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SubjectRe: [PATCH net-next] IB/hfi1: allocate dummy net_device dynamically
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@kernel.org/
>
> Acked-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
> Signed-off-by: Breno Leitao <leitao@debian.org>
> ---
> 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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