Re: [PATCH v2 0/7] iommu/vt-d: Add page request draining support

2020-04-15 Thread Lu Baolu
Hi Kevin, On 2020/4/15 15:57, Tian, Kevin wrote: From: Lu Baolu Sent: Wednesday, April 15, 2020 1:26 PM When a PASID is stopped or terminated, there can be pending PRQs (requests that haven't received responses) in the software and remapping hardware. The pending page requests must be drained s

RE: [PATCH v2 0/7] iommu/vt-d: Add page request draining support

2020-04-15 Thread Tian, Kevin
> From: Lu Baolu > Sent: Wednesday, April 15, 2020 1:26 PM > > When a PASID is stopped or terminated, there can be pending PRQs > (requests that haven't received responses) in the software and > remapping hardware. The pending page requests must be drained > so that the pasid could be reused. The