diff options
| author |   Jason Gunthorpe <jgg@mellanox.com> | 2018-09-16 20:48:07 +0300 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2018-09-21 11:54:46 -0400 |
| commit | c9990ab39b6e911003bab10a6da96e98ab1503a3 (patch) | |
| tree | 9a58cb3f9c74089b3e022d5dc89d808f8bf9bb2c /drivers/infiniband/core/uverbs_cmd.c | |
| parent | RDMA/umem: Get rid of struct ib_umem.odp_data (diff) | |
| download | linux-dev-c9990ab39b6e911003bab10a6da96e98ab1503a3.tar.xz linux-dev-c9990ab39b6e911003bab10a6da96e98ab1503a3.zip | |
RDMA/umem: Move all the ODP related stuff out of ucontext and into per_mm
This is the first step to make ODP use the owning_mm that is now part of
struct ib_umem.
Each ODP umem is linked to a single per_mm structure, which in turn, is
linked to a single mm, via the embedded mmu_notifier. This first patch
introduces the structure and reworks eveything to use it.
This also needs to introduce tgid into the ib_ucontext_per_mm, as
get_user_pages_remote() requires the originating task for statistics
tracking.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core/uverbs_cmd.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 9c87c98a0f19..ce678e1008a4 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -124,10 +124,11 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file, ucontext->cleanup_retryable = false; #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING - ucontext->umem_tree = RB_ROOT_CACHED; - init_rwsem(&ucontext->umem_rwsem); - ucontext->odp_mrs_count = 0; - INIT_LIST_HEAD(&ucontext->no_private_counters); + ucontext->per_mm.umem_tree = RB_ROOT_CACHED; + init_rwsem(&ucontext->per_mm.umem_rwsem); + ucontext->per_mm.odp_mrs_count = 0; + INIT_LIST_HEAD(&ucontext->per_mm.no_private_counters); + ucontext->per_mm.context = ucontext; if (!(ib_dev->attrs.device_cap_flags & IB_DEVICE_ON_DEMAND_PAGING)) ucontext->invalidate_range = NULL; |