On Thu, Sep 05, 2019 at 12:09:48PM -0500, Stuart Hayes wrote:
> When devices are attached to the amd_iommu in a kdump kernel, the old device
> table entries (DTEs), which were copied from the crashed kernel, will be
> overwritten with a new domain number. When the new DTE is written, the IOMMU
> i
When devices are attached to the amd_iommu in a kdump kernel, the old device
table entries (DTEs), which were copied from the crashed kernel, will be
overwritten with a new domain number. When the new DTE is written, the IOMMU
is told to flush the DTE from its internal cache--but it is not told to