> -Original Message-
> From: Jan Beulich
> Sent: 10 September 2020 15:20
> To: Paul Durrant
> Cc: xen-devel@lists.xenproject.org; Paul Durrant ;
> Andrew Cooper
> ; George Dunlap ; Wei
> Liu ; Roger Pau
> Monné ; Kevin Tian
> Subject: Re: [PATCH v5 7/
On 07.09.2020 09:40, Paul Durrant wrote:
> --- a/xen/drivers/passthrough/vtd/iommu.c
> +++ b/xen/drivers/passthrough/vtd/iommu.c
> @@ -318,6 +318,48 @@ static u64 addr_to_dma_page_maddr(struct domain *domain,
> u64 addr, int alloc)
> return pte_maddr;
> }
>
> +static uint64_t domain_pgd_ma
From: Paul Durrant
Sharing of HAP tables is now VT-d specific so the operation is never defined
for AMD IOMMU any more. There's also no need to pro-actively set vtd.pgd_maddr
when using shared EPT as it is straightforward to simply define a helper
function to return the appropriate value in the s
