linux-kernel - Re: [PATCH v3 1/1] RDMA/rxe: Avoid -Wflex-array-member-not-at-end warnings

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Message-ID: <e6650ddc-7d9c-47ad-b24d-d6806f958648@linux.dev>
Date: Tue, 23 Dec 2025 08:02:01 -0800
From: Zhu Yanjun <yanjun.zhu@...ux.dev>
To: "Gustavo A. R. Silva" <gustavo@...eddedor.com>, zyjzyj2000@...il.com,
 jgg@...pe.ca, leon@...nel.org, linux-rdma@...r.kernel.org,
 linux-kernel@...r.kernel.org
Cc: "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: Re: [PATCH v3 1/1] RDMA/rxe: Avoid -Wflex-array-member-not-at-end
 warnings

在 2025/12/23 1:28, Gustavo A. R. Silva 写道:
> 
> 
> On 12/23/25 15:46, Zhu Yanjun wrote:
>>
>> 在 2025/12/22 21:54, Gustavo A. R. Silva 写道:
>>>
>>>
>>> On 12/23/25 14:44, Zhu Yanjun wrote:
>>>>
>>>> 在 2025/12/22 21:34, Gustavo A. R. Silva 写道:
>>>>>
>>>>>>>>>> V2->V3: Replace struct ib_sge with struct rxe_sge
>>>>>>>>>
>>>>>>>>> What are you doing?
>>>>>>>>
>>>>>>>> Because struct rxe_sge differs from struct ib_sge, I aligned it 
>>>>>>>> to use the same structure.
>>>>>>>
>>>>>>> Listen, this is not how things are done upstream. Read what I 
>>>>>>> previously commented:
>>>>>>>
>>>>>>>>> You're making a mess of this whole thing. Please, don't make 
>>>>>>>>> changes
>>>>>>>>> to my patches on your own.
>>>>>>>
>>>>>>> and please, learn how to properly submit patch series.
>>>>>>>
>>>>>>> Lastly, do the changes that you want/need to implement in your 
>>>>>>> code, and don't
>>>>>>> submit my patch as part of those changes again.
>>>>>>
>>>>>> You can correct this patch by yourself.
>>>>>
>>>>> https://lore.kernel.org/linux-hardening/ad8987ae-b7fe-47af- 
>>>>> a1d2-5055749011c0@...eddedor.com/
>>>>
>>>> You need to do some changes in your commit.
>>>
>>> This is what you haven't understood yet. If the original code is 
>>> wrong (e.g. is
>>> currently using struct ib_sge instead of struct rxe_sge or the other 
>>> way around),
>>> then _that_ code should be fixed _first_, regardless of any other 
>>> patch that might
>>> be applied on top of it.
>>
>> Your commit should align the 2 structs.
> 
> No. It should not. To understand why, read my previous responses.

There is something wrong in your commit. Please correct it. I have 
already pointed it out.

Yanjun.Zhu
> 
> -Gustavo
>