Re: [PATCH] iommu/vt-d: Handle hotplug devices' default identity mapping setting

2019-02-22 Thread Jis Ben via iommu
An NVMe device configured in static identity mapping should also cause this error when removed and rescanned. Essentially, a device that does a DMA when its driver inits, or one that you can force a DMA from. On Fri, Feb 22, 2019 at 12:28 AM James Dong wrote: > Baolu: > > The reproduction

Re: [PATCH] iommu/vt-d: Handle hotplug devices' default identity mapping setting

2019-02-22 Thread Jis Ben via iommu
An NVMe device configured in static identity mapping should also cause this error when removed and rescanned. Essentially, a device that does a DMA when its driver inits, or one that you can force a DMA from. -Jis On Fri, Feb 22, 2019 at 12:28 AM James Dong wrote: > > Baolu: > > The