Re: [PATCH 4/4] PCI: Add support for PASID capability

[Valdis . Kletnieks]

On Tue, 27 Sep 2011 00:15:39 +0200, Joerg Roedel said:

> PASID stands for Process Address Space ID, it basically allows a PCI
> device to access multiple IO address spaces at the same time using an
> IOMMU. Users should enable it when they want to compile an IOMMU driver
> into the kernel that supports PASIDs for the translated devices.
> I'll add all that information to the Kconfig help. Thanks a lot for your
> feedback :)

Is this a case where the PCI device drivers in question should be doing a
'select' or 'depends on' if they support talking to an IOMMU using PASID?

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