Re: [PATCH v5 rdma-next 0/6] RDMA/mlx5: Switch MR cache to use RB-tree

[Jason Gunthorpe <jgg@nvidia.com>]

On Thu, Jan 26, 2023 at 12:28:01AM +0200, Michael Guralnik wrote:
> This series moves the MR cache to use RB tree to store the entries of the
> cache. By doing so, enabling more flexibility when managing the cache
> entries.
> 
> The MR cache will now cache mkeys returned by the user even if they are
> not from one of the predefined pools, by that allowing restarting
> applications to reuse their released mkey and improve restart times.
> 
> v4->v5:
> - Commit message fix: 'Remove implicit ODP' instead of 'explicit'
> - Fix return value of init function in case of no ODP in configuration
> 
> v3->v4:
> - remove 'change-id' and 'issue' git trailers
> 
> v2->v3:
> - Refactor MR cache init flow
> - Move rb_key decleration to rome unnecessary change in following
>   patches
> 
> v1->v2:
> - Rearrange patch order to first introduce the RB-tree and only then
>   introduce the caching of previously non-cachable mkeys
> 
> v0->v1:
> - Fix rb tree search from memcmp to dedicated cmp function
> - Rewording of some commit messages
> 
> Aharon Landau (2):
>   RDMA/mlx5: Don't keep umrable 'page_shift' in cache entries
>   RDMA/mlx5: Remove explicit ODP cache entry
> 
> Michael Guralnik (4):
>   RDMA/mlx5: Change the cache structure to an RB-tree
>   RDMA/mlx5: Introduce mlx5r_cache_rb_key
>   RDMA/mlx5: Cache all user cacheable mkeys on dereg MR flow
>   RDMA/mlx5: Add work to remove temporary entries from the cache

Applied to for-next

Thanks,
Jason