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authorYishai Hadas <yishaih@mellanox.com>2019-07-23 09:57:25 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-07-24 16:42:27 -0300
commit6a053953739d23694474a5f9c81d1a30093da81a (patch)
treed05c421661f3774fbe406f02fc2483ba11e643b0 /drivers/infiniband/hw/mlx5/mlx5_ib.h
parentRDMA/siw: Remove set but not used variables 'rv' (diff)
downloadlinux-dev-6a053953739d23694474a5f9c81d1a30093da81a.tar.xz
linux-dev-6a053953739d23694474a5f9c81d1a30093da81a.zip
IB/mlx5: Fix unreg_umr to ignore the mkey state
Fix unreg_umr to ignore the mkey state and do not fail if was freed. This prevents a case that a user space application already changed the mkey state to free and then the UMR operation will fail leaving the mkey in an inappropriate state. Link: https://lore.kernel.org/r/20190723065733.4899-3-leon@kernel.org Cc: <stable@vger.kernel.org> # 3.19 Fixes: 968e78dd9644 ("IB/mlx5: Enhance UMR support to allow partial page table update") Signed-off-by: Yishai Hadas <yishaih@mellanox.com> Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mlx5_ib.h')
-rw-r--r--drivers/infiniband/hw/mlx5/mlx5_ib.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index c482f19958b3..f6a53455bf8b 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -481,6 +481,7 @@ struct mlx5_umr_wr {
u64 length;
int access_flags;
u32 mkey;
+ u8 ignore_free_state:1;
};
static inline const struct mlx5_umr_wr *umr_wr(const struct ib_send_wr *wr)