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Commit 12d23a91 authored Nov 28, 2018 by Leon Romanovsky Committed by Doug Ledford Dec 03, 2018

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>

parent 60615210

drivers/infiniband/core/rdma_core.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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.

drivers/infiniband/core/uverbs_cmd.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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