Re: [PATCH net-next] IB/hfi1: allocate dummy net_device dynamically

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On Fri, Apr 26, 2024 at 01:56:05AM -0700, Breno Leitao wrote:
> Embedding net_device into structures prohibits the usage of flexible
> arrays in the net_device structure. For more details, see the discussion
> at [1].
> 
> Un-embed the net_device from struct hfi1_netdev_rx by converting it
> into a pointer. Then use the leverage alloc_netdev() to allocate the
> net_device object at hfi1_alloc_rx().
> 
> [1] https://lore.kernel.org/all/20240229225910.79e224cf@xxxxxxxxxx/
> 
> Acked-by: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Breno Leitao <leitao@xxxxxxxxxx>
> ---
> Changelog
> 
> v5:
> 	* Basically replaced the old alloc_netdev() by the new helper
> 	  alloc_netdev_dummy().
> v4:
> 	* Fix the changelog format
> v3:
> 	* Re-worded the comment, by removing the first paragraph.
> v2:
> 	* Free struct hfi1_netdev_rx allocation if alloc_netdev() fails
> 	* Pass zero as the private size for alloc_netdev().
> 	* Remove wrong reference for iwl in the comments
> ---
> 
>  drivers/infiniband/hw/hfi1/netdev.h    | 2 +-
>  drivers/infiniband/hw/hfi1/netdev_rx.c | 9 +++++++--
>  2 files changed, 8 insertions(+), 3 deletions(-)

Dennis,

Do you plan to send anything to rdma-next which can potentially create
conflicts with netdev in this cycle?

If not, it will be safe to apply this patch directly to net-next.

Thanks




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