linux-kernel - Re: [PATCH v4] IB/hfi1: allocate dummy net

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Date: Mon, 1 Apr 2024 14:53:31 +0300
From: Leon Romanovsky <leon@...nel.org>
To: Jakub Kicinski <kuba@...nel.org>, Breno Leitao <leitao@...ian.org>
Cc: Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
	Jason Gunthorpe <jgg@...pe.ca>, keescook@...omium.org,
	"open list:HFI1 DRIVER" <linux-rdma@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4] IB/hfi1: allocate dummy net_device dynamically

On Tue, Mar 19, 2024 at 02:09:43AM -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/
> 
> Signed-off-by: Breno Leitao <leitao@...ian.org>
> Acked-by: Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>

Jakub,

I create shared branch for you, please pull it from:
https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/log/?h=remove-dummy-netdev

Thanks