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RDMA/mlx5: Uncacheable mkey has neither rb_key or cache_ent

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[ Upstream commit 0611a8e8b4 ]

As some mkeys can't be modified with UMR due to some UMR limitations,
like the size of translation that can be updated, not all user mkeys can
be cached.

Fixes: dd1b913fb0 ("RDMA/mlx5: Cache all user cacheable mkeys on dereg MR flow")
Signed-off-by: Or Har-Toov <ohartoov@nvidia.com>
Link: https://lore.kernel.org/r/f2742dd934ed73b2d32c66afb8e91b823063880c.1712140377.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Or Har-Toov 2024-04-03 13:35:59 +03:00 committed by Greg Kroah-Hartman
parent 73c5f64cfa
commit 5880d8ca57
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/mlx5/mlx5_ib.h
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@ -643,7 +643,7 @@ struct mlx5_ib_mkey {
unsigned int ndescs;
struct wait_queue_head wait;
refcount_t usecount;
/* User Mkey must hold either a rb_key or a cache_ent. */
/* Cacheable user Mkey must hold either a rb_key or a cache_ent. */
struct mlx5r_cache_rb_key rb_key;
struct mlx5_cache_ent *cache_ent;
};