linux-kernel - Re: [PATCH v3 0/6] ATS capability support for Intel IOMMU

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Date:	Thu, 19 Mar 2009 19:30:13 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Yu Zhao <yu.zhao@...el.com>
Cc:	dwmw2@...radead.org, linux-pci@...r.kernel.org,
	iommu@...ts.linux-foundation.org, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, Yu Zhao <yu.zhao@...el.com>
Subject: Re: [PATCH v3 0/6] ATS capability support for Intel IOMMU

On Thu, 12 Feb 2009 20:50:32 +0800
Yu Zhao <yu.zhao@...el.com> wrote:

> This patch series implements Address Translation Service support for
> the Intel IOMMU. ATS makes the PCI Endpoint be able to request the
> DMA address translation from the IOMMU and cache the translation in
> the Endpoint, thus alleviate IOMMU pressure and improve the hardware
> performance in the I/O virtualization environment.
> 
> 
> Changelog: v2 -> v3
>   1, throw error message if VT-d hardware detects invalid descriptor
>      on Queued Invalidation interface (David Woodhouse)
>   2, avoid using pci_find_ext_capability every time when reading ATS
>      Invalidate Queue Depth (Matthew Wilcox)
> Changelog: v1 -> v2
>   added 'static' prefix to a local LIST_HEAD (Andrew Morton)
> 
> 
> Yu Zhao (6):
>   PCI: support the ATS capability
>   VT-d: parse ATSR in DMA Remapping Reporting Structure
>   VT-d: add queue invalidation fault status support
>   VT-d: add device IOTLB invalidation support
>   VT-d: cleanup iommu_flush_iotlb_psi and flush_unmaps
>   VT-d: support the device IOTLB

Is this one ready too, Yu?  Care to send a respin incorporating the
last set of feedback?

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center
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