Re: [PATCH v4 0/7] Convert the intel iommu driver to the dma-iommu api

[Lu Baolu]

Hi Tvrtko,

On 9/28/20 5:44 PM, Tvrtko Ursulin wrote:
> On 27/09/2020 07:34, Lu Baolu wrote:
> > Hi,
> >
> > The previous post of this series could be found here.
> >
> > https://lore.kernel.org/linux-iommu/20200912032200.11489-1-baolu.lu@xxxxxxxxxxxxxxx/ 
> >
> >
> > This version introduce a new patch [4/7] to fix an issue reported here.
> >
> > https://lore.kernel.org/linux-iommu/51a1baec-48d1-c0ac-181b-1fba92aa428d@xxxxxxxxxxxxxxx/ 
> >
> >
> > There aren't any other changes.
> >
> > Please help to test and review.
> >
> > Best regards,
> > baolu
> >
> > Lu Baolu (3):
> >    iommu: Add quirk for Intel graphic devices in map_sg
>
> Since I do have patches to fix i915 to handle this, do we want to 
> co-ordinate the two and avoid having to add this quirk and then later 
> remove it? Or you want to go the staged approach?

I have no preference. It depends on which patch goes first. Let the
maintainers help here.

Best regards,
baolu

> Regards,
>
> Tvrtko
>
> >    iommu/vt-d: Update domain geometry in iommu_ops.at(de)tach_dev
> >    iommu/vt-d: Cleanup after converting to dma-iommu ops
> >
> > Tom Murphy (4):
> >    iommu: Handle freelists when using deferred flushing in iommu drivers
> >    iommu: Add iommu_dma_free_cpu_cached_iovas()
> >    iommu: Allow the dma-iommu api to use bounce buffers
> >    iommu/vt-d: Convert intel iommu driver to the iommu ops
> >
> >   .../admin-guide/kernel-parameters.txt         |   5 -
> >   drivers/iommu/dma-iommu.c                     | 228 ++++-
> >   drivers/iommu/intel/Kconfig                   |   1 +
> >   drivers/iommu/intel/iommu.c                   | 901 +++---------------
> >   include/linux/dma-iommu.h                     |   8 +
> >   include/linux/iommu.h                         |   1 +
> >   6 files changed, 336 insertions(+), 808 deletions(-)