linux-kernel - Re: [PATCH][next] net/mlx5e: Avoid a hundred -Wflex-array-member-not-at-end warnings

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Message-ID: <20250219174629.4791c1e9@kernel.org>
Date: Wed, 19 Feb 2025 17:46:29 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Tariq Toukan <ttoukan.linux@...il.com>
Cc: Andrew Lunn <andrew@...n.ch>, "Gustavo A. R. Silva"
 <gustavo@...eddedor.com>, "Gustavo A. R. Silva" <gustavoars@...nel.org>,
 Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>,
 Tariq Toukan <tariqt@...dia.com>, Andrew Lunn <andrew+netdev@...n.ch>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
 netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] net/mlx5e: Avoid a hundred
 -Wflex-array-member-not-at-end warnings

On Wed, 19 Feb 2025 14:14:35 +0200 Tariq Toukan wrote:
> On 18/02/2025 23:13, Jakub Kicinski wrote:
> > On Tue, 18 Feb 2025 17:53:14 +0200 Tariq Toukan wrote:  
> >> Maybe it wasn't clear enough.
> >> We prefer the original patch, and provided the Reviewed-by tag for it.  
> > 
> > Can you explain what do you mean by "cleaner"?
> > I like the alternative much more.  
> 
> Cleaner in the sense that it doesn't touch existing code in en_rx.c 
> (datapath), and has shorter dereferences for the inner umr_wqe fields, like:
> umr_wqe->ctrl
> vs.
> umr_wqe->hdr.ctrl

IMO that's minor, not sufficient to justify struct_group_tagged()