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

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Add restrack annotations to track allocations of ucontexts.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Leon Romanovsky 2018-11-28 13:16:44 +02:00 committed by Doug Ledford
parent 606152107b
commit 12d23a9198
2 changed files with 5 additions and 0 deletions
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2
drivers/infiniband/core/rdma_core.c
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@ -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.

3
drivers/infiniband/core/uverbs_cmd.c
View File

@ -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