diff options
| author |   Moni Shoua <monis@mellanox.com> | 2019-01-22 09:16:08 +0200 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2019-01-24 09:22:30 -0700 |
| commit | da6a496a34f2fdcab14362cdc5068aac385e7b47 (patch) | |
| tree | 5956a166fe0436d55d51d9fce3f59f0f846fd946 /drivers/infiniband/core/umem_odp.c | |
| parent | RDMA/iw_cxgb4: Drop __GFP_NOFAIL (diff) | |
| download | linux-dev-da6a496a34f2fdcab14362cdc5068aac385e7b47.tar.xz linux-dev-da6a496a34f2fdcab14362cdc5068aac385e7b47.zip | |
IB/mlx5: Ranges in implicit ODP MR inherit its write access
A sub-range in ODP implicit MR should take its write permission from the
MR and not be set always to allow.
Fixes: d07d1d70ce1a ("IB/umem: Update on demand page (ODP) support")
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>
Diffstat (limited to 'drivers/infiniband/core/umem_odp.c')
| -rw-r--r-- | drivers/infiniband/core/umem_odp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c index dc1d7cb15cfa..eb8a5eb65bfa 100644 --- a/drivers/infiniband/core/umem_odp.c +++ b/drivers/infiniband/core/umem_odp.c @@ -332,9 +332,10 @@ static void put_per_mm(struct ib_umem_odp *umem_odp) mmu_notifier_call_srcu(&per_mm->rcu, free_per_mm); } -struct ib_umem_odp *ib_alloc_odp_umem(struct ib_ucontext_per_mm *per_mm, +struct ib_umem_odp *ib_alloc_odp_umem(struct ib_umem_odp *root, unsigned long addr, size_t size) { + struct ib_ucontext_per_mm *per_mm = root->per_mm; struct ib_ucontext *ctx = per_mm->context; struct ib_umem_odp *odp_data; struct ib_umem *umem; @@ -349,7 +350,7 @@ struct ib_umem_odp *ib_alloc_odp_umem(struct ib_ucontext_per_mm *per_mm, umem->length = size; umem->address = addr; umem->page_shift = PAGE_SHIFT; - umem->writable = 1; + umem->writable = root->umem.writable; umem->is_odp = 1; odp_data->per_mm = per_mm; |