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net/mlx5: Change lag mutex lock to spin lock
The lag lock could be a spin lock, the critical section is short and there is no need that the thread will sleep. Change the lock that protects the LAG structure from mutex to spin lock. It is required for next patch that need to access this structure from context that we can't sleep. In addition there is no need to hold this lock when query the congestion counters. Signed-off-by: Maor Gottlieb <maorg@mellanox.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Maor Gottlieb
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Saeed Mahameed
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May 1, 2020
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