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Multiple TLS device-offloaded contexts can be added in parallel via concurrent calls to .tls_dev_add, while calls to .tls_dev_del are sequential in tls_device_gc_task. This is not a sustainable behavior. This creates a rate gap between add and del operations (addition rate outperforms the deletion rate). When running for enough time, the TLS device resources could get exhausted, failing to offload new connections. Replace the single-threaded garbage collector work with a per-context alternative, so they can be handled on several cores in parallel. Use a new dedicated destruct workqueue for this. Tested with mlx5 device: Before: 22141 add/sec, 103 del/sec After: 11684 add/sec, 11684 del/sec Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Reviewed-by: Maxim Mikityanskiy <maximmi@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| linux | ||
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