Re: implement generic dma_map_ops for IOMMUs v5

2019-05-27 Thread Joerg Roedel
On Mon, May 27, 2019 at 05:38:29PM +0200, Christoph Hellwig wrote:
> On Mon, May 27, 2019 at 05:37:51PM +0200, Joerg Roedel wrote:
> > I applied this series to a new generic-dma-ops branch in the iommu
> > tree and plan to send it upstream in the next merge window.
> 
> Thanks!  Can you push the branch out ASAP, as I'll need to pull it
> into the dma-mapping tree to avoid creating nasty conflicts for the
> pending rework of the DMA CMA and contigous allocators?

Done, pushed this one branch. Have a lot of fun!


Joerg


Re: implement generic dma_map_ops for IOMMUs v5

2019-05-27 Thread Christoph Hellwig
On Mon, May 27, 2019 at 05:37:51PM +0200, Joerg Roedel wrote:
> I applied this series to a new generic-dma-ops branch in the iommu
> tree and plan to send it upstream in the next merge window.

Thanks!  Can you push the branch out ASAP, as I'll need to pull it
into the dma-mapping tree to avoid creating nasty conflicts for the
pending rework of the DMA CMA and contigous allocators?


Re: implement generic dma_map_ops for IOMMUs v5

2019-05-27 Thread Joerg Roedel
Hi Christoph, Hi Robin,

On Mon, May 20, 2019 at 09:29:24AM +0200, Christoph Hellwig wrote:
> I think we are finally ready for the generic dma-iommu series.  I have
> various DMA API changes pending, and Tom has patches ready to convert
> the AMD and Intel iommu drivers over to it.  I'd love to have this
> in a stable branch shared between the dma-mapping and iommu trees
> the day after rc2 is released.  I volunteer to create the branch,
> but I'm fine with it living in the iommu tree as well.  Before that
> Will has already said he wants to send the first patch in the series
> to Linus for this merge window.

First a big "THANK YOU" for working on this and getting it ready. It is
an important step towards generic dma-ops for all iommu drivers,
something I wished to have for years and planned to work on myself, but
didn't find the time.

I applied this series to a new generic-dma-ops branch in the iommu
tree and plan to send it upstream in the next merge window.

Thanks again,

   Joerg


implement generic dma_map_ops for IOMMUs v5

2019-05-20 Thread Christoph Hellwig
Hi Robin and Joerg,

I think we are finally ready for the generic dma-iommu series.  I have
various DMA API changes pending, and Tom has patches ready to convert
the AMD and Intel iommu drivers over to it.  I'd love to have this
in a stable branch shared between the dma-mapping and iommu trees
the day after rc2 is released.  I volunteer to create the branch,
but I'm fine with it living in the iommu tree as well.  Before that
Will has already said he wants to send the first patch in the series
to Linus for this merge window.


A git tree is also available at:

git://git.infradead.org/users/hch/misc.git dma-iommu-ops.5

Gitweb:


http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dma-iommu-ops.5

Changes since v4:
 - rebased to 5.2-rc1

Changes since v3:
 - fold the separate patch to refactor mmap bounds checking
 - don't warn on not finding a vm_area
 - improve a commit log
 - refactor __dma_iommu_free a little differently
 - remove a minor MSI map cleanup to avoid a conflict with the
   "Split iommu_dma_map_msi_msg" series

Changes since v2:
 - address various review comments and include patches from Robin

Changes since v1:
 - only include other headers in dma-iommu.h if CONFIG_DMA_IOMMU is enabled
 - keep using a scatterlist in iommu_dma_alloc
 - split out mmap/sgtable fixes and move them early in the series
 - updated a few commit logs
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