From 7095ec3ca00eba04553d4c323dc9dd160219dd68 Mon Sep 17 00:00:00 2001
From: Moni Shoua <monis@mellanox.com>
Date: Mon, 25 Feb 2019 08:53:00 +0200
Subject: [PATCH 1/1] IB/mlx5: Set correct write permissions for implicit ODP
Git-commit: 7095ec3ca00eba04553d4c323dc9dd160219dd68
Patch-mainline: v5.1
References: bsc#1111666
MR
The write access of an implicit MR is inherited to all of its children.
Therefore we must set the correct write access to the parent MR.
Pass full access_flags when creating umem to let it calculate write access
correctly.
Fixes: da6a496a34f2 ("IB/mlx5: Ranges in implicit ODP MR inherit its write access")
Signed-off-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.com>
---
drivers/infiniband/hw/mlx5/odp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index d828c20af38c..c20bfc41ecf1 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -522,7 +522,7 @@ struct mlx5_ib_mr *mlx5_ib_alloc_implicit_mr(struct mlx5_ib_pd *pd,
struct mlx5_ib_mr *imr;
struct ib_umem *umem;
- umem = ib_umem_get(ctx, 0, 0, IB_ACCESS_ON_DEMAND, 0);
+ umem = ib_umem_get(ctx, 0, 0, access_flags, 0);
if (IS_ERR(umem))
return ERR_CAST(umem);
--
2.29.2