On Wed, 7 Oct 2020, Christoph Hellwig wrote:
> On Tue, Oct 06, 2020 at 01:46:12PM -0700, Stefano Stabellini wrote:
> > OK, this makes a lot of sense, and I like the patch because it makes the
> > swiotlb interface clearer.
> >
> > Just one comment below.
> >
>
> > > +phys_addr_t swiotlb_tbl_map_
On Tue, Oct 06, 2020 at 01:46:12PM -0700, Stefano Stabellini wrote:
> OK, this makes a lot of sense, and I like the patch because it makes the
> swiotlb interface clearer.
>
> Just one comment below.
>
> > +phys_addr_t swiotlb_tbl_map_single(struct device *hwdev, phys_addr_t
> > orig_addr,
> >
On Tue, 6 Oct 2020, Christoph Hellwig wrote:
> On Fri, Oct 02, 2020 at 01:21:25PM -0700, Stefano Stabellini wrote:
> > On Fri, 2 Oct 2020, Christoph Hellwig wrote:
> > > Hi Stefano,
> > >
> > > I've looked over xen-swiotlb in linux-next, that is with your recent
> > > changes to take dma offsets i
On Fri, Oct 02, 2020 at 01:21:25PM -0700, Stefano Stabellini wrote:
> On Fri, 2 Oct 2020, Christoph Hellwig wrote:
> > Hi Stefano,
> >
> > I've looked over xen-swiotlb in linux-next, that is with your recent
> > changes to take dma offsets into account. One thing that puzzles me
> > is that xen_s
On Fri, 2 Oct 2020, Christoph Hellwig wrote:
> Hi Stefano,
>
> I've looked over xen-swiotlb in linux-next, that is with your recent
> changes to take dma offsets into account. One thing that puzzles me
> is that xen_swiotlb_map_page passes virt_to_phys(xen_io_tlb_start) as
> the tbl_dma_addr argu
Hi Stefano,
I've looked over xen-swiotlb in linux-next, that is with your recent
changes to take dma offsets into account. One thing that puzzles me
is that xen_swiotlb_map_page passes virt_to_phys(xen_io_tlb_start) as
the tbl_dma_addr argument to swiotlb_tbl_map_single, despite the fact
that the
