diff mbox series

[net-next,2/4] net/mlx5: Lift reload limitation when SFs are present

Message ID 20230815145155.1946926-3-jiri@resnulli.us (mailing list archive)
State Deferred
Delegated to: Netdev Maintainers
Headers show
Series net/mlx5: expose peer SF devlink instance | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1330 this patch: 1330
netdev/cc_maintainers warning 1 maintainers not CCed: linux-rdma@vger.kernel.org
netdev/build_clang success Errors and warnings before: 1353 this patch: 1353
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1353 this patch: 1353
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 23 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Jiri Pirko Aug. 15, 2023, 2:51 p.m. UTC 
From: Jiri Pirko <jiri@nvidia.com>

Historically, the shared devlink_mutex prevented devlink instances from
being registered/unregistered during another devlink instance reload
operation. However, devlink_muxex is gone for some time now, this
limitation is no longer needed. Lift it.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/devlink.c | 11 -----------
 1 file changed, 11 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index 3d82ec890666..6eea65686c14 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -138,7 +138,6 @@  static int mlx5_devlink_reload_down(struct devlink *devlink, bool netns_change,
 {
 	struct mlx5_core_dev *dev = devlink_priv(devlink);
 	struct pci_dev *pdev = dev->pdev;
-	bool sf_dev_allocated;
 	int ret = 0;
 
 	if (mlx5_dev_is_lightweight(dev)) {
@@ -148,16 +147,6 @@  static int mlx5_devlink_reload_down(struct devlink *devlink, bool netns_change,
 		return 0;
 	}
 
-	sf_dev_allocated = mlx5_sf_dev_allocated(dev);
-	if (sf_dev_allocated) {
-		/* Reload results in deleting SF device which further results in
-		 * unregistering devlink instance while holding devlink_mutext.
-		 * Hence, do not support reload.
-		 */
-		NL_SET_ERR_MSG_MOD(extack, "reload is unsupported when SFs are allocated");
-		return -EOPNOTSUPP;
-	}
-
 	if (mlx5_lag_is_active(dev)) {
 		NL_SET_ERR_MSG_MOD(extack, "reload is unsupported in Lag mode");
 		return -EOPNOTSUPP;