Re: [patch 1/8] [Intel IOMMU] ACPI support for Intel Virtualization Technology for Directed I/O

[Ashok Raj]

On Mon, Apr 09, 2007 at 11:39:19PM -0400, Len Brown wrote:
> On Monday 09 April 2007 17:55, Ashok Raj wrote:
> > This patch contains basic ACPI parsing and enumeration support.
> 
> AFAICS, ACPI supplies the envelope which delivers the table,
> and ACPI has some convenience structure definitions for that
> table in include/acpi/actbl1.h (primarily for the acpixtract table dis-assembler),
> but ACPI is otherwise not involved in IOMMU support.
> 
> Indeed, one might argue that all new functions in this patch series with
> "acpi..." would more appropriately be called "pci...", since a cursory
> scan of the IOMMU spec seems to suggest it is specific to PCI.

Think we can migrate some of the code to make the core part just perform
the get-table. We will do that in the next respin.

> 
> So on first blush, it looks like the only call to a function that begins with
> "acpi" in this patch series should be acpi_get_table() from some IOMMU
> specific file outside of drivers/acpi,
> and the only modification to any code with an "acpi" in the file path or filename should
> be any updates to the convenience structure definitions in acpitbl1.h
> 
> thanks,
> -Len
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