Re: [PATCH v4 4/5] iommu/vt-d: Add page request draining support

2020-05-07 Thread Lu Baolu
Hi Kevin, On 5/7/20 2:35 PM, Tian, Kevin wrote: From: Lu Baolu Sent: Thursday, May 7, 2020 8:56 AM When a PASID is stopped or terminated, there can be pending PRQs (requests that haven't received responses) in remapping hardware. This adds the interface to drain page requests and call it when a

RE: [PATCH v4 4/5] iommu/vt-d: Add page request draining support

2020-05-06 Thread Tian, Kevin
> From: Lu Baolu > Sent: Thursday, May 7, 2020 8:56 AM > > When a PASID is stopped or terminated, there can be pending PRQs > (requests that haven't received responses) in remapping hardware. > This adds the interface to drain page requests and call it when a > PASID is terminated. > > Signed-off

[PATCH v4 4/5] iommu/vt-d: Add page request draining support

2020-05-06 Thread Lu Baolu
When a PASID is stopped or terminated, there can be pending PRQs (requests that haven't received responses) in remapping hardware. This adds the interface to drain page requests and call it when a PASID is terminated. Signed-off-by: Jacob Pan Signed-off-by: Liu Yi L Signed-off-by: Lu Baolu ---