Re: Task based virtual address spaces

2017-10-06 Thread Jordan Crouse
On Thu, Oct 05, 2017 at 11:08:12AM +0100, Jean-Philippe Brucker wrote: > Hi Jordan, > > On 04/10/17 20:43, Jordan Crouse wrote: > > Trying to start back up the conversation about multiple address > > spaces for IOMMU devices. If you will remember Jean-Philippe posted > > some patches back in Febru

Re: Task based virtual address spaces

2017-10-06 Thread Jean-Philippe Brucker
Hi Jordan, On 04/10/17 20:43, Jordan Crouse wrote: > Trying to start back up the conversation about multiple address > spaces for IOMMU devices. If you will remember Jean-Philippe posted > some patches back in February for SVM on arm-smmu-v3. > > For quite some time the downstream Snapdragon kern

Task based virtual address spaces

2017-10-04 Thread Jordan Crouse
Trying to start back up the conversation about multiple address spaces for IOMMU devices. If you will remember Jean-Philippe posted some patches back in February for SVM on arm-smmu-v3. For quite some time the downstream Snapdragon kernels have supported something we call "per-process" page tables