IB/qib: Fix comparison error with qperf compare/swap test
authorMike Marciniszyn <mike.marciniszyn@intel.com>
Tue, 14 Nov 2017 12:34:52 +0000 (04:34 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 22 Feb 2018 14:43:51 +0000 (15:43 +0100)
commit 87b3524cb5058fdc7c2afdb92bdb2e079661ddc4 upstream.

This failure exists with qib:

ver_rc_compare_swap:
mismatch, sequence 2, expected 123456789abcdef, got 0

The request builder was using the incorrect inlines to
build the request header resulting in incorrect data
in the atomic header.

Fix by using the appropriate inlines to create the request.

Fixes: 261a4351844b ("IB/qib,IB/hfi: Use core common header file")
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/infiniband/hw/qib/qib_rc.c

index c1523f9..e4d4f5c 100644 (file)
@@ -443,13 +443,13 @@ no_flow_control:
                                qp->s_state = OP(COMPARE_SWAP);
                                put_ib_ateth_swap(wqe->atomic_wr.swap,
                                                  &ohdr->u.atomic_eth);
-                               put_ib_ateth_swap(wqe->atomic_wr.compare_add,
-                                                 &ohdr->u.atomic_eth);
+                               put_ib_ateth_compare(wqe->atomic_wr.compare_add,
+                                                    &ohdr->u.atomic_eth);
                        } else {
                                qp->s_state = OP(FETCH_ADD);
                                put_ib_ateth_swap(wqe->atomic_wr.compare_add,
                                                  &ohdr->u.atomic_eth);
-                               put_ib_ateth_swap(0, &ohdr->u.atomic_eth);
+                               put_ib_ateth_compare(0, &ohdr->u.atomic_eth);
                        }
                        put_ib_ateth_vaddr(wqe->atomic_wr.remote_addr,
                                           &ohdr->u.atomic_eth);