Backport DMABUF support from Upstream to Ubuntu Jammy
Bug #2038589 reported by
Tushar Dave
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Expired
|
Undecided
|
Unassigned |
Bug Description
DAMBUF is backported using the two series of patches:
First, we need the series of 3 patches at:
https://<email address hidden>/
- 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://<email address hidden>/
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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This bug is missing log files that will aid in diagnosing the problem. 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'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.