On Fri, Mar 20, 2009 at 07:15:51PM +0800, David Woodhouse wrote:
> On Fri, 2009-03-20 at 10:47 +0800, Zhao, Yu wrote:
> > If it's possible, I'd like it go through the PCI tree because the ATS
> > depends on the SR-IOV. This dependency is not reflected in this v3
> > series since the SR-IOV is not
On Fri, 2009-03-20 at 10:47 +0800, Zhao, Yu wrote:
> If it's possible, I'd like it go through the PCI tree because the ATS
> depends on the SR-IOV. This dependency is not reflected in this v3
> series since the SR-IOV is not in-tree and I don't want to break the
> build after people apply the AT
Jesse Barnes wrote:
On Thu, 12 Feb 2009 20:50:32 +0800
Yu Zhao 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 a
On Thu, 12 Feb 2009 20:50:32 +0800
Yu Zhao 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
On Thu, 12 Feb 2009 20:50:32 +0800
Yu Zhao 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
On Thu, Feb 26, 2009 at 10:50:35AM +0800, Yu Zhao wrote:
...
> > Yu,
> > Can you please add something to Documentation/PCI/pci.txt?
> > New API I'm seeing are:
> > +extern int pci_enable_ats(struct pci_dev *dev, int ps);
> > +extern void pci_disable_ats(struct pci_dev *dev);
> > +extern int pci_ats
On Thu, Feb 26, 2009 at 10:50:35AM +0800, Yu Zhao wrote:
> On Sun, Feb 15, 2009 at 06:59:10AM +0800, Grant Grundler wrote:
> > On Thu, Feb 12, 2009 at 08:50:32PM +0800, Yu Zhao wrote:
> > > This patch series implements Address Translation Service support for
> > > the Intel IOMMU. ATS makes the PCI
On Sun, Feb 15, 2009 at 06:59:10AM +0800, Grant Grundler wrote:
> On Thu, Feb 12, 2009 at 08:50:32PM +0800, Yu Zhao 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
On Thu, Feb 12, 2009 at 08:50:32PM +0800, Yu Zhao 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 I
Matthew Wilcox wrote:
On Thu, Feb 12, 2009 at 08:50:32PM +0800, Yu Zhao wrote:
2, avoid using pci_find_ext_capability every time when reading ATS
Invalidate Queue Depth (Matthew Wilcox)
er ... I didn't say it was a problem. I said I couldn't tell if it was a
problem. There's no point
On Thu, Feb 12, 2009 at 08:50:32PM +0800, Yu Zhao wrote:
> 2, avoid using pci_find_ext_capability every time when reading ATS
> Invalidate Queue Depth (Matthew Wilcox)
er ... I didn't say it was a problem. I said I couldn't tell if it was a
problem. There's no point in taking up an extra
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 vir
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