linux-kernel - Re: [PATCH net-next v10 3/5] net: rnpgbe: Add basic mbx ops support

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Message-ID: <861c5b23-2d51-40b1-8363-67e666431251@linux.dev>
Date: Wed, 3 Sep 2025 13:43:02 +0100
From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
To: Yibo Dong <dong100@...se.com>
Cc: andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, horms@...nel.org, corbet@....net,
 gur.stavi@...wei.com, maddy@...ux.ibm.com, mpe@...erman.id.au,
 danishanwar@...com, lee@...ger.us, gongfan1@...wei.com, lorenzo@...nel.org,
 geert+renesas@...der.be, Parthiban.Veerasooran@...rochip.com,
 lukas.bulwahn@...hat.com, alexanderduyck@...com, richardcochran@...il.com,
 kees@...nel.org, gustavoars@...nel.org, rdunlap@...radead.org,
 netdev@...r.kernel.org, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH net-next v10 3/5] net: rnpgbe: Add basic mbx ops support

On 03/09/2025 12:12, Yibo Dong wrote:
> On Wed, Sep 03, 2025 at 11:53:17AM +0100, Vadim Fedorenko wrote:
>> On 03/09/2025 03:54, Dong Yibo wrote:
>>> Initialize basic mbx function.
>>>
>>> Signed-off-by: Dong Yibo <dong100@...se.com>
>>> ---
>>>    drivers/net/ethernet/mucse/rnpgbe/Makefile    |   3 +-
>>>    drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h    |  16 +
>>>    .../net/ethernet/mucse/rnpgbe/rnpgbe_chip.c   |   3 +
>>>    .../net/ethernet/mucse/rnpgbe/rnpgbe_mbx.c    | 393 ++++++++++++++++++
>>>    .../net/ethernet/mucse/rnpgbe/rnpgbe_mbx.h    |  25 ++
>>>    5 files changed, 439 insertions(+), 1 deletion(-)
>>>    create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_mbx.c
>>>    create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_mbx.h
>>>
>>> diff --git a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_chip.c b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_chip.c
>>> index 179621ea09f3..f38daef752a3 100644
>>> --- a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_chip.c
>>> +++ b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_chip.c
>>> @@ -1,8 +1,11 @@
>>>    // SPDX-License-Identifier: GPL-2.0
>>>    /* Copyright(c) 2020 - 2025 Mucse Corporation. */
>>> +#include <linux/string.h>
>>
>> I don't see a reason to have string.h included into rnpgbe_chip.c
>>
> 
> You are right, I should add it when it is used.
> 
>>> +
>>>    #include "rnpgbe.h"
>>>    #include "rnpgbe_hw.h"
>>> +#include "rnpgbe_mbx.h"
>>
>> I believe this part has to be done in the previous patch.
>> Please, be sure that the code can compile after every patch in the
>> patchset.
>>
> 
> You mean 'include "rnpgbe_mbx.h"'? But 'rnpgbe_mbx.h' is added in this patch.

Ok, so what's in rnpgbe_chip.c which needs rnpgbe_mbx.h to be included?
If the change is introduced later in patch 5, the move this include to
it as well.

> I had compiled every patch before submission for this series. And as you
> remind, I will keep check this in the future.
> 
> Thanks for your feedback.
>