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authorShamir Rabinovitch <shamir.rabinovitch@oracle.com>2018-12-17 17:15:18 +0200
committerJason Gunthorpe <jgg@mellanox.com>2018-12-18 19:15:48 -0700
commite00b64f7c54c4cbd88143bbd43e7c3d61a090e5c (patch)
tree0a66b1a1dcef10b5a943ee7b99371f471e6003af /drivers/infiniband/sw/rxe
parentRDMA/restrack: Resource-tracker should not use uobject pointers (diff)
downloadlinux-dev-e00b64f7c54c4cbd88143bbd43e7c3d61a090e5c.tar.xz
linux-dev-e00b64f7c54c4cbd88143bbd43e7c3d61a090e5c.zip
RDMA: Cleanup undesired pd->uobject usage
Drivers should be using udata to determine if a method is invoked from user space or kernel space. A pd does not necessarily say a different objects is kernel or user. Transforming the tests to use udata eliminates a large number of uobject references from the drivers. Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to '')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_loc.h2
-rw-r--r--drivers/infiniband/sw/rxe/rxe_qp.c5
-rw-r--r--drivers/infiniband/sw/rxe/rxe_verbs.c2
3 files changed, 5 insertions, 4 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h
index a675c9f2b427..01b74597b36a 100644
--- a/drivers/infiniband/sw/rxe/rxe_loc.h
+++ b/drivers/infiniband/sw/rxe/rxe_loc.h
@@ -157,7 +157,7 @@ int rxe_qp_chk_init(struct rxe_dev *rxe, struct ib_qp_init_attr *init);
int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd,
struct ib_qp_init_attr *init,
struct rxe_create_qp_resp __user *uresp,
- struct ib_pd *ibpd);
+ struct ib_pd *ibpd, struct ib_udata *udata);
int rxe_qp_to_init(struct rxe_qp *qp, struct ib_qp_init_attr *init);
diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c
index 2ca4ffe5015f..fd86fd2fbb26 100644
--- a/drivers/infiniband/sw/rxe/rxe_qp.c
+++ b/drivers/infiniband/sw/rxe/rxe_qp.c
@@ -336,13 +336,14 @@ static int rxe_qp_init_resp(struct rxe_dev *rxe, struct rxe_qp *qp,
int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd,
struct ib_qp_init_attr *init,
struct rxe_create_qp_resp __user *uresp,
- struct ib_pd *ibpd)
+ struct ib_pd *ibpd,
+ struct ib_udata *udata)
{
int err;
struct rxe_cq *rcq = to_rcq(init->recv_cq);
struct rxe_cq *scq = to_rcq(init->send_cq);
struct rxe_srq *srq = init->srq ? to_rsrq(init->srq) : NULL;
- struct ib_ucontext *context = ibpd->uobject ? ibpd->uobject->context : NULL;
+ struct ib_ucontext *context = udata ? ibpd->uobject->context : NULL;
rxe_add_ref(pd);
rxe_add_ref(rcq);
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index ecd0824b7eac..8d15b1e11a2f 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -486,7 +486,7 @@ static struct ib_qp *rxe_create_qp(struct ib_pd *ibpd,
rxe_add_index(qp);
- err = rxe_qp_from_init(rxe, qp, pd, init, uresp, ibpd);
+ err = rxe_qp_from_init(rxe, qp, pd, init, uresp, ibpd, udata);
if (err)
goto err3;