one problem I had pointed out in pv-ops.

Jan


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