RDMA/uverbs: Annotate alloc/deallloc paths with context tracking

Add restrack annotations to track allocations of ucontexts.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/core/rdma_core.c b/drivers/infiniband/core/rdma_core.c
index efa2924..54d4e15 100644 (file)
--- a/drivers/infiniband/core/rdma_core.c
+++ b/drivers/infiniband/core/rdma_core.c
@@ -820,6 +820,8 @@ static void ufile_destroy_ucontext(struct ib_uverbs_file *ufile,
        ib_rdmacg_uncharge(&ucontext->cg_obj, ib_dev,
                           RDMACG_RESOURCE_HCA_HANDLE);
 
+       rdma_restrack_del(&ucontext->res);
+
        /*
         * FIXME: Drivers are not permitted to fail dealloc_ucontext, remove
         * the error return.

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 4dab9f7..b707495 100644 (file)
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -259,6 +259,9 @@ static int ib_uverbs_get_context(struct uverbs_attr_bundle *attrs)
 
        fd_install(resp.async_fd, filp);
 
+       ucontext->res.type = RDMA_RESTRACK_CTX;
+       rdma_restrack_add(&ucontext->res);
+
        /*
         * Make sure that ib_uverbs_get_ucontext() sees the pointer update
         * only after all writes to setup the ucontext have completed