On Fri, Dec 27, 2019 at 12:56:18AM +0100, Patrick Steinhardt wrote:
>
> I've recently spotted above warning in v5.5-rc3. The attached fix
> is rather intended as a discussion starter -- it's quite likely
> to be wrong as I ain't got much of a clue about the IOMMU
> subsystem.
>
>
Hi,
On 12/27/19 7:56 AM, Patrick Steinhardt wrote:
Starting with commit fa212a97f3a3 ("iommu/vt-d: Probe DMA-capable ACPI
name space devices"), we now probe DMA-capable ACPI name
space devices. On Dell XPS 13 9343, which has an Intel LPSS platform
device INTL9C60 enumerated via ACPI, this
Starting with commit fa212a97f3a3 ("iommu/vt-d: Probe DMA-capable ACPI
name space devices"), we now probe DMA-capable ACPI name
space devices. On Dell XPS 13 9343, which has an Intel LPSS platform
device INTL9C60 enumerated via ACPI, this change leads to the following
warning:
[
