Merge tag 'vfio-v6.0-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson: - Cleanup use of extern in function prototypes (Alex Williamson) - Simplify bus_type usage and convert to device IOMMU interfaces (Robin Murphy) - Check missed return value and fix comment typos (Bo Liu) - Split migration ops from device ops and fix races in mlx5 migration support (Yishai Hadas) - Fix missed return value check in noiommu support (Liam Ni) - Hardening to clear buffer pointer to avoid use-after-free (Schspa Shi) - Remove requirement that only the same mm can unmap a previously mapped range (Li Zhe) - Adjust semaphore release vs device open counter (Yi Liu) - Remove unused arg from SPAPR support code (Deming Wang) - Rework vfio-ccw driver to better fit new mdev framework (Eric Farman, Michael Kawano) - Replace DMA unmap notifier with callbacks (Jason Gunthorpe) - Clarify SPAPR support comment relative to iommu_ops (Alexey Kardashevskiy) - Revise page pinning API towards compatibility with future iommufd support (Nicolin Chen) - Resolve issues in vfio-ccw, including use of DMA unmap callback (Eric Farman) * tag 'vfio-v6.0-rc1' of https://github.com/awilliam/linux-vfio: (40 commits) vfio/pci: fix the wrong word vfio/ccw: Check return code from subchannel quiesce vfio/ccw: Remove FSM Close from remove handlers vfio/ccw: Add length to DMA_UNMAP checks vfio: Replace phys_pfn with pages for vfio_pin_pages() vfio/ccw: Add kmap_local_page() for memcpy vfio: Rename user_iova of vfio_dma_rw() vfio/ccw: Change pa_pfn list to pa_iova list vfio/ap: Change saved_pfn to saved_iova vfio: Pass in starting IOVA to vfio_pin/unpin_pages API vfio/ccw: Only pass in contiguous pages vfio/ap: Pass in physical address of ind to ap_aqic() drm/i915/gvt: Replace roundup with DIV_ROUND_UP vfio: Make vfio_unpin_pages() return void vfio/spapr_tce: Fix the comment vfio: Replace the iommu notifier with a device list vfio: Replace the DMA unmapping notifier with a callback vfio/ccw: Move FSM open/close to MDEV open/close vfio/ccw: Refactor vfio_ccw_mdev_reset vfio/ccw: Create a CLOSE FSM event ...
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