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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 2038589
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2038589
Title:
Backport DMABUF support from Upstream to Ubuntu Jammy
Status in linux package in Ubuntu:
Incomplete
Bug description:
DAMBUF is backported using the two series of patches:
First, we need the series of 3 patches at:
https://lore.kernel.org/all/20211012120903.96933-1-galpr...@amazon.com/
- dma-buf: Fix pin callback comment
- RDMA/umem: Allow pinned dmabuf umem usage
- RDMA/efa: Add support for dmabuf memory regions
Second, we need series of 4 patches at:
https://lore.kernel.org/all/0-v1-bd147097458e+ede-umem_dmabuf_...@nvidia.com/
Note: The changes made by first patch in series "net/mlx5: Add IFC
bits for mkey ATS" had already been there in Ubuntu jammy "master-
next"
- (Already there in jammy ) net/mlx5: Add IFC bits for mkey ATS
- RDMA/core: Add UVERBS_ATTR_RAW_FD
- RDMA/mlx5: Add support for dmabuf to devx umem
- RDMA/mlx5: Enable ATS support for MRs and umems
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