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    SubjectRe: [PATCH/RFC 0/7] iommu: fixes & extensions
    On Fri, Sep 02, 2011 at 01:32:29PM -0400, Ohad Ben-Cohen wrote:
    > 5 first patches are relatively small iommu fixes/cleanups.
    > 2 last patches are proposals for core iommu extensions:
    > - Add fault report mechanism, needed for recovery of remote processors
    > trying to access unmapped addresses.
    > - Add splitting of memory regions to pages in the iommu core itself
    > (according to hardware capabilities as advertised by the iommu drivers).
    > This is needed to prevent duplication of this logic by
    > the iommu users/drivers themselves.
    > The patches are based on Joerg's arm/omap branch.
    > Tested with OMAP3 (omap3isp) + OMAP4 (rpmsg/remoteproc).
    > Laurent Pinchart (1):
    > iommu/omap-iovmm: support non page-aligned buffers in iommu_vmap
    > Ohad Ben-Cohen (6):
    > iommu/omap: cleanup: remove a redundant 'return' statement
    > iommu/core: use the existing IS_ALIGNED macro
    > iommu/omap: ->unmap() should return order of unmapped page
    > iommu/msm: ->unmap() should return order of unmapped page
    > iommu/core: add fault reporting
    > iommu/core: split mapping to page sizes as supported by the hardware

    Ok, I applied 1-5 to their respective branches. Patch 6 needs some more
    discussion to make sure the interface is generally usable. Patch 7 seems
    to be a starting point for now. This definitly requires conversion of
    the other IOMMU drivers too.
    Please make individual patch-sets from patch 6 and 7 respectivly.


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