[PATCH 2/4] iommu/amd: Use pci_ats_supported()

Joerg Roedel joro at 8bytes.org
Fri May 15 12:01:50 UTC 2020


On Fri, May 15, 2020 at 12:44:00PM +0200, Jean-Philippe Brucker wrote:
> The pci_ats_supported() function checks if a device supports ATS and is
> allowed to use it. In addition to checking that the device has an ATS
> capability and that the global pci=noats is not set
> (pci_ats_disabled()), it also checks if a device is untrusted.

Hmm, but per patch 1, pci_ats_supported() does not check
pci_ats_disabled(), or do I miss something?


	Joerg


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