Re: [Xen-devel] [PATCH 2/2] VT-d: Fix vt-d flush timeout issue.

2015-12-03 Thread Xu, Quan
On December 04, 2015 at 9:52 AM, wrote: > > From: Xu, Quan > > Sent: Thursday, December 03, 2015 4:09 PM > > > > If IOTLB/Context/IETC flush is timeout, we should think all devices > > under this IOMMU cannot function correctly. > > So for each device under this IOMMU we'll mark it as unassignable

Re: [Xen-devel] [PATCH 2/2] VT-d: Fix vt-d flush timeout issue.

2015-12-03 Thread Tian, Kevin
> From: Xu, Quan > Sent: Thursday, December 03, 2015 4:09 PM > > If IOTLB/Context/IETC flush is timeout, we should think > all devices under this IOMMU cannot function correctly. > So for each device under this IOMMU we'll mark it as > unassignable and kill the domain owning the device. > > If De

[Xen-devel] [PATCH 2/2] VT-d: Fix vt-d flush timeout issue.

2015-12-03 Thread Quan Xu
If IOTLB/Context/IETC flush is timeout, we should think all devices under this IOMMU cannot function correctly. So for each device under this IOMMU we'll mark it as unassignable and kill the domain owning the device. If Device-TLB flush is timeout, we'll mark the target ATS device as unassignable