RE: [PATCH V2 0/8] iommu/amd: enable ACPI hardware ID device support

From: Wan, Vincent
Date: Thu Mar 03 2016 - 22:27:52 EST




Thanks!
Vincent Wan.

> -----Original Message-----
> From: Joerg Roedel [mailto:joro@xxxxxxxxxx]
> Sent: Friday, February 26, 2016 10:45 PM
> To: Wan, Vincent
> Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx; Suthikulpanit, Suravee; Borislav Petkov;
> Huang, Ray; Xue, Ken; vw@xxxxxxxxx; mcuos.com@xxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH V2 0/8] iommu/amd: enable ACPI hardware ID device
> support
>
> On Tue, Jan 26, 2016 at 06:14:29PM -0500, Wan Zongshun wrote:
> > Suravee Suthikulpanit (3):
> > iommu/amd: Modify ivhd_header structure to support type 11h and 40h
> > iommu/amd: Use the most comprehensive IVHD type that the driver can
> > support
> > iommu/amd: Introduces ivrs_acpihid kernel parameter
> >
> > Wan Zongshun (5):
> > iommu/amd: Add new map for storing IVHD dev entry type HID
> > iommu/amd: Make call-sites of get_device_id aware of its return value
> > iommu/amd: Add iommu support for ACPI HID devices
> > iommu/amd: Manage iommu_group for ACPI HID devices
> > iommu/amd: Set AMD iommu callbacks for amba bus
>
> These patches fail to boot on my Carrizo system. Unfortunatly it fails before
> console is initialized and the box has no serial port to grab the early panic.
>
Joerg,
Can you provide me which branch you are using to test those patches.

We are validating the patches in v4.5.0-rc6, and no issues like your description.

Vincent.

>
>
> Joerg