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RDMA/mlx5: Uncacheable mkey has neither rb_key or cache_ent 

JIRA: https://issues.redhat.com/browse/RHEL-45365
Upstream-status: v6.10-rc1

commit 0611a8e8b475fc5230b9a24d29c8397aaab20b63
Author: Or Har-Toov <ohartoov@nvidia.com>
Date:   Wed Apr 3 13:35:59 2024 +0300

    RDMA/mlx5: Uncacheable mkey has neither rb_key or cache_ent

    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: dd1b913fb0d0 ("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: Benjamin Poirier <bpoirier@redhat.com>
This commit is contained in:
Benjamin Poirier 2024-08-07 09:20:55 -04:00
parent b90fc51903
commit ef5b55a3ba
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/mlx5/mlx5_ib.h
View File

@ -639,7 +639,7 @@ 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;
};