> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Friday, July 01, 2016 12:40 PM
> To: Stuart Yoder
> Cc: iommu@lists.linux-foundation.org; linux-arm-ker...@lists.infradead.org
> Subject: Re: [RFC 1/2] iommu/dma: Restrict IOVAs to phys
On 01/07/16 17:15, Robin Murphy wrote:
> On 01/07/16 17:03, Stuart Yoder wrote:
>>
>>
>>> -Original Message-
>>> From: Robin Murphy
>>> Date: Tue, Jun 28, 2016 at 11:18 AM
>>> Subject: [RFC 1/2] iommu/dma: Restrict IOVAs to physical mem
On 01/07/16 17:03, Stuart Yoder wrote:
>
>
>> -Original Message-
>> From: Robin Murphy
>> Date: Tue, Jun 28, 2016 at 11:18 AM
>> Subject: [RFC 1/2] iommu/dma: Restrict IOVAs to physical memory layout
>> To: iommu@lists.linux-foundation.org,
> -Original Message-
> From: Robin Murphy
> Date: Tue, Jun 28, 2016 at 11:18 AM
> Subject: [RFC 1/2] iommu/dma: Restrict IOVAs to physical memory layout
> To: iommu@lists.linux-foundation.org, linux-arm-ker...@lists.infradead.org
>
>
> Certain peripher
Certain peripherals may be bestowed with knowledge of the physical
memory map of the system in which they live, and refuse to handle
addresses that they do not think are memory, which causes issues when
remapping to arbitrary IOVAs. Sidestep the issue by restricting IOVA
domains to only allocate ad
