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![]() As part of the flows invoked by mlx5_devlink_eswitch_mode_set() get to mlx5_rescan_drivers_locked() which can call mlx5e_probe()/mlx5e_remove and register/unregister mlx5e driver ports accordingly. This can lead to deadlock once mlx5_devlink_eswitch_mode_set() will use devlink lock. Use devl_port_register/unregister() instead of devlink_port_register/unregister() and add devlink instance locks in the driver paths to this function to have it locked while calling devl_ API function. If remove or probe were called by module init or module cleanup flows, need to lock devlink just before calling devl_port_register(), otherwise it is called by attach/detach or register/unregister flow and we can have the flow locked. Added flag to distinguish between these cases. This will be used by the downstream patch to invoke mlx5_devlink_eswitch_mode_set() with devlink locked. Signed-off-by: Moshe Shemesh <moshe@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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.. | ||
cq.h | ||
device.h | ||
doorbell.h | ||
driver.h | ||
eq.h | ||
eswitch.h | ||
fs.h | ||
fs_helpers.h | ||
mlx5_ifc.h | ||
mlx5_ifc_fpga.h | ||
mlx5_ifc_vdpa.h | ||
mpfs.h | ||
port.h | ||
qp.h | ||
rsc_dump.h | ||
transobj.h | ||
vport.h |