From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Eric Dumazet <edumazet@google.com>
Cc: Saeed Mahameed <saeedm@nvidia.com>,
netdev@vger.kernel.org, Tariq Toukan <tariqt@nvidia.com>,
Shay Drory <shayd@nvidia.com>, Moshe Shemesh <moshe@nvidia.com>
Subject: [net 05/17] net/mlx5: Drain health before unregistering devlink
Date: Wed, 24 May 2023 20:48:35 -0700 [thread overview]
Message-ID: <20230525034847.99268-6-saeed@kernel.org> (raw)
In-Reply-To: <20230525034847.99268-1-saeed@kernel.org>
From: Shay Drory <shayd@nvidia.com>
mlx5 health mechanism is using devlink APIs, which are using devlink
notify APIs. After the cited patch, using devlink notify APIs after
devlink is unregistered triggers a WARN_ON().
Hence, drain health WQ before devlink is unregistered.
Fixes: cf530217408e ("devlink: Notify users when objects are accessible")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
drivers/net/ethernet/mellanox/mlx5/core/main.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index a7eb65cd0bdd..2132a6510639 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1802,15 +1802,16 @@ static void remove_one(struct pci_dev *pdev)
struct devlink *devlink = priv_to_devlink(dev);
set_bit(MLX5_BREAK_FW_WAIT, &dev->intf_state);
- /* mlx5_drain_fw_reset() is using devlink APIs. Hence, we must drain
- * fw_reset before unregistering the devlink.
+ /* mlx5_drain_fw_reset() and mlx5_drain_health_wq() are using
+ * devlink notify APIs.
+ * Hence, we must drain them before unregistering the devlink.
*/
mlx5_drain_fw_reset(dev);
+ mlx5_drain_health_wq(dev);
devlink_unregister(devlink);
mlx5_sriov_disable(pdev);
mlx5_thermal_uninit(dev);
mlx5_crdump_disable(dev);
- mlx5_drain_health_wq(dev);
mlx5_uninit_one(dev);
mlx5_pci_close(dev);
mlx5_mdev_uninit(dev);
--
2.40.1
next prev parent reply other threads:[~2023-05-25 3:49 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-25 3:48 [pull request][net 00/17] mlx5 fixes 2023-05-24 Saeed Mahameed
2023-05-25 3:48 ` [net 01/17] net/mlx5e: Extract remaining tunnel encap code to dedicated file Saeed Mahameed
2023-05-26 4:30 ` patchwork-bot+netdevbpf
2023-05-25 3:48 ` [net 02/17] net/mlx5e: Prevent encap offload when neigh update is running Saeed Mahameed
2023-05-25 3:48 ` [net 03/17] net/mlx5e: Consider internal buffers size in port buffer calculations Saeed Mahameed
2023-05-25 3:48 ` [net 04/17] net/mlx5e: Do not update SBCM when prio2buffer command is invalid Saeed Mahameed
2023-05-25 3:48 ` Saeed Mahameed [this message]
2023-05-25 3:48 ` [net 06/17] net/mlx5: SF, Drain health before removing device Saeed Mahameed
2023-05-25 3:48 ` [net 07/17] net/mlx5: fw_tracer, Fix event handling Saeed Mahameed
2023-05-25 3:48 ` [net 08/17] net/mlx5e: Use query_special_contexts cmd only once per mdev Saeed Mahameed
2023-05-25 3:48 ` [net 09/17] net/mlx5: Fix post parse infra to only parse every action once Saeed Mahameed
2023-05-25 3:48 ` [net 10/17] net/mlx5e: Don't attach netdev profile while handling internal error Saeed Mahameed
2023-05-25 3:48 ` [net 11/17] net/mlx5e: Move Ethernet driver debugfs to profile init callback Saeed Mahameed
2023-05-25 3:48 ` [net 12/17] net/mlx5: DR, Add missing mutex init/destroy in pattern manager Saeed Mahameed
2023-05-25 3:48 ` [net 13/17] net/mlx5: Fix check for allocation failure in comp_irqs_request_pci() Saeed Mahameed
2023-05-25 3:48 ` [net 14/17] Documentation: net/mlx5: Wrap vnic reporter devlink commands in code blocks Saeed Mahameed
2023-05-25 3:48 ` [net 15/17] Documentation: net/mlx5: Use bullet and definition lists for vnic counters description Saeed Mahameed
2023-05-25 3:48 ` [net 16/17] Documentation: net/mlx5: Add blank line separator before numbered lists Saeed Mahameed
2023-05-25 3:48 ` [net 17/17] Documentation: net/mlx5: Wrap notes in admonition blocks Saeed Mahameed
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