On Mon, Oct 16, 2017 at 5:23 AM, Jean-Philippe Brucker
wrote:
> On 13/10/17 20:10, Rob Herring wrote:
>> On Fri, Oct 06, 2017 at 02:31:39PM +0100, Jean-Philippe Brucker wrote:
>>> On ARM systems, some platform devices behind an IOMMU may support stall
>>> and PASID features. Stall is the ability t
On 13/10/17 20:10, Rob Herring wrote:
> On Fri, Oct 06, 2017 at 02:31:39PM +0100, Jean-Philippe Brucker wrote:
>> On ARM systems, some platform devices behind an IOMMU may support stall
>> and PASID features. Stall is the ability to recover from page faults and
>> PASID offers multiple process addr
On Fri, Oct 06, 2017 at 02:31:39PM +0100, Jean-Philippe Brucker wrote:
> On ARM systems, some platform devices behind an IOMMU may support stall
> and PASID features. Stall is the ability to recover from page faults and
> PASID offers multiple process address spaces to the device. Together they
> a
On ARM systems, some platform devices behind an IOMMU may support stall
and PASID features. Stall is the ability to recover from page faults and
PASID offers multiple process address spaces to the device. Together they
allow to do paging with a device. Let the firmware tell us when a device
support
