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Message-ID: <20090319193043.583ad601@hobbes.lan>
Date: Thu, 19 Mar 2009 19:30:43 -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
Um nevermind, this should go through the IOMMU tree (David?).
--
Jesse Barnes, Intel Open Source Technology Center
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