Re: [RFC PATCH v3 0/8] Add IOPF support for VFIO passthrough

2021-04-25 Thread Shenming Lu
On 2021/4/9 11:44, Shenming Lu wrote: > Hi, > > Requesting for your comments and suggestions. :-) Kind ping... > > The static pinning and mapping problem in VFIO and possible solutions > have been discussed a lot [1, 2]. One of the solutions is to add I/O > Page Fault support for VFIO devices.

RE: [PATCH V4 05/18] iommu/ioasid: Redefine IOASID set and allocation APIs

2021-04-25 Thread Tian, Kevin
> From: Jason Gunthorpe > Sent: Friday, April 23, 2021 7:50 PM > > On Fri, Apr 23, 2021 at 09:06:44AM +, Tian, Kevin wrote: > > > Or could we still have just one /dev/ioasid but allow userspace to create > > multiple gpa_ioasid_id's each associated to a different iommu domain? > > Then the c