** Also affects: ubuntu-z-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-z-systems
Status: New => Incomplete
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)
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https://bugs.launchpad.net/bugs/1894977
Title:
IBM-iobrick patches for Ubuntu 20.04
Status in Ubuntu on IBM z Systems:
Incomplete
Status in linux package in Ubuntu:
Incomplete
Bug description:
Hi,
The request is to backport
09689703d29a RDMA/mlx5: Do not race with mlx5_ib_invalidate_range during
create and destroy
with it the below list (divided to four sets) is required.
most of the patches applied cleanly above focal tree four exceptions.
1. 806b101b2bfa RDMA/mlx5: Use a dedicated mkey xarray for ODP
2. b91e1751fbce RDMA/mlx5: Simplify how the MR cache bucket is located
3. 1769c4c57548 RDMA/mlx5: Always remove MRs from the cache before destroying
them
4. b9358bdbc713 RDMA/mlx5: Fix locking in MR cache work queue
the rejected hunks need to be manually applied.
The rejected hunks are due to true<-->1 false<-->0 exchange added support for
wc (b9358bdbc713) and other minor reasons.
set 0: Unrelated code cleanups (needed for applying cleanly the mr cache
set)
https://patchwork.kernel.org/cover/11170991/
909624d8db5b IB/cm: Use container_of() instead of typecast
6f26b2ac699c IB/mlx5: Remove unnecessary else statement
2d67c0798821 IB/mlx5: Remove unnecessary return statement
4b2a67362e78 RDMA/mlx5: Group boolean parameters to take less space
set 1: Rework the locking and datastructures for mlx5 implicit ODP
https://patchwork.kernel.org/cover/11181509/
46870b2391d5 RDMA/odp: Remove broken debugging call to invalidate_range
09689703d29a RDMA/mlx5: Do not race with mlx5_ib_invalidate_range during
create and destroy
d561987f34f2 RDMA/mlx5: Do not store implicit children in the odp_mkeys
xarray
5256edcb98a1 RDMA/mlx5: Rework implicit ODP destroy
b70d785d237c RDMA/mlx5: Avoid double lookups on the pagefault path
3389baa831b6 RDMA/mlx5: Reduce locking in implicit_mr_get_data()
423f52d65005 RDMA/mlx5: Use an xarray for the children of an implicit ODP
54375e738295 RDMA/mlx5: Split implicit handling from pagefault_mr
9162420dde49 RDMA/mlx5: Set the HW IOVA of the child MRs to their place in
the tree
c2edcd69351f RDMA/mlx5: Lift implicit_mr_alloc() into the two routines that
call it
3d5f3c54e7bc RDMA/mlx5: Rework implicit_mr_get_data
74bddb3682f6 RDMA/mlx5: Delete struct mlx5_priv->mkey_table
806b101b2bfa RDMA/mlx5: Use a dedicated mkey xarray for ODP
50211ec9443f RDMA/mlx5: Split sig_err MR data into its own xarray
fb985e278a30 RDMA/mlx5: Use SRCU properly in ODP prefetch
set 2: Consolidate the mmu notifier interval_tree and locking (only first
two patches from this set)
https://patchwork.kernel.org/cover/11240081/
99cb252f5e68 mm/mmu_notifier: add an interval tree notifier
56f434f40f05 mm/mmu_notifier: define the header pre-processor parts even if
disabled
also needed for applying mr cache set cleanly.
03232cc43cff IB/mlx5: Introduce and use mkey context setting helper routine
set 3: MR cache fixes and refactoring
https://www.spinics.net/lists/linux-rdma/msg89706.html
aad719dcf379 RDMA/mlx5: Allow MRs to be created in the cache synchronously
1c78a21a0c6f RDMA/mlx5: Revise how the hysteresis scheme works for cache
filling
b9358bdbc713 RDMA/mlx5: Fix locking in MR cache work queue
ad2d3ef46d2a RDMA/mlx5: Lock access to ent->available_mrs/limit when doing
queue_work
a1d8854aae4e RDMA/mlx5: Fix MR cache size and limit debugfs
1769c4c57548 RDMA/mlx5: Always remove MRs from the cache before destroying
them
b91e1751fbce RDMA/mlx5: Simplify how the MR cache bucket is located
7c8691a396bd RDMA/mlx5: Rename the tracking variables for the MR cache
f743ff3b37df RDMA/mlx5: Replace spinlock protected write with atomic var
a3cfdd392811 {IB,net}/mlx5: Move asynchronous mkey creation to mlx5_ib
fc6a9f86f08a {IB,net}/mlx5: Assign mkey variant in mlx5_ib only
54c62e13ad76 {IB,net}/mlx5: Setup mkey variant before mr create command
invocation
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