Hi Dave, This patchset improves the mlx4_en driver resiliency, especially on systems with low memory. Upon a configuration change that requires the allocation of new resources, we first try to allocate, prior to destroying the current ones. Once it is successfully done, we release the old resources and attach the new ones. Otherwise, we stay with a functioning interface having the same old configuration.
This improvement became of greater significance after removing the use of vmap. Eugenia Emantayev (2): net/mlx4_en: Move filters cleanup to a proper location net/mlx4_en: Add resilience in low memory systems drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 54 +++++++----- drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 110 +++++++++++++++++++++--- drivers/net/ethernet/mellanox/mlx4/en_rx.c | 3 - drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 9 +- 4 files changed, 136 insertions(+), 40 deletions(-) -- 1.8.3.1
