Re: [Xen-devel] [PATCH] [RFC V2] xen/arm: Restrict "p2m_ipa_bits" according to the IOMMU requirements

Hi, On 9/11/19 5:34 PM, Oleksandr wrote: On 10.09.19 21:55, Julien Grall wrote: Hi, Hi Julien On 9/10/19 5:24 PM, Oleksandr wrote: On 10.09.19 18:11, Julien Grall wrote: Hi Oleksandr, Hi, Julien On 8/23/19 8:34 PM, Oleksandr Tyshchenko wrote: From: Oleksandr Tyshchenko There

Re: [Xen-devel] [PATCH] [RFC V2] xen/arm: Restrict "p2m_ipa_bits" according to the IOMMU requirements

On 10.09.19 21:55, Julien Grall wrote: Hi, Hi Julien On 9/10/19 5:24 PM, Oleksandr wrote: On 10.09.19 18:11, Julien Grall wrote: Hi Oleksandr, Hi, Julien On 8/23/19 8:34 PM, Oleksandr Tyshchenko wrote: From: Oleksandr Tyshchenko There is a strict requirement for the IOMMU which

Re: [Xen-devel] [PATCH] [RFC V2] xen/arm: Restrict "p2m_ipa_bits" according to the IOMMU requirements

Hi, On 9/10/19 5:24 PM, Oleksandr wrote: On 10.09.19 18:11, Julien Grall wrote: Hi Oleksandr, Hi, Julien On 8/23/19 8:34 PM, Oleksandr Tyshchenko wrote: From: Oleksandr Tyshchenko There is a strict requirement for the IOMMU which wants to share the P2M table with the CPU. The IOMMU's

Re: [Xen-devel] [PATCH] [RFC V2] xen/arm: Restrict "p2m_ipa_bits" according to the IOMMU requirements

On 10.09.19 18:11, Julien Grall wrote: Hi Oleksandr, Hi, Julien On 8/23/19 8:34 PM, Oleksandr Tyshchenko wrote: From: Oleksandr Tyshchenko There is a strict requirement for the IOMMU which wants to share the P2M table with the CPU. The IOMMU's Stage-2 input size must be equal to the P2M

Re: [Xen-devel] [PATCH] [RFC V2] xen/arm: Restrict "p2m_ipa_bits" according to the IOMMU requirements

Hi Oleksandr, On 8/23/19 8:34 PM, Oleksandr Tyshchenko wrote: From: Oleksandr Tyshchenko There is a strict requirement for the IOMMU which wants to share the P2M table with the CPU. The IOMMU's Stage-2 input size must be equal to the P2M IPA size. It is not a problem when the IOMMU can support