linux-kernel - Re: [EXT] Re: [PATCH] net: atlantic: fix ring buffer alignment

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Date:   Thu, 22 Jun 2023 07:49:52 +0200
From:   Igor Russkikh <irusskikh@...vell.com>
To:     Jakub Kicinski <kuba@...nel.org>,
        Simon Horman <simon.horman@...igine.com>
CC:     Arnd Bergmann <arnd@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, Arnd Bergmann <arnd@...db.de>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <llvm@...ts.linux.dev>
Subject: Re: [EXT] Re: [PATCH] net: atlantic: fix ring buffer alignment


Hi Jakub, Arnd,

> On Fri, 16 Jun 2023 15:10:03 +0200 Simon Horman wrote:
>> Perhaps it just me.  But I do have trouble reconciling the description
>> above with the structure below. As such, my suggest would be to simply
>> delete it.
> 
> Agreed that the comment is confusing seems to be incorrect post-change.
> Flags for instance are overlapped with len, is_gso etc. so they can't be
> a separate 8B at the end.
> 
> Igor, please advise how you want to proceed.

I do agree better to remove the comment at all - it explains almost nothing.

Thats not a hardware related structure, so explicit pack is for sure not required.

Acked-by: Igor Russkikh <irusskikh@...vell.com>

Regards,
  Igor