Re: [Xen-devel] [RFC PATCH 7/9] iommu/arm: Add alloc_page_table platform callback

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 15.03.17 at 21:05, <olekstysh@xxxxxxxxx> 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,
>                                      unsigned long page_count);
> +    int (*alloc_page_table)(struct domain *d);
>      void (*free_page_table)(struct page_info *);
>  #ifdef CONFIG_X86
>      void (*update_ire_from_apic)(unsigned int apic, unsigned int reg, 
> unsigned int value);

As you can see in patch context here, we have x86-specific callbacks.
If the new one is used on ARM only, it should be made ARM-only.

Jan



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