[PATCH v4 00/23] iommu: Further abstract iommu-pages

[Jason Gunthorpe]

On Thu, Apr 17, 2025 at 04:25:29PM +0200, Joerg Roedel wrote:
> > Jason Gunthorpe (23):
> >   iommu/terga: Do not use struct page as the handle for as->pd memory
> >   iommu/tegra: Do not use struct page as the handle for pts
> >   iommu/pages: Remove __iommu_alloc_pages()/__iommu_free_pages()
> >   iommu/pages: Make iommu_put_pages_list() work with high order
> >     allocations
> >   iommu/pages: Remove the order argument to iommu_free_pages()
> >   iommu/pages: Remove iommu_free_page()
> >   iommu/pages: De-inline the substantial functions
> >   iommu/pages: Formalize the freelist API
> >   iommu/riscv: Convert to use struct iommu_pages_list
> >   iommu/amd: Convert to use struct iommu_pages_list
> >   iommu: Change iommu_iotlb_gather to use iommu_page_list
> >   iommu/pages: Remove iommu_put_pages_list_old and the _Generic
> >   iommu/pages: Move from struct page to struct ioptdesc and folio
> >   iommu/pages: Move the __GFP_HIGHMEM checks into the common code
> >   iommu/pages: Allow sub page sizes to be passed into the allocator
> >   iommu/amd: Change rlookup, irq_lookup, and alias to use kvalloc()
> >   iommu/amd: Use roundup_pow_two() instead of get_order()
> >   iommu/riscv: Update to use iommu_alloc_pages_node_lg2()
> >   iommu: Update various drivers to pass in lg2sz instead of order to
> >     iommu pages
> >   iommu/pages: Remove iommu_alloc_page/pages()
> >   iommu/pages: Remove iommu_alloc_page_node()
> >   iommu/amd: Use iommu_alloc_pages_node_sz() for the IRT
> >   iommu/vtd: Remove iommu_alloc_pages_node()
> 
> Applied to the new iommu-pages branch. I think this has the potential to
> become a conflict nightmare, let's see how it goes in this cycle.

I haven't had much trouble rebasing it, so fingers crossed, thanks

Jason