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Wed, 25 Mar 2026 12:00:17 -0700 From: Edward Srouji Date: Wed, 25 Mar 2026 21:00:01 +0200 Subject: [PATCH rdma-next 01/10] RDMA/mlx5: Remove DCT restrack tracking Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20260325-security-bug-fixes-v1-1-c8332981ad26@nvidia.com> References: <20260325-security-bug-fixes-v1-0-c8332981ad26@nvidia.com> In-Reply-To: <20260325-security-bug-fixes-v1-0-c8332981ad26@nvidia.com> To: Leon Romanovsky , Jason Gunthorpe , "Chiara Meiohas" , Dennis Dalessandro , Gal Pressman , Mark Bloch , Steve Wise , Mark Zhang , "Neta Ostrovsky" , Patrisious Haddad , "Doug Ledford" , Matan Barak , CC: , , "Edward Srouji" X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1774465211; l=1983; i=edwards@nvidia.com; s=20251029; h=from:subject:message-id; bh=JdRkUYRq0pIWwuMSpYFF7BClsUMppMUSBJcSiThyysk=; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 8WmAABdYjN1HNCwAHFtDUBHz7/CAlVgheQRyTu2K3eQiXSjIissi3ZFhNMDbg2VMMDazSEy3WwImeGdGx1Gb6gm4r7Ye7IPBBvlpVkZ72CQofpjw4PzFoUEpVMQh0HGNghKbGVBOPcgnanUhtq5Z7ILLXVNe0QGecBGl0MdWUT2QYVBbV6kVzddcRtTZUNcNZ8hz3a5a8KhScNtZJ7J52WWxzRmRPuaImcGOvwW+78ZaWLidpCL3EeALbtzDkpv3W3nHxF0zRflHybzVmAOoCtXQdfu7F6KzqpVnQornfCsKimC3rjmKz6feEvDDvfY5Bj3rCn803y+eA6/gfXpzpjhcnmybSKzm00cqF/Grwt+ngEoEfhczLzJZDA7TDVRsZQPEe6J/GIw5ADE+YsfdcYWmhNDYlBv+zV1p4vczvgcNwHlY54uWpdBN/wmK1ZR+ X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Mar 2026 19:00:51.4096 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a8a23212-81d2-4891-2c6f-08de8aa0d58b X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE33.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4126 From: Patrisious Haddad DCT restrack tracking wasn't working to begin with as it was only tracking the first DCT which was added, since at creation the DCT number isn't yet initialized because the DCT FW object is only created during modify. The following DCT additions were failing silently. Remove DCT tracking so a later patch which WARNS about restrack addition failures doesn't WARN about it. Fixes: fd3af5e21866 ("RDMA/mlx5: Track DCT, DCI and REG_UMR QPs as diver_de= tail resources.") Signed-off-by: Patrisious Haddad Reviewed-by: Chiara Meiohas Signed-off-by: Edward Srouji --- drivers/infiniband/hw/mlx5/qp.c | 1 + drivers/infiniband/hw/mlx5/restrack.c | 3 --- 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/q= p.c index 59f9ddb35d4620737980b2bc2179e0a11e6be29f..c54e7655763844b10943e12a704= 31da291c58b8a 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -3110,6 +3110,7 @@ static int create_qp(struct mlx5_ib_dev *dev, struct = ib_pd *pd, =20 switch (qp->type) { case MLX5_IB_QPT_DCT: + rdma_restrack_no_track(&qp->ibqp.res); err =3D create_dct(dev, pd, qp, params); break; case MLX5_IB_QPT_DCI: diff --git a/drivers/infiniband/hw/mlx5/restrack.c b/drivers/infiniband/hw/= mlx5/restrack.c index 67841922c7b8770c86fb5a47588e09560d0004f5..00a9bcb2603f0b094bcef8a4ffe= 6564699a85769 100644 --- a/drivers/infiniband/hw/mlx5/restrack.c +++ b/drivers/infiniband/hw/mlx5/restrack.c @@ -178,9 +178,6 @@ static int fill_res_qp_entry(struct sk_buff *msg, struc= t ib_qp *ibqp) ret =3D nla_put_string(msg, RDMA_NLDEV_ATTR_RES_SUBTYPE, "REG_UMR"); break; - case MLX5_IB_QPT_DCT: - ret =3D nla_put_string(msg, RDMA_NLDEV_ATTR_RES_SUBTYPE, "DCT"); - break; case MLX5_IB_QPT_DCI: ret =3D nla_put_string(msg, RDMA_NLDEV_ATTR_RES_SUBTYPE, "DCI"); break; --=20 2.49.0