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RDMA/uverbs: Get rid of ucontext->tgid 

Nothing uses this now, just delete it.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Jason Gunthorpe 2018-09-16 20:48:12 +03:00 committed by Doug Ledford
parent 56ac9dd917
commit 2a3ccfdbeb
3 changed files with 0 additions and 6 deletions
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1
drivers/infiniband/core/rdma_core.c
View File

@ -816,7 +816,6 @@ static void ufile_destroy_ucontext(struct ib_uverbs_file *ufile,
ib_dev->disassociate_ucontext(ucontext);
}
put_pid(ucontext->tgid);
ib_rdmacg_uncharge(&ucontext->cg_obj, ib_dev,
RDMACG_RESOURCE_HCA_HANDLE);

4
drivers/infiniband/core/uverbs_cmd.c
View File

@ -117,9 +117,6 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file,
/* ufile is required when some objects are released */
ucontext->ufile = file;
rcu_read_lock();
ucontext->tgid = get_task_pid(current->group_leader, PIDTYPE_PID);
rcu_read_unlock();
ucontext->closing = false;
ucontext->cleanup_retryable = false;
@ -169,7 +166,6 @@ err_fd:
put_unused_fd(resp.async_fd);
err_free:
put_pid(ucontext->tgid);
ib_dev->dealloc_ucontext(ucontext);
err_alloc:

1
include/rdma/ib_verbs.h
View File

@ -1500,7 +1500,6 @@ struct ib_ucontext {
bool cleanup_retryable;
struct pid *tgid;
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
void (*invalidate_range)(struct ib_umem_odp *umem_odp,
unsigned long start, unsigned long end);