Re: [Xen-devel] arm64: dma_to_phys/phys_to_dma need to be properly implemented

[Julien Grall <julien.grall@xxxxxxx>]

Hi,

On 29/03/2017 23:36, Stefano Stabellini wrote:
> On Wed, 29 Mar 2017, Oleksandr Andrushchenko wrote:
> If you can come up with a patch that only affects
> xen_swiotlb_get_sgtable, and translates successfully void *cpu_addr into
> a physical address using "at", I think I would take that patch. I would
> recommend to test the patch on ARM32 too, where virt_to_phys reliably
> fails.
I haven't fully read the thread. I would recommend to ask the 
ARM64/ARM32 kernel maintainers there advice here.
Cheers,

--
Julien Grall

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