linux-kernel - Re: [PATCH v4 00/16] PCI/iommu: Fix DMA alias problems

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Message-ID: <20140616144759.GC18986@8bytes.org>
Date:	Mon, 16 Jun 2014 16:47:59 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	Alex Williamson <alex.williamson@...hat.com>
Cc:	linux-pci@...r.kernel.org, iommu@...ts.linux-foundation.org,
	bhelgaas@...gle.com, linux-kernel@...r.kernel.org,
	linux@...izon.com, eddy0596@...il.com
Subject: Re: [PATCH v4 00/16] PCI/iommu: Fix DMA alias problems

Hi Alex,

On Thu, May 22, 2014 at 05:07:23PM -0600, Alex Williamson wrote:
> Alex Williamson (16):
>       PCI: Add DMA alias iterator
>       PCI: define pci_dev_flags as bit shifts
>       PCI: quirk pci_for_each_dma_alias()
>       PCI: quirk dma_alias_devfn for Ricoh devices
>       PCI: quirk dma_alias_devfn for Marvell devices
>       PCI: Quirk pci_for_each_dma_alias() for bridges
>       PCI: Add quirks for ASMedia and Tundra bridges
>       iommu: Create central IOMMU group lookup/creation interface
>       iommu/amd: Update to use PCI DMA aliases
>       iommu/amd: Use iommu_group_get_for_dev()
>       iommu/intel: Use iommu_group_get_for_dev()
>       iommu/intel: Update to use PCI DMA aliases
>       iommu/fsl: Use iommu_group_get_for_dev() for IOMMU groups
>       iommu: Remove pci.h
>       PCI: Remove pci_find_upstream_pcie_bridge()
>       PCI: Remove pci_get_dma_source()

Sorry for the delay, I had a look at the generic IOMMU and the AMD part
now. It looks good to me so far, but I still have to review the VT-d
changes and give it all some testing on my machines. I really like the
code simplification in the IOMMU drivers and also feel more comfortable
when the IVRS table is still taken into consideration for getting
aliases.


	Joerg


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