Re: [PATCH v3 3/4] iommu/vt-d: Add page request draining support

2020-04-29 Thread Jacob Pan
On Wed, 29 Apr 2020 14:00:05 +0800 Lu Baolu wrote: > Hi Jacob, > > On 2020/4/29 11:36, Jacob Pan wrote: > > On Wed, 22 Apr 2020 16:06:10 +0800 > > Lu Baolu wrote: > > > >> When a PASID is stopped or terminated, there can be pending PRQs > >> (requests that haven't received responses) in

Re: [PATCH v3 3/4] iommu/vt-d: Add page request draining support

2020-04-29 Thread Lu Baolu
Hi Jacob, On 2020/4/29 11:36, Jacob Pan wrote: On Wed, 22 Apr 2020 16:06:10 +0800 Lu Baolu wrote: 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

Re: [PATCH v3 3/4] iommu/vt-d: Add page request draining support

2020-04-28 Thread Jacob Pan
On Wed, 22 Apr 2020 16:06:10 +0800 Lu Baolu wrote: > 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:

[PATCH v3 3/4] iommu/vt-d: Add page request draining support

2020-04-22 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 ---