On Wed, Mar 22, 2017 at 5:49 PM, Jan Beulich wrote:
On 15.03.17 at 21:05, wrote:
>> --- a/xen/include/xen/iommu.h
>> +++ b/xen/include/xen/iommu.h
>> @@ -181,6 +181,7 @@ struct iommu_ops {
>> int __must_check (*unmap_page)(struct domain *d, unsigned long gfn);
>> int __must_check (
>>> On 15.03.17 at 21:05, wrote:
> --- a/xen/include/xen/iommu.h
> +++ b/xen/include/xen/iommu.h
> @@ -181,6 +181,7 @@ struct iommu_ops {
> int __must_check (*unmap_page)(struct domain *d, unsigned long gfn);
> int __must_check (*unmap_pages)(struct domain *d, unsigned long gfn,
>
From: Oleksandr Tyshchenko
The alloc_page_table callback is a mandatory thing
for the IOMMUs that don't share page table with the CPU on ARM.
The unshared IOMMUs have to perform all required actions here
to be ready to handle IOMMU mapping updates right after completing it.
The arch_iommu_popula
